Obviously our clients don't want failures in the first place, but we help them solve their problems to prevent future failures. To figure out how something failed we look very closely at the fracture surface.
Below is a basic failure analysis of a bolt that had broken in two.
The fractured bolt failed from rotation and reversed bending occurring at high nominal stress. Which is to say someone pulled from Top to Bottom while trying to tighten then bolt. The dark area at the bottom is where the final tear off occurred.
Next week I will show you the elongated dimples on the fracture surface near the top using our Scanning Electron Microscope (SEM).
Forensic Engineering - Interesting stuff!
Intresting stuff
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