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COMPONENT FAILURE MUSEUM

The main sections of the museum are listed below;

Metal Fatigue
Manufacturing Faults
Bicycle Components
Corrosion
Polymers
Composite Materials

Tools of the trade, some ways to investigate problems;
Photoelasticity
Dye penetrant testing

Glossary
of materials engineering terms

 

Helical gear failure

Click on picture below for full size image.

 Helical gear failure & secondary damage

This helical gear failed by fatigue cracking and fast fracture as is usual.
However the detached teeth destroyed the rest of the attached gear / differential assembly and caused disproportionate secondary damage.

Return to metal fatigue section

ed:AG 17/12/01

 
 
© 2005 Materials Engineering - Page last modified 18-Dec-2007