Wine Bottle Failure Analysis

Glass failure analysis expert locates the origin of a failed wine bottle. Thye failure origin is at the top of the bottle on the inside rim. The origin is a crush spot on the inner rim. This was too high to be caused by a cork screw. It is believed that the damage occured before the bottle was purchased. Root cause of the failure is mechanical damage to the top of the bottle on the inner rim of the neck.

Glass Damage from Weld Spatter

At a new condminium complex, numerous windows were discovered to have been damaged by weld spatter. Upper left is a photograph of typical damage found on the affected windows. A glass expert examined the damage to determine if the windows could be repaired. A glass failure analysis was performed to evaluate the damage level. Microscopic examination showed that the damage was below the surface. The damage depth varied from 0.05 mm to 0.3 mm deep. The photo on the upper right is a 20X photo micrograph of the glass damage. The round part of damage is 0.3 mm deep. The failure analysis expert deems these windows unrepairable. They must be replaced.