Failure analysis expert observed a nickel sulfide particle using Nomarski optics. The various colors show different elevations of the surface around the particle. This particle was at the origin of a failed tempered glass door. This is an interesting result of a glass failure analysis performed on the door. […]
Glass Expert Analyzes Wine Bottle Defect
A glass expert was asked to examine poor quality bottles received by a winery. The issue was whether this product defect would significantly lower the strength of the bottle and would present a product liability problem. The photo on the upper left is a photograph of the manufacturing defect. It is a 4 inch horizontal […]
Failure Analysis Expert Performs Glass Failure Analysis
Glass expert performs a failure analysis on a failed tempered glass door. The spontaneous glass failure was analyzed to determine the cause of failure. This was one of several doors that failed spontaneously on a new high rise. Fortunately, the door did not fall apart; thus, the failure origin could be preserved. The upper left […]
Glass Failure Expert Looks at Tempered Glass Failure
Glass expert analyzed a broken tempered glass door. He was able to preserve the origin and perform a failure analysis. The spontaneous glass failure started in the center of the window and was caused by a nickel sulfide particle (NiS particle). This failure mechanism is well known and has been documented by others. In this […]
Glass Expert Discusses Construction Defect
Glass expert analyzed a failed shower enclosement wall made from tempered glass. The failure occured before the homeowner warranty had failed. The contractor refused to replace the glass panel. It was his opinion was that the homeowner had damaged the panel and was responsible. Glass failure analysis determined that the failure initiated under the frame. […]
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