California failure analysis expert witness was asked to perform a detailed failure analysis of a broken wine bottle. Glass fractography was used to determine the root cause failure mode. The failure originated at damage caused by the prop on the cork screw. The fact that there were two damage sites on opposite sides of the […]
California Coating Expert Performs Failure Analysis of Epoxy Paint
A California coating expert was confronted with a municipal water tank with a rubbery epoxy coating. The complaint was that the epoxy paint was not properly mixed, and it had not cured properly. During the coating failure analysis, the study showed that the epoxy paint was aliphatic amine cured. In addition, the tank was painted […]
Glass Expert Examines a Tempered Glass Window Failure
California failure analysis expert uses glass fractography to perform a glass failure analysis on a tempered glass window failure. The glass fracture analysis showed that the window failure was a result of heating the glass in the center. Due to the heat, the center of the window expanded. This created additional tensile stress on the […]
California Glass Expert Performs a Failure Analysis on a Glass Bowl
A glass failure analysis was performed on a glass mixing bowl. An overview of the failed glass bowl is shown in the upper left photograph. This bowl failed as a result of thermal stresses. The crack originated at the bottom of the bowl and spread in one direction around the entire bottom. The thermal stresses […]
Failure Analysis Expert Examines a Plumbing Failure
A failure analysis was performed on a plumbing failure. The line is a corrugated water line to a bathroom sink. The pipe failure occurred at a bend in the water supply line it was due to stress corrosion of the yellow brass line. Microscopic examination of the largest crack showed that there was also dezincification […]
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