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 […]
Read Consulting Failure Analysis Blog
In addition, READ CONSULTING provides services to industry in the areas of failure analysis, process development and process improvement. Read Consulting is prepared to use its experience and expertise to analyze customers' specific problems.
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 […]
Glass Expert Witness Discusses Tempered Glass Fracture Surface
California failure analysis expert witness examines two distinct fracture surfaces for tempered glass failures. According to the tempered glass expert witness, the surfaces of tempered glass are under compressive stress. This stress is balanced by an “equivalent” tensile stress in the center of the glass. Tempered glass failures are really the end result of self destruction. […]
California Glass Expert Witness Discusses Bending Failure of Tempered Glass
California Glass Expert performs a failure analysis on a tempered glass oven door that failed in bending. Normally the fracture surface of tempered glass shows two sets of Wallner lines that are separated by a band of mist hackle. However if the tempered glass window failure is due to bending, the band of mist hackle […]
California Glass Expert Examines the Edge of Tempered Glass
California glass expert uses a grazing angle surface profilometer (GASP) to study the compressive stresses at the edge of a tempered glass oven door. The edge effects during the air quench step of the thermal temper process are said to lower the surface stress to zero near the edge of the glass article. In fact, […]
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