单词 | stress concentration |
释义 | > as lemmasstress concentration stress concentration n. (often as a modifier) a local increase in the stress inside an object; (also) a feature in the shape or composition of an object that gives rise to such an increase. ΘΚΠ the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > local increase in stress concentration1915 1915 Jrnl. Amer. Soc. Mech. Engineers Mar. 192/2 An engineering structure can be partially relieved from stress concentration due to the presence of the hole by filling the hole with the plug. 1951 J. Lewin Considerations Choice Working Stresses (Assoc. Engin. & Shipbuilding Draughtsmen) i. 15 The ratio of the true maximum stress to the stress calculated assuming uniform distribution is called the stress concentration factor. 1977 E. J. Hearn Mech. of Materials xviii. 477 If..stress concentrations such as notches, keyways, holes, etc., are present in the bar, these will result in local stress increases. 1990 Mech. Engin. June 62/1 If steels have a flaw, hydrogen tends to diffuse to the stress concentration region and can initiate cracking. 2018 J. M. Gosline Mech. Design Struct. Materials in Animals viii. 95 This notch will create a stress concentration at its tip that will likely initiate the growth of the flaw. < as lemmas |
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