A failure analysis was performed on a toilet tank that had caused water damage to a residence. This failure initiated at a hold down bolt hole. This tank was 14 years old. Originally it was proposed that thus porcelain failure was the result of a manufacturing defect. The root cause failure analysis shows that the […]
Plumbing Failure Analysis
Northern California failure analysis expert often performs plumbing failure analysis. In this case, the corrosion expert examines plumbing in numerous houses that were plugged due to brass dezincification of yellow brass. In this case, the zinc in the copper-zinc alloy corrodes selectively and this leaves a white deposit on the interior of the pipe. The […]
Failure Analysis Expert Examines a Broken Champagne Bottle
A California failure analysis expert witness was asked to perform a glass failure analysis on a champagne bottle that had failed “spotnaeously”. Because champagne is under pressure and in glass, there are warnings not to use a cork screw to remove the cork. However, there are cases where the cork is stuck and people will […]
Safety Glass Expert Performs Tempered Glass Analysis
Glass failure analysis often requires understanding of safety glass. Normal window glass is in the annealed state. Therefore, it will break into large sharp shards that can injure a person who breaks through it. In order to reduce the probability of failure and the possibility of injury […]
Similarities of Fatigue Failures in Various Materials
A California materials expert has performed hundreds of materials failure analysis on a wide variety of materials. Surprisingly fatigue failures have the same appearance regardless of type of material. Above are three examples of fatigue. Upper left is a sample of a rubber fatigue failure. This is very similar in appearance to the CPVC pipe […]
- « Previous Page
- 1
- …
- 35
- 36
- 37
- 38
- 39
- …
- 60
- Next Page »