California glass expert performed a failure analysis on a failed wine glass. Glass failure analysis requires locating the fracture origin. The origin is then analyzed microscopically to determine the cause of failure. In this case the failure origin was on the rim of the glass. At the failure origin is a very small mirror fracture […]
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.
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” […]
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 […]
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 […]
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 […]