3/29/2012· Failure Analysis
Failure Analysis: Collapse of Plastic Chair
By: Dr. Thomas Read
A failed plastic lawn chair was examined to determine the cause of failure. This chair failed on the premises of a restaurant In this study the subject chair is examined and compared to several exemplar purchased at the same time. The objective of this study is to determine the cause of failure.
12/20/2013· Failure Analysis
Outboard Boating Engine Accident: Mechanical Failure Analysis
By: Gerald Davis
A severe personal injury incident occurred as a recreational fishing boat was approaching a dock at approximately 20 mph after a day on the water. The large outboard engine (75 HP) on the stern of the boat struck a fixed underwater obstruction, flipped into the boat while still running and amputated the hand of a passenger seated near the engine.
2/17/2023· Failure Analysis
Design Defect Failure Analysis of Water Shut Off Valve
By: Dr. Thomas Read
When this type of valve is open a rubber seal around the valve stem prevents leaking. In this case, the poly acetate stem deteriorated due to the presence of hot chlorinated water This allowed water to leak out. Over time the leak rate increased.
