单词 | stress raiser |
释义 | > as lemmasstress raiser stress raiser n. a feature in the shape or composition of an object that gives rise to a local increase in stress. ΘΚΠ the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > local increase in > cause of stress raiser1927 1927 H. F. Moore et al. Tests Fatigue Strength Cast Iron (Univ. Illinois Engin. Exper. Station Bull. 164) 24 One very marked limitation of the use of the ordinary formulas of mechanics of materials is that they take no account of localized high stress which is developed at small holes, grooves, and other ‘stress raisers’ [note An apt term coined by Dr. H. W. Gillett of the U.S. Bureau of Standards] in machine and structural parts. 1978 R. J. Gray in J. L. McCall & P. M. French Metallogr. Failure Anal. 240 The surfaces must be free of machining marks that could serve as stress raisers where a fissure and subsequent fracture could occur. 2012 D. Sim & J. Kaminski Rom. Imperial Armour iii. 36 Wrought iron with large quantities of slag inclusions is not suitable for spinning, because the slag inclusions act as stress raisers and cause cracking. < as lemmas |
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