9/26/2013· Failure Analysis

Forensic Clues: Seat Belt Failure

By: John Ryan, BSME, PE

In 2007, an estimated 15,147 lives were saved from seat belt use. Seat belts save five times more lives than airbags, according to statistics released by NHTSA. Seat belt use has increased over the years, due to cultural trends, and possibly due to the enactment of seat belt use laws. Seat belt systems do not always function as predicted. Seat belt systems can fail during a collision, often resulting in serious injury or death to the vehicle occupant.

1/28/2006· Failure Analysis

Wine Bottle Failure Analysis

By: Dr. Thomas Read

Note: Glass Fractography is the most effective method for determining why a glass object, such as a bottle, failed. This technique consists of examining the fracture surfaces of the failure for artifacts such as Wallner lines and using them to trace the crack back to its origin

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.