材料成型教案

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10821231131weldingarcweldingjoint20062084(1)2(2)1(3)1(1)(2)236-8201020063086(1)2(2)2(3)2(1)(2)slagslagsystemslagdetachablity35-81020102006408411213141OSPCsubstitutionaryoxydationdiffusibleoxydationdesoxydationdiffusibledesoxydationprecipitationdesoxydationdesulphurizationdephosphorization2-57201020065084112132(1)(2)heat-affectedzonecontinuouscoolingtransformationweldingthermalcycleincrementalstraintheorystrainrate9-14201020066087333(1)(2)weldingcrackhotcrackcoldcrackgasporeinclusion3~713-1415-192010200670821211(3)1deformationplasticitymetalforming1~7201020038086(1)1(2)1(3)2(4)1(5)1(1)(2)stressstressstateprincipalstressoctahedralstreeequivalentstressmaximumshearstreestreetensordeviatoricstreetensorsphericalstress1~56-91~3201020039085(1)1(2)2(3)1(4)1(1)(2)deformationstrainnominalstrainengineeringstraintruestrainlogarithmicstrainequivalentstrainstrainstatestrainrateplanestrainstate1~56-72010200310084(1)TrescaMises2(2)2(1)TrescaMises(2)elastic-perfectlypalsticrigid-perfectlypalsticyieldyieldcriteriaTresca:TrescayieldcriterionmaximumshearstresscriterionMises:MisesyieldcriterionenergycriteriionyieldtrackyieldsurfaceintermediatestressLodeparameterofstress1~45~62010200311083(1)1(2)2(1)(2)elasticitypalsticitystress-straincutvetotalstraintheoryincrementalstraintheorystrainrate1~45~620102003120822(3)(4)truestressnominalstrainengineeringstraintruestrainlogarithmicstrainhomogeneousdeformationnon-homogeneousdeformationstress-straincurve1~34~52010200313082(1)1(2)1(1)(2)residualstressadditionalstresshomogeneousdeformationnon-homogeneousdeformationfrictionfrictionforcelubrucationlubricant1~72010200314083(1)1(2)1(3)1(1)(2)slabmethodcompressionextrusion12~420102003

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