5/14/2013· Failure Analysis

Forensic Clues: Rear-End Collisions and Automobile Seat Failure

By: John Ryan, BSME, PE

Two and a half million rear-end collisions occur every year. Rear-end collisions are usually caused by driver inattentiveness.

11/11/2013· Failure Analysis

Forensic Clues: Powered Winch Accidents

By: John Ryan, BSME, PE

Powered winches are in use in a variety of applications, some of the most common include vehicle-mounted electric winches, marine vessel winches, marine recovery winches, industrial winches and chain hoists. Accidents occur in all types of winch uses.

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.