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单词 notch toughness
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notch toughness
notch toughness n. Materials Science resistance to fracture at a notch; spec. the result (in units of energy) of a notched-bar test on a specimen.
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the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > specific susceptibility to fracture > result of notched-bar test
notch toughness1926
1926 Jrnl. Iron & Steel Inst. 113 624 This method of testing enables it to be judged whether a material has been brought to its best condition in regard to notch-toughness.
1981 Philos. Trans. (Royal Soc.) A. 299 10 A special grade of steel..that had a notch toughness capable of reducing to a low level the risk of brittle fracture in the more highly stressed regions of the hull.
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