PEC材料工程英语证书考试-材料试验词汇AAdherence—--——TheStraininthedirectionthattheloadisapplied,—Amachinecircuitboard,—AsteelpinthatconnectsagriporjigtoaneyeendAutoReturn—AutoReturn,whensettoon,—;rather,,materialsspecificationssometimesrequirethataspecimenbebenttoaspecifiedinsidediameter(ASTMA-360,steelproducts).AbendtestforDuctilityofweldsisgiveninASTME-——Stress(tensileloaddividedbyareaofbond)——pression,,,——(E)andPoisson'sRatio(r)bythefollowingequation:BulkModulusK=E/3(1-2r).CleavageStrength—Tensileloadrequiredtocauseseparationofa1--to-metaladhesivebondundertheconditionssetinASTMD-
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