Failure Analysis: Collapse of Plastic Chair
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.
Stress Corrosion Cracking And Intergranular Corrosion of a 316Ti Stainless Steel Preheater Tube
A cracked 316Ti stainless steel preheater tube was analyzed to determine the failure mechanism. A second non-cracked tube section from a different elevation was also analyzed to determine the condition of the tube material.
Root Cause Failure Analysis of Tempered Glass Door
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.
Metal Failure Analysis: Metal Food Contaminant Failure Analysis
Materials failure analysis expert performs a failure analysis to determine the source of a metal piece found in tomato product.
Plumbing Failure Analysis: Stress Corrosion Cracking of Yellow Brass
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.
Failure Analysis of a "Exploding" Beer Bottle: Product Defect, Product Liability
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.
Failure Analysis of a Failed Ceramic Water Holding Tank on a Toilet
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.
Failure Analysis of a Broken Jam Jar
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.
Elements of Failure Analysis
Failure analysis is conducted to determine the root cause of failure. Sometimes these failures are catastrophic, e.g., Titanic. Other times the failures are a nuisance, e.g., failed o-ring in plastic faucet water valve. In both cases, the component failed unexpectedly, which can result in injury or death, not to mention financial loss due to unscheduled downtime
Wine Bottle 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
