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金属学报 1959
THEWORKHARDENINGOFMETALSININDUSTRIALPROCESSESOFPLASTICDEFORMATION, PP. 139-142 Abstract: Ifaplasticmetalissubjectedtopermanentdeformation,thenduetothechangesoccurringincrystallographiclatticethemetalaltersitsproperties.Experimentscarriedoutbymanyinvestigatorsprovethattheultimatestrength,theyieldstrengthandhardnessin-creasewiththedeformation,ontheotherhand,theelongationdecreases,theimpactvalueandreductionofareaalsochange.Fig.1illustratestheeffectofcoldworkbydrawingonthemechanicalpropertiesofanarmcoironaccordingtoW.BroniewskiandJ.Krol.
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