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ABSTRACT摇Byanalyzingthethermal/mechanicalsimulationtestdataunderdynamicrecrystallization(DRX)ofcoldheadingsteel SCM435inatemperaturerangeof950to1150益andastrainraterangeof0郾1to1s -1 ,suchcharacteristicvaluesascriticalstrain着 c , peakstrain着 p ,criticalstress滓 c andpeakstress滓 p werederivedfromthecurvesof...
Table4 MechanicalpropertiesofSCM435steelwirerodbyrollingtechniqueparameterbeforeandafterprocessimprovement 工艺 抗拉强度 /MPa 断面收缩率 /% 原始工艺 试验工艺 880～1010(956均值) 25～45(35均值) 830～960(905均值) 38～56(40均值) 明显改善。显微组织和晶粒度改善的同时,也是盘 条的抗拉强度降低,断面收缩率升...