10/24/2022· Failure Analysis
Titanium Surgical Screws Failure Analysis
By: Dr. Thomas Read
Read Consulting Failure Analysis Laboratory was engaged to determine the cause of failure of two titanium surgical screws used in corrective back surgery. These were both 6.5 mm diameter, 40mm long screws that were surgically implanted. in a patient, and they subsequently failed.
4/20/2022· Failure Analysis
Glass Coffee Pot Failure Analysis: Thermal Shock Failure Of Borosilicate Glass Coffee Carafe
By: Dr. Thomas Read
The fatigue failure initiated on the outside bottom where the carafe had been scratched with the abrasive scrub pad. As a result of cyclical thermal shock (between 195°C and 15°C), the cracks grew progressively till it reached a critical length. Glass thickness at the origins is approximately 3 mm. One failed after 12.
8/7/2012· Failure Analysis
Failure Analysis: Metal Fatigue of Automatic Machinery - Wafer Test Station
By: Dr. Thomas Read
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.
