Inspecting for Fatigue
Author: J. E. Jones
Source: May 1983_Welding Journal
Doc ID: 1983052
Year of Publication: 1983
Abstract:
Proper welding technique, procedure, and consumable
selection are quite important to successful repair of heavy
equipment. However, if the elusive fatigue crack propagates
too far without being observed, then disaster may occur,
despite the best efforts of the maintenance engineer, foreman
and repair crew. By using appropriate inspection
techniques, fatigue cracks can often be detected and
repaired before the strength or stability of a piece of heavy
equipment is degraded below minimum requirements for
service. In addition, errors or oversights in design or manufacturing
which produce potential sites for initiation of
fatigue cracking can be identified and modified or repaired
before fatigue cracking has a chance to get started.
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