Read Consulting performed a failure analysis on a pair of safety glasses involved in a reported accident. These glasses are intended to be used by X-ray technicians. The failed lens is fully annealed glass; it appears the glass failure was the result of an impact on the lens inside surface by a hard, small diameter […]
Appliance Glass Failure: Glass Failure on a Clothes Washer Door
Read Consulting was engaged to perform a glass fracture analysis on a broken clothes washer door failure. The glass is 5mm thick heat strengthened glass. It was claimed that the glass failed “spontaneously” and caused an injury. Examination of the glass remaining on the door revealed that the glass failed from impact. There is a […]
Plastic Failure Expert Analyzes a Failed Plastic Lawn Chair
Read Consulting was engaged to examine a failed polypropylene (PP) lawn chair used poolside in a desert environment. In this type of environment, air temperatures can reach higher than 110°F. This means the surface of a dark chair can reach temperatures higher than 150°F. Previous studies on polypropylene plumbing failures have shown that hot chlorinated […]
Failure Analysis on Photo Voltaic (PV) Cover Glass.
Read Consulting a California failure analysis laboratory was charged with performing a root cause failure analysis of several broken PV module glass covers. The glass covers are heat strengthened glass; they have a surface compression of 4500 psi to 7000 psi. They are cemented to the solar cell panels with a transparent adhesive. A representative […]
Analysis of Tempered Glass Doors Failures
Read Consulting, a California failure analysis laboratory, was asked to determine the root cause of the failure of tempered glass patio doors. Installed in 2019–2020-time frame. A year after installation several glass doors spontaneously failed. Read Consulting performed a root cause failure analysis on representative doors. The results indicate that the plate glass (i.e., the […]
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