The glass experts at Read Consulting in Santa Rosa California performed a glass failure analysis on a borosilicate glass blender jar that failed in a glass thermal shock test as a part of product qualification. The jar is operated with a stainless steel spoon inside. It is then subjected to thermal shock test by heating […]
Coffee Pot Failure Analysis
A failure analysis was performed on a glass coffee press. In this case the glass coffee pot is a 0.085″ thick borosilicate glass 3.7″ diameter cylinder that is 7″ high. It had received a blow on the top rim, and it broke into approximately 10 pieces. Because the pot is a cylinder, the blow from […]
Failure Analysis: “Exploding” Coffee Pot
California failure analysis expert was presented with the claim that a coffee pot had “exploded” when replaced on the coffee warmer in a convenience store.First of all, there is no “stored” energy to cause an explosion. The coffee is not under pressure, and the pot is made from annealed borosilicate glass. In addition, the broken […]
Plumbing Failure Analysis: Failure Analysis of a Water Flow Indicator
A California failure analysis expert performs a failure analysis on a broken water flow indicator. This flow indicator was in a large building, and as a result of the failure, there was substantial damage. The flow indicator consisted of a glass dome clamped into a metal housing.The failure originated where the flange of the glass […]
Pyrex Glass Failure Analysis: Glass Baking Dish Failure Analysis
California glass expert witness performed a failure analysis on a pyrex glass baking dish. This dish was made from pyrex borosilicate glass, and the glass failure occured as the dish was being removed from the oven. The failure initiated at an internal glass defect. The defect appears to be a colapsed bubble (seed) in the […]