Classic Symmetrical Temper Stresses Three Photomicrographs of Poor Temper Fracture Patterns There has been some concern about glass oven wear made from tempered soda lime glass exploding while in use. A Glass failure analysis expert witness performed fractography on a thick glass jar that had been “tempered”. Because this is a prototype piece, […]
Glass Failure Expert Witness Analyzes Failed Wine Bottle
Glass expert performed a root cause failure analysis of a broken wine bottle. The bottle had broken at the neck into three pieces (Upper left photograph). One piece still contained the cork with the cork screw still in place. In this case the cork screw was off center and had exited the cork when it […]
Wine Bottle Failure Analysis
Glass Failure Analysis Expert Witness Performs Wine Bottle Failure Analysis. In this product liability case the user was injured as the cork was being extracted. The glass failure expert witness performed a glass failure analysis and determined that the bottle failure initiated at the very top of the bottle. Thus, the cork screw could not […]
Failure Analysis Expert Witness Examines Failed Rivet
A failure analysis expert witness performed a rivet fialure analysis of a rivet involved in a ladder failure. The failed rivet, which is a hollow end rivet, was found to be too short for the intended application. The photo on the upper left is a cross section of the failed rivet in question. The clinch […]
Failure Analysis of Corroding Stainless Steel Probe
Failure analysis expert was asked to determine the cause of deterioration of the tip of a stainless steel (SS) probe used to measure the level of hot tomato juice in a vat. Chemical analysis identified the steel as 304 SS with 0.082% carbon. At best, the carbon limit is on the high end in […]
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