 ##  [Leak-Before-Break](/leak-break) 

  ##  [Leak-Before-Break](https://engineering.quantumdictionary.io/leak-break-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A structural‑integrity concept and design criterion asserting that a through‑thickness crack or defect in a pressure‑boundary will produce a detectable leak before it propagates catastrophically to fracture, provided material, geometry, loading and detection conditions permit stable crack growth and leak detection.