Oct 14, 2012 05:08
11 yrs ago
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English term

fatigue cracks

English Tech/Engineering Petroleum Eng/Sci
Do not have the weight of items concentrated over limited sections of the rig. It may promote structural failure, resulting in severe corrosion, or more serious fatigue cracks or brittle fractures.

What is meant by fatigue cracks.

Responses

+6
1 hr
Selected

fissure, rupture resulting from cyclic stresses that are below the ultimate tensile stress

The name “fatigue” is based on the concept that a material becomes “tired” and fails at a stress level below the nominal strength of the material
Peer comment(s):

agree Jack Doughty
5 mins
agree David Moore (X)
51 mins
agree Phong Le
1 hr
agree PoveyTrans (X)
1 hr
agree claude-andrew
2 hrs
agree Didier Fourcot : http://www.ndt-ed.org/EducationResources/CommunityCollege/Ma...
1 day 1 hr
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5 mins

a split/break/fissure produced by the weariness of the materials used for the construction

I hope this helps. Good luck.
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