Living With The 6 Failure Patterns
How To Manage Each Failure Pattern With An Effective Maintenance Strategy
Most maintenance and reliability professionals have seen the six failure patterns (or failure hazard plots), described by Nowlan and Heap. In case you are unfamiliar with them, you can learn more about them in a previous article on them. Here is a quick summary to jog the memory, just in case.
- A. Bathtub Curve – accounts for approximately 4% of failures
- B. Wear Out – accounts for approximately 2% of failures
- C. Fatigue – accounts for approximately 5% of failures
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