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Materials (General) Expert Witnesses

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Albert L. DeBonis, PhD
PO Box 1322
Millbrook NY 12545
USA
phone: 845-677-3091
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Albert L. DeBonis, PhD, specializes in Wood Science Technology. His focus is on the evaluation, assessment and testing in virtually every aspect of wood science and wood construction technology across the United States and Internationally.

Dr. DeBonis served as the manger of the Engineering Research and Development for the Western Wood Products Association (WWPA) and taught at the Virginia Polytechnic Institute and State University Department of Forest Products. He has carried out both basic and applied research over the years on many products, but his current focus is on the proper use of wood products in construction.

Litigation Support - Dr. DeBonis provides forensic investigations, failure analyses, research and development, and provide expert witness testimony in a wide variety of legal cases. He has provided technical support on projects ranging from construction problems in single family dwellings to national class action product liability suits. Dr. DeBonis has investigated products failures such:
  • Hardboard / Composite Wood Sidings
  • Fire Retardant Lumber and Plywood
  • Structural Lumber
  • Trusses
  • Scaffold Systems
  • Ladders
  • In Situ Lumber Grading
  • Lumber & Wood Products
  • Partial and Complete Building Collapses
  • Moisture Intrusion Problems
  • Building Envelope Performance
  • Wood Decay
  • Insect Attack
  • Chemical Degradation of Wood
  • NDT Resistance Drilling
  • Wood Testing
  • View Dr. DeBonis' Consulting Profile.
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    William J. Pyznar, Andrew A. Amorosi & Anthony Volpe
    Principals
    682 Highway 202/206
    Bridgewater NJ 08807
    USA
    phone: 908-595-0050
    fax: 908-595-0012
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    The Falcon Group consists of Forensic Architects and Forensic Engineers who consult on construction claims. We provide claims consulting for: Construction Defects, Architectural Standard of Care, Delay, Errors and Omissions (E&O), Building Codes, Specifications and costs.

    The Falcon group has Professional Engineers, Registered Architects, Roofing Experts, Stucco Experts, EIFS Experts, and Building Envelope Experts. We perform dispute resolution and prepare expert reports for a wide range of construction issues with a current claim total of over $50,000,000.

    Litigation sometimes becomes necessary to resolve construction, engineering, architectural or materials-related disputes. For virtually any type of property or project, we provide a variety of analytic and related services to assist clients in obtaining successful litigation outcomes, related to:
    • Developer Transition
    • Expert Witness/Professional Testimony
    • Material Defect Claims
    • Construction Defect Reports and Claims
    • Construction Litigation Support and Documentation
    • Education
  • Municipalities
  • Banks
  • Commercial Property Managers
  • Insurance Companies
  • Attorneys
  • Private Property Owners
  • Professional Services Provided Include:
    • Design Plans and Specifications
    • Forensic Engineering
    • Litigation Support
    • Construction
    • Administration and Inspection
    • Specialty Services for Community Associations
  • Land Surveying
  • Civil Engineering
  • Architectural Engineering
  • Construction and Material Testing
  • Architectural Services
  • Property Condition Assessment (PCA) Reports
  • Litigation Support - Litigation sometimes becomes necessary to resolve construction, engineering, architectural or materials-related disputes. For virtually any type of property or project, we provide a variety of analytic and related services to assist clients in obtaining successful litigation outcomes, related to:
    • Developer Transition
    • Construction Defect Reports and Claims
    • Material Defect Claims
    • Expert Witness/Professional Testimony
    • Construction Litigation Support and Documentation
    View Falcon Group's Consulting Profile.
    11/4/2015 · Construction
    As discussed in my first window article titled "The View Of Your Windows Is Not Always The Same", there is great variation in the suitability of a window for a particular application. In all cases, there is a very specific need for proper detailing and attention to detail with respect to integration of the window with the building envelope and proper detailing during installation. This sequel to my first window article focuses on quality control measures for installation once your window has been selected and specified.

    10/14/2015 · Construction
    In March 2013 a catastrophic sinkhole collapse swallowed a central Florida bedroom killing the occupant without notice. The home was a total loss and the event made national news making many property managers keenly aware of the costs and dangers of sinkholes. Residents of the Northeast are not immune from these occurrences. Understanding possible causes and remedies should help with decision making at all levels of property management and ownership.

    9/1/2015 · Construction
    Community associations, building owners, engineers, contractors and property managers deal with the constant battle of keeping water out of the building envelope, but sometimes the water that causes stains, mold and decay actually originates from within the building envelope. The cold temperatures of the winter months combined with specific interior conditions will result in excessive condensation. The condensation may be in the attic, basement and crawl spaces or inside wall cavities. Deficiencies in the original construction or recent reconstruction of exterior wall cavities, basements, crawl spaces and/or roofs /attics can exacerbate the conditions resulting in excessive condensation conditions and potential for damage and mold development. Sometimes, the conditions may be seen but many times the condition and subsequent damages may be hidden from view and worsen with each passing winter season, escalating repair costs.

    7/22/2015 · Construction
    "Where were YOU when the lights went out?" was a famous slogan from the 1965 Northeast Blackout, but a better slogan in light of the more recent Superstorm Sandy Blackout of 2012 might be "How did YOUR building perform when the lights went out?"

    6/16/2015 · Construction
    We have been responding to homeowner's complaints of sagging ceilings in the living space of townhomes which were built in the 1980's. Beginning in 2010 and continuing through today, Falcon Engineering has observed the condition of ceilings in over 30 homes in a Lincoln Park, NJ townhome community of close to 400 homes. Our findings are that upwards of 80% of the homes investigated have deflection which exceeds design criteria and are in need of repair. Repairs are relatively simple, but costly to the Homeowners Association having responsibility for the structural components of these buildings. Because of the need for financial planning, Associations want to understand the factors which influence the failures of these aging structures. For the purposes of this discussion, we are talking about failures which occur due to mysterious origin, rather than catastrophic failures of excessive wind or snow loads, or abuse from excessive loads that the trusses were not designed to accommodate (such as water beds or heavy stone finishing materials).

    5/15/2015 · Waterproofing
    It's that time of year again. That snow that is pretty for some is scary for others. You have experienced, read or heard about ice damming. You are familiar with the damage the phenomena can cause. Perhaps your Association has even spent several hundred thousand or even over a million dollars on roofing improvements and/or replacements within the last few years. Why do we have leaks from ice damming? Was the roof replacement performed correctly or designed correctly? The answer is simple, with a properly designed and installed roof system, the possibility of damage resulting from ice damming should be significantly reduced.

    4/16/2015 · Construction
    Manufactured stone is a very popular product for both the interior and exterior of homes and buildings. There are many manufacturers of this type of cladding system, Cultured Stone® and Coronado Stone® among the most recognized names. A man-made stone manufactured primarily for decorative purposes, these systems are typically comprised of cement, natural aggregates and iron pigments. In order to give manufactured stone a realistic appearance and shape it is often created by using molds of actual real natural stones. Like many building materials, the use of manufactured stone has both advantages and disadvantages, and installation is vital to its long term success.

    6/25/2014 · Construction
    A condominium development located in northern New Jersey was experiencing water infiltration and severe cracking in the concrete foundation walls and floors in the garages. In support of the Association's overall litigation approach, Falcon performed concrete crack mapping, concrete petrographic analysis, and overall concrete evaluation.

    5/28/2014 · Construction
    A New York City building underwent litigation pertaining to the construction of an addition to the existing structure and resultant structural support system depriving tenants of proper light and air through their existing windows. Falcon performed a light and air study on the effect of both the addition and the structural support system on lighting and air flow in defense of the claim.

    4/16/2014 · Construction
    A condominium building located in northern New Jersey was experiencing water infiltration into various locations around roofs, curtain wall systems, and balcony access points. The Condominium Association engaged Falcon to investigate these issues in support of their dispute resolution with the Developer

    4/20/2011 · Construction
    As your community or building ages, it will require an increasing amount of maintenance and large scale replacement or improvement projects will become necessary.

    4/25/2007 · Construction
    Exterior Insulation and Finish Systems (EIFS) include a group of exterior cladding systems that was introduced from Europe to the United States approximately 30 years ago. EIFS was first used in Europe after World War II to reclad many bombed and damaged buildings

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    David Tawfik
    Principal Engineer
    P.O. Box 9095
    Bundall Queensland 4217
    AUS
    phone: 61-0-41225 5112
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    Dr. David Tawfik is a chartered professional engineer and has been engaged by major project alliances, legal firms, contractors and asset owners to provide impartial advice and undertake expert investigations concerning the Procurement, Fabrication and Performance of Construction Materials used in transportation infrastructure, rail, water, mining, maritime and energy sectors.

    Dr. Tafik's technical competence includes welding and joining, metallurgy, forensic engineering, thermal-mechanical analysis, corrosion analysis, non-destructive testing and condition monitoring.

    Dr. Tawfik has presented and published technical papers at international conferences, congress, forums and peer reviewed journals respectively.

    Expert and Consulting Services Include:
  • Expert Technical Advisory
  • Supervision and Approval of Fabrication Programs
  • Forensic Engineering
  • Third Party Reviews, Audits and Certification
  • Troubleshooting
  • Project Management
  • Technical Due Diligence
  • Incident Response
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    Brian Spiegel & David Spiegel
    CR, CIEC, CMRS, CEICC, CSDS, CMCC, IICRC
    PO Box 7577
    La Verne CA 91750
    USA
    phone: 800-266-8988
    fax: 909-596-8803


    AVAILABLE NATIONALLY
    CERTIFIED RESTORERS * CERTIFIED INDOOR ENVIRONMENTAL CONSULTANTS *
    CERTIFIED MICROBIAL REMEDIATION SUPERVISORS * CERTIFIED ENVIRONMENTAL INFECTION CONTROL CONSULTANT * CERTIFIED STRUCTURAL DRYING SUPERVISOR * CERTIFIED INFRARED THERMOGRAPHERS *
    IICRC CERTIFIED MASTERS * LIC. GENERAL CONTRACTORS #299472


    SUMMARY OF EXPERIENCE

    Brian Spiegel and David Spiegel offer expert testimony and consulting services regarding smoke, water, fire, mold contamination property damage restoration, reconstruction, and construction defect related problems.

    Both have been speakers nationally and internationally on property damage restoration, construction, and mold contamination related topics. In the past at the Property Loss Research Bureau (PLRB) national mold symposium in Charlotte, North Carolina and at the Forensics Consultants Association on toxic mold litigation and mold remediation in Newport Beach, California.

    In the media Brian and David have written articles for industry trade magazines and given television and radio interviews, including one with Brian on ABC TV “Good Morning America” featuring a segment on mitigating water damage.

    CONSULTANTS AND EXPERT WITNESS
  • Mold & Bacterial Contamination
  • Construction Defects
  • Fire & Smoke Damage
  • Industry Standards of Care
  • Structural Damages
  • Water Damage
  • Sewage Backflow
  • Flooring Forensics
  • EXPERT SERVICES
  • Property Damage Contractor
  • Inspections & Formal Reports
  • Cause and Origin Investigations
  • Smoke Particulate Testing
  • Property Insurance Claims
  • Testing
  • Detailed Construction Estimates
  • Cost Damage Appraisals at Current Industry Pricing
  • Litigation Support
  • Infrared Structural Inspections
  • Concrete Moisture Testing
  • PROPERTY DAMAGE ASSESSORS
  • Residential and Commercial
  • Appraisal Process: Appraisers & Umpires
  • Contents and Structure
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    Luis R. Carney, PhD, PE
    President
    11977 Marbon Meadows Dr.
    Jacksonville FL 32223
    USA
    phone: 904-233-3660
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    Luis R. Carney, PhD, PE, is a practicing Metallurgist and Professional Engineer with over 28 years of experience in failure analysis and accident investigation for the United States Navy.

    In the regular course of business, Dr. Carney has worked on a multitude of national and international engineering problems, incidents and accidents in support of US Navy, Air Force, Marine, and Army aviation programs. In defending the interests of the United States Government, he has worked with industrial giants such as Boeing, Lockheed, General Electric, Pratt & Whitney, and Rolls-Royce Aircraft Engines. As such, he has earned a well-deserved reputation for clear reasoning, trustworthy advice and effective results. While the roots of Southeastern Metallurgy lie in the aerospace industry, we do not limit ourselves to this field.

    Litigation Support - Dr. Carney accepts cases from a wide variety of industries and is particularly skilled at analyzing transportation (esp. aviation), mechanical and industrial incidents and accidents. Over the years, he has conducted over 700 failure analyses and consulted in hundreds more, many with national or international implications. Dr. Carney's services are available to attorneys for plaintiff and defendant and include written reports depositions, and trial testimony as needed. The initial case evaluation is free.

    Areas of Expertise:
    • Transportation Accidents
    • Mechanical Devices of Any Kind
    • Aviation Structures
    • Heat/Fire/Lightning Damage
    • Turbine Engine Failures
    • Steels/Superalloys/Al/Ti/Ni/Co
    • Polymers/Composites
    • Fatigue
    • Corrosion
    • Stress Corrosion
  • Industrial Accidents
  • Propellers
  • Piston Engines
  • Embrittlement
  • Weld Defects
  • Machining Errors
  • Improper Design
  • Manufacturing Errors
  • Overload
  • Wear
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    Dr. Shakir Shatnawi, Ph.D., P.E.
    Transportation Engineering Expert
    El Dorado Hills CA 95762
    USA
    phone: 916-790-1158 or 916-990-6488 (Cell)
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    Shakir Shatnawi, PhD, PE, specializes in Transportation Engineering and Pavement Design and has over 27 years of practical and extensive engineering and transportation expertise covering industry and public agencies including the Federal Highway Administration (FHWA) and the California Department of Transportation (Caltrans). As President of Shatec Engineering Consultants, LLC, he directs engineering operations and performs pavement studies and investigations.

    Background Experience - Dr. Shatnawi served as a principal investigator on multi-million dollar pavement projects. He taught highway and transportation engineering at California State University. He was the QC/QA program manager, the chief of the Pavement Design and Rehabilitation and the chief of Pavement Preservation, and served as the Caltrans State Pavement Engineer. He directed Caltrans’ Pavement Program as a Division Chief and oversaw over 50,000 lane miles with a budget of over $200 million in pavement preservation and over $500 million in pavement rehabilitation.

    Litigation Support - Dr. Shatnawi provides expert witness services, expert testimony, and litigation support to legal entities and attorneys representing both Plaintiff and Defense. His services include dispute resolution and failure and forensic engineering analysis and investigations on cases related to:
    • Accident Reconstruction
    • Highway Design Standards
    • Highway Specifications / Guidelines
    • Public Agency Policies / Practices
    • Pavements
    • Materials
    • Highway Geometric Design
    • Drainage
    • Asphalt
    • Concrete
    • Highway Repairs / Maintenance
  • Construction Quality Control / Quality Assurance
  • Construction Claims
  • Surface Conditions - Friction, Skid Resistance
  • Potholes / Roughness
  • Traffic
  • Highway Safety
  • Signage
  • Sight Distance Requirements
  • Roadside Hazards
  • ADA Requirements
  • Code Violations
  • View Dr. Shatnawi's Consulting Profile.
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    Dr. Arun Kumar
    Ph.D.
    250 N. Nash Street
    El Segundo CA 90245
    USA
    phone: 310-322-2011
    fax: 310-322-2243
    Arun Kumar, Ph.D. has 34 years of experience in Metallurgy, Materials Science and Failure Analysis of Metallic and Non-Metallic Materials at Rockwell International, Hughes Aircraft Company and SEAL Laboratories. He manages and supervises approximately 17 engineers and technicians performing a variety of analytical services and failure analysis.

    Dr. Kumar provides metallurgical consultation, performs failure analysis and serves as an expert witness in product liability trials involving materials failures. He has extensive experience in metallurgical failure analysis of aircraft, helicopter, automobile and motorcycle components, machineries, medical implants, machine tools and household appliances.
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    Mark C. Vanderslice
    22765 La Palma Avenue
    Yorba Linda CA 92887
    USA
    phone: 714-970-7400
    fax: 714-970-7474
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    Mark VandersliceMark C. Vanderslice has been actively involved in almost all aspects of the Roofing and Waterproofing industries since 1978. Mr. Vanderslice is an active member of RCI, Inc., formerly The Roof Consultants Institute, an international association of building envelope consultants who specialize in design, investigation, repair and management of roofing, exterior walls and waterproofing systems. In 1984 Mr. Vanderslice was the 16th to receive certification of 426 nationally recognized Registered Roof Consultants in the United States from a professional membership of approximately 2,800.

    Mr. Vanderslice's expertise includes performing architectural design reviews for roofing, waterproofing and building envelope exteriors for the purpose of verifying constructibility, conformance to material manufacturer's requirements, industry standards and Building Code requirements. He also performs complex leak investigations in order to determine the Cause and Origin of Leaks as well as developes comprehensive and effective scopes of long-term repairs. His services are available for cases involving water intrusion from various sources including roofing, waterproofing, sheet metal flashings, wall systems inclusive of stucco, stone cladding, masonry, cavity walls, DEFS, EIFS, Rain Screen and metal panels as well as waterproofing systems and virtually all types of water intrusion and related construction defects.

    Mr. Vanderslice has been designated as an Expert Witness in more than 550 cases and has been retained by Plaintiff, Defense, and as a Neutral Third Party. Mr. Vanderslice has provided expert witness testimony in over a dozen trials and been deposed well over 150 times.

    Areas of Expertise:
    • Architectural Codes / Design & Standards
    • Ashaltic Shingle Roofs
    • Built-up (BUR) Roofs
    • Construction Defects
    • Construction Design
    • Construction Leakage Diagnostics
    • Copper Roofs
    • Deck Waterproofing
  • EIFS
  • Window & Door Water Intrusion
  • Forensic Inspection & Evaluation
  • Roofing
  • Stucco
  • Water Leaks / Moisture Intrusion
  • Below-Grade Waterproofing
  • Exterior Wall Systems
  • View Consulting Profile.
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    Dr. Robert N. Anderson, PhD, PE
    President
    27820 Saddle Court
    Los Altos Hills CA 94022
    USA
    phone: 650-949-1092
    fax: 650-949-5641
    Robert N. Anderson, PhD, PE, has more than 35 years of experience in Forensic Materials and Metallurgical Consulting specializing in Corrosion and Thermodynamics, Failure Analysis, Engineering Design, and Accident Analysis. Dr. Anderson is an Emeritus Professor in Materials Engineering who offers Expert Witness services to legal firms representing both plaintiff and defendant. A court appointed expert, Dr. Anderson is available for civil and criminal forensic metallurgical cases. He has extensive deposition and courtroom experience having been retained over 40 times in the last 5 years.

    Areas of Expertise:
    • Metallurgy
    • Materials
    • Failure Analysis
    • Accident Analysis
    • Thermodynamics
    • Corrosion
    • Design Failures
    • Asbestos
    • Industrial Failures
    • Welds
  • Medical Device Failures
  • Electrical Fire Source
  • Firearms
  • Ballistics
  • Composites
  • Polymers
  • Wood
  • Ceramics
  • Building Materials
  • Pipes
  • Memberships & Affiliations:
    • American Academy of Forensic Sciences, Fellow/Past Director
    • National Academy of Forensic Engineers, Fellow/Past President
    • International Board of Forensic Engineering Sciences, Diplomate, Current President
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    Dr. J. Rasty, PE, MBA
    President & CEO
    1500 Broadway, Ste. 503
    Lubbock TX 79401
    USA
    phone: Cell:806-773-7787 or Ofc: 806-368-9811
    fax: 214-614-4955
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    Since 1988, Real-World Forensic Engineering, LLC ("RWFE") has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing in many areas.

    RWFE Expertise Includes:

    Components & Machinery
    Metallurgy & Corrosion
    Dynamics of Impact & Collisions
    Friction Analysis / Slips, Trips and Falls
    Intellectual Property & Patent Review
    Accident Reconstruction / Animation
    Computer Aided Design
    Education & Training
    Electrocution & Switch Malfunction
    Grounding & Lightning Protection
    Lightning Impulse Testing
    Products and Premises Liability & Safety
    High-Voltage & Current Power Systems
    Bridge Design and Safety
    Fire & Explosion Cause and Origin
    And Much More...


    At RWFE, we proudly distinguish ourselves by our Four C's:

    CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

    Credentials:B.S., M.S., M.Eng., M.B.A., J.D., and Ph.D. Degreed
    Licensed Professional Engineers in Mechanical, Electrical, and Civil Engineering
    Tenured University Professors and Professionals
    NAFI Certified Fire and Explosion Investigators (CFEI)
    Licensed Master Electricians
    Competence:Over 80 Combined Years of Experience in Engineering R&D, Industry, Academia, Consulting, and Expert Witness Litigation Support
    Over 120 Combined Deposition and Court Testimonies
    Credibility:Internationally Recognized in Our Areas of Expertise
    More Than $19 Million in Peer-reviewed and Funded Research Grants
    Over 200 Combined Scientific Publications and Journal Articles
    Communication:Over 20 Different Undergraduate and Graduate-level University Courses
    Over 30 Invited Short Courses, Talks, and Lectures

    Design Evaluation – Accident Investigation – Intellectual Property
    Failure Analysis – Fire Cause & Origin – Component Testing
    Computer Aided Drafting – Accident Animation
    Expert Witness & Litigation Support

    www.ExpertEngineering.com
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    Thomas Read, PhD
    Principal
    1435 Fulton Rd.
    Santa Rosa CA 95403
    USA
    phone: 707-544-2374
    fax: 707-544-2370
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    Expert Background: Dr. Thomas L. Read is the Principal and CEO at A. Read Consulting, LLC. He received his PhD. from Stanford University in 1972 and has over 25 years of manufacturing experience in electronics, metallurgy, factory safety, failure analysis, glass fracture, glass failure and bottle failure. As a member of the electronics industry, he has earned process patents and has an extensive background in manufacturing techniques.

    In parallel, Dr. Read has spent over twenty five years as a consultant to attorneys and engineers. He has given more than 100 depositions and has appeared in court numerous times.

    Company Profile: Read Consulting, LLC is a full service laboratory providing services in the following areas:
  • Failure Analysis; Factory Safety and Personal Injury (including machine guards and manufacturing safety)
  • Glass Failure Analysis - Glass Fracture, Glass Failures and Bottle Failure
  • Metal and Ceramic Failure
  • Grinding Wheel Failures
  • Intellectual Property and Patent Disputes
  • Product Liability and Product Quality
  • Manufacturing Disagreements (such as Intellectual Property, Failed equipment and Contract Disputes)
  • Reverse Engineering
  • 4/23/2015 · Failure Analysis
    Read Consulting was asked to determine why a welded chair failed and caused injury to the person sitting in it.

    The root cause of the failure of customer returns of heated automobile rear view mirrors was investigated.

    During normal operation, the arm on an automatic wafer test station failed. Root cause failure analysis determined that the drive shaft on the right angle gear motor used to raise and lower the manipulator arm had failed first.

    5/21/2012 · Failure Analysis
    This grinding wheel was part of a product liability and personnel injury case. It was claimed that the subject wheel had unexpectedly failed (i.e. flown apart) and an escaping piece had hit the plaintiff in the face causing serious injuries. According to the user, the grinder with the wheel was purchased approximately one hour before the grinding wheel failure.

    3/29/2012 · Failure Analysis
    A failed plastic lawn chair was examined to determine the cause of failure. This chair failed on the premises of a restaurant In this study the subject chair is examined and compared to several exemplar purchased at the same time. The objective of this study is to determine the cause of failure.

    11/8/2011 · Failure Analysis
    Glass Failure Analysis Expert Witness performs a failure analysis of a several tempered glass doors that had "spontaneously" failed at a construction site. The objective of this glass failure analysis is to determine the cause of failure and make recommendations to the contractor.

    8/30/2011 · Failure Analysis
    Materials failure analysis expert performs a failure analysis to determine the source of a metal piece found in tomato product.

    5/17/2011 · Failure Analysis
    A plumbing failure analysis was performed to determine why a cold water supply line to a bathroom sink had failed after only one year of service.

    A glass failure expert witness performs a root cause failure analysis on an exploding beer bottle. The object of this root cause failure analysis is to determine the cause of the bottle failure.

    7/7/2009 · Design
    Before expending the effort necessary to reverse engineer a device or object, it must be definite that the object under study is not covered by one or more patents. This avoids a dispute over patent violations. Once it has been established that no patent coverage exists, one can use multiple techniques to reverse engineer a product. These are summarized below:

    The cracked tank was first inspected in the "as received" condition. In this condition it was cracked, but it was still whole. Next, the failed tank was separated by pulling it apart. This was done to expose the fracture surfaces of the main crack. This allowed for a complete failure analysis and for a determination of where the crack initiated.

    Glass fractography is the most effective method for determining why a glass object, such as a bottle, failed. This technique consists of examining the fracture surfaces of the failure for artifacts such as Wallner lines and using them to trace the crack back to its origin. Once the origin has been identified, it can be examined in detail with a microscope to determine the cause of the failure.

    1/28/2006 · Failure Analysis
    Note: Glass Fractography is the most effective method for determining why a glass object, such as a bottle, failed. This technique consists of examining the fracture surfaces of the failure for artifacts such as Wallner lines and using them to trace the crack back to its origin

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    Stephen J. Callan
    44 Alley Lane
    Climax Springs MO 65234
    USA
    phone: 636-394-1480
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    Stephen Callan Plastics Polymers Expert PhotoStephen J. Callan, Founder, President & Technical Director of Polymer Testing of St. Louis, Inc., has a 40 year career in Polymer Chemistry.

    Litigation Support Experience - Mr. Callan has personally conducted more than 3,000 Military and Industrial Failure Analyses. He has had a twenty six year career as an Expert Legal Witness and has been used as an Expert Legal Witness in more than 50 cases involving Product Failure, Medical Malpractice, Pharmaceutical Contamination, Violation of FDA regulations, Failure to Warn, Fire, Explosion, Chemical Exposure, Personal Injury, Death, Murder, Environmental Contamination, Patent Infringement and IP theft. He has testified in State Court, State Supreme Court, and Federal Court.

    Mr. Callan has been used as an Expert in Polymer Chemistry/Materials Analysis/Failure Analysis & Reverse Engineering by 64 Independent Testing Laboratories, 35 Automotive Component Manufacturers, 26 Coatings / Adhesives Manufacturers, 30 Composite / Aerospace/ Military Manufacturers, 12 Environmental / Agricultural Product Manufacturers, 20 Packaging Manufacturers, 14 Electronics Manufacturers, more than 260 Plastic Manufacturers / Raw Material Suppliers, The U.S. Navy, The U.S. Army, and NASA.

    Primary Areas of Expertise:
    • Military and Industrial Failure Analysis
    • Product Contaminant Identification
    • Plastics and Polymers
    • Coatings, Sealants, and Paints
    • Construction Claims
    • Corrosion Engineering
    • Reverse Engineering
    • Product Failure Analysis
  • Forensic Chemistry
  • Forensic Engineering
  • Intellectual Property
  • Materials Science
  • Medical Devices
  • Product Warnings
  • Roofing and Waterproofing
  • Structural Failure
  • View Stephen Callan's Consulting Profile.
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    Casey K. Hemmatyar, PE, SE
    Chief Expert
    515 South Flower St., Ste. 3600
    Los Angeles CA 90071
    USA
    phone: 213-261-6600
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    Casey K. Hemmatyar, SE, is a Forensic Structural Engineer with over 30 years of diversified experience in the field of Structural, civil, and forensic engineering in design, investigation, evaluation, research, building code and standards development and construction supervision. His experience includes new buildings, special structures, as well as modifications, alterations, seismic / wind retrofits, and upgrades.

    Mr. Hemmatyar has provided failure analysis, expert consultation, structural forensic investigation, damage assessment services for many litigation and insurance related matters. He has been principal structural engineer on projects for clients such as NASA and several other high profile agencies.

    Litigation Support - Mr. Hemmatyar has provided extensive services for defendants and plaintiff attorneys on construction litigation matters in single and Class-Action both on State and Federal lawsuits. His understanding of core legal concepts and engineering principles has enabled him to assist his attorney clients in the most efficient manner. His services include on-site inspection, written reports, depositions, and trial testimony as needed.

    Areas of Expertise:
    • Construction Defects
    • Failure Analysis
    • Code Compliance / Violation
    • Natural Disaster Damage Assessment
    • Structural Failure Investigation
    • Foundation System Settlements
    • Structural Repair Analysis
    • Corrosion
    • Earthquake Damage
    • Vibration and Frequency
    • Mechanical, Electrical, Medical Equipments
  • Construction Schedule Delay
  • Property Insurance Claims
  • Standard of Care
  • Construction Accidents
  • Buildings & Public Works
  • Flood & Demolition Damage
  • Errors / Omission
  • Water Intrusion
  • Roof Systems
  • Floor Systems
  • Impact Forces
  • View Casey Hemmatyar's Consulting Profile.
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    Robert R. Odle, PhD
    100 Wedgemont Dr
    Elkton MD 21921
    USA
    phone: 443-616-4339
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    Robert R. Odle, PhD, is an experienced Metallurgical Engineer with over 40 years of experience. The author of 10 publications and inventor of 11 patents, Dr. Odle specializes in the following three areas:
    • Corrosion Engineering - As applied in the selection and evaluation of materials for chemical systems
    • Process Chemistry - As applied in extractive metallurgy, wastewater treatment, metals refining, sulfide metallurgy, recycling of hazardous materials, and corrosive systems
    • Process Economics and Process Development - As applied to evaluating the viability of new extractive metallurgy ventures or chemical processes
    Litigation Support - Dr. Odle serves as an expert witness in cases involving Metal Chemistry, Hazardous Metal Wastes, and Metal Failure in corrosive process environments. His expertise is called upon for Root Cause Investigations and/or Failure Investigations. His services include on-site evaluations, written reports, deposition, and trial testimony when necessary. Dr. Odle is available to counsel representing both Plaintiff and Defendant.

    Areas of Expertise:
    • Extractive Metallurgy
    • Waste Water Treatment
    • Inorganic Chemistry
    • Visual Basic for Applications
    • Electrowinning
  • Hydrogen Sulfide
  • Material & Energy Balance (VBA)
  • Smelting
  • Electro-refining
  • Solid Electrolytes
  • View Dr. Odle's Consulting Profile.
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    C. Kendall Clarke, MS, PhD, PE
    1146A LeRoy Stevens Rd.
    Mobile AL 36695
    USA
    phone: 251-639-3433
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    C Kendall Clarke Expert PhotoC. Kendall Clarke, MS, PhD, PE, has 40 over years of experience as a degreed and registered professional engineer in the field of Metallurgy and Material Science. He offers expertise specifically in the areas of metallurgy, fracture mechanics, corrosion, and welding.

    Dr. Clarke has expertise estimating failure stresses from fractures to produce an engineering root cause failure analysis. Examples include a cruise ship breakaway, exhaust stack cracking, aircraft fuselage fatigue, and pressure vessel explosions.

    Dr. Clarke has industrial experience in ship building, chemical plants, paper mills, and manufacturing. He is published in the Journal of Failure Analysis and Prevention, among others. He is an active member in the Alabama and National Societies for Professional Engineers, the National Association Corrosion Engineers, and American Society for Testing and Materials.

    Litigation Support - Retained over 400 times, Dr. Clarke is a testifying expert with experience in writing thorough reports and defending them in deposition and trial. He is qualified to testify in state and federal courts. Dr. Clarke's goal is to provide solid engineering testimony in deposition thus to help in case settlement. He works with attorneys to educate them on the technical issues and to help produce mediation and trial presentations of complex issues on a layman's level for the jury.

    General Areas of Litigation Case Experience (multiple cases):
    • Accident Investigation & Failure Analysis
    • Axle Failures / Fractures
    • Corrosion
    • Fasteners (Rivets, Bolts, Blind Fasteners)
    • Fracture Mechanics
    • Industrial Accident Investigation & Reconstruction
    • Metallurgical Engineering
    • Metals – Strength & Fatigue
    • Product Liability
  • Stress Fractures
  • Welding / Spot Weld Failures
  • Wheel Failure
  • Pressure Vessel Failure Reconstructions
  • Truck Under Ride Bar Failures
  • Tree Stands for Hunting
  • Heat Exchanger Failures
  • Maritime Components
  • Equipment Fires
  • View Dr. Clarke's Consulting Profile.
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