California glass expert performs a root cause failure analysis on a failed tempered glass pot cover. The pot cover failed “spontaneously” in the users home, and the handle with captured glass was submitted to the California failure analysis lab for evaluation. The failure was caused by the interaction of the handle hardware (i.e. cup washer) […]
CA Glass Expert Performs Bottle Failure Analysis
Overview of Assembled Bottle 8X Mag. View of Origin on Bottle 40X Mag. View of Origin on Neck 40X Mag. California glass expert was asked perform a glass failure analysis on numerous small cosmetic bottles. These bottles all failed where the neck intersected the shoulder of the bottle. Microscopic photos of a representative failure are […]
Tempered Glass Expert Discusses Glass Edge Finish
California glass expert discusses the importance of edge finish on tempered glass. Tempered soda lime glass has replaced low expansion borosilicate glass for small oven doors and glass tops for cookware. This reduces costs, but can reduce reliability. One important aspect of these tempered glass pieces is the edge quality. Poor edge finishing can introduce […]
Tempered Glass Expert Discusses Edge Finish
Tempered glass expert reminds those using tempered glass as oven doors or in other applications where the glass will be non-uniformly heated that the glass edge finish is critical. If the center of the glass door is heated first, the door edge is put into tension. If the edging is poorly done, the door […]
Sewer Pipe Failure Analysis
Failure expert performs a failure analysis on a cracked drain pipe removed from a high rise building. The pipe drained rainwater from the roof down to the ground This 2 3/4″ OD cast iron pipe began to fail after approximately 12 years of service. The upper left photo is an overview of a piece of […]
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