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 […]
Glass Bottle Damage; GLass Bottle Failure Analysis
Glass expert illustrates wine bottle damage that occured during corking. This product defect occured during cork insertion. The “push rod” was off center, and it impacted the top of the bottle. As a result, there was a crush point that would have resulted in a crack during cork removal by the user. Glass failure analysis […]
Product Liability Expert Asses Changing Part Suppliers
Product liability is strongly dependent on part quality. This is a big issue when changing part suppliers, and there are times a product liability expert must be hired to examine parts from the new supplier. In this case, the supplier of a molded nylon part was changed and plastic failure analysis tests showed that the […]
Glass Expert Analyzes Window Damage
Glass failure analysis expert analyzes scratched windows on new construction. There have been numerous occasions where a glass expert has been brought in the determine the cause of window scratching. This is often on new construction that has a stucco exterior. Post construction window claening is critical because of […]
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