A California failure analysis expert witness was asked to perform a glass failure analysis on a champagne bottle that had failed “spotnaeously”. Because champagne is under pressure and in glass, there are warnings not to use a cork screw to remove the cork. However, there are cases where the cork is stuck and people will […]
California Failure Analysis Expert Witness Examines Failed Glass Pool Tiles
California glass expert performed a failure analysis on several broken glass tiles. These tiles were above the water line in a swimming pool. The failed tiles were removed and submitted for failure analysis. It was impossible to open the tiles to examine the fracture surface. The thin set mortar had “squeezed” into the crack and […]
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 […]
Glass Expert Discusses Tempered Glass Fracture Surfaces
California glass expert witness discusses crack travel directions during tempered glass failure. During tempered glass failure the glass sheet “self destructs” because the internal residual stresses are tensile and drive the failure. Essentially the glass failure results in the glass breaking into tiny cubes. This means that the crack is constantly changing directions. The California […]
Glass Expert Performs a Bottle Failure Analysis
A California Glass failure analysis expert witness was asked to examine a failed wine bottle. A portion of the bottle top broke off midway down the cork as the cork was being removed. The root cause failure analysis revealed that the bottle had received a impact to the side. The distinct Wallner lines (see the […]
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