Glass Expert at Read Consulting is asked to assess whether a broken window or shower door was fully tempered. One method is to select the ten largest “crack free” pieces and determine if these can fit into a 10 square inch area. In the photo above, a 3″ X 3″ (approximately 10 square inches) “frame” […]
Glass Bowl Failure Analysis
A Read Consulting glass expert witness performed a glass failure analysis of a glass crack driven by thermal stresses. The failed bowl cracked in a microwave oven. Often failures with known causes can be analyzed to lend insight as to the cause of an “unknown” glass fracture. This fracture has many of the aspects of […]
Glass Bottle Failure Analysis
Larger Point Impact (1/8″ Dia.) Fracture Surface at Originof 1/8″ at 40X Small Point Impact (1/32″ Dia.) Fracture Surface at Originof 1/32″ at 40X Often bottles and other glass objects fail as a result of “point impact”. Given here are two examples of point impact failure origins discovered as a result of glass failure analysis […]
Glass Cookware Failure Analysis: Pyrex Pie Plate Failure
Fracture Surface at One Failure Origin Assembled Pie Plate Showing Several Failure Origins Read Consulting Failure analysis lab performed a glass failure analysis. An annealed borosilicate glass Pyrex baking dish failed as a result “thermal shock”. There were multiple origins for the failure, and these all initiated at damage sites on the bottom of the […]
Window Defect Analysis Capabilities
Reflected Zebra Board Image that Shows Window Roller Distortion Created During The Thermal Temper Process Window Scratches Caused by PoorCleaning Procedures The window experts at Read Consulting are often asked to evaluate windows for defects. Many of these are Low-E windows that are also tempered. Two typical defects found are scratches and roller distortion.Often the scratches […]
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