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 […]
Failure Analysis of Glass Pot: Visions Cookware
A failure analysis was performed on a broken 5 quart stove top glass pot. The origin was determined with optical microscopy, and the broken pot was assembled to show how cracking proceeded. The re-assembled pot is shown upside down in the upper left photograph. The failure originated at a preexisting “chip” on the interior at […]
Glass Expert Discusses Termpered Glass Cookware
Modern Pyrex glass cookware is now made from tempered soda lime glass. As a result, there is a potential that the tempered glass failure will create dangerous projectiles. In one case it was found that if the temper glass stresses are not symmetrical, flying glass pieces will occur. In the present case, tempered glass cookware […]