【英文标准名称】:StandardTestMethodforEffectiveCaseDepthofFerrousPowderMetallurgy(P/M)PartsUsingMicroindentationHardnessMeasurements
【原文标准名称】:通过微压痕硬度测量铁粉末冶金部件有效硬化层深度的标准试验方法
【标准号】:ASTMB934-2004a
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B09.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:表面硬化层厚度;铁类的冶金;粉末冶金;压痕;有效;硬度测量
【英文主题词】:casedepth;effectivecasedepth;powdermetallurgy;P/M
【摘要】:TheengineeringfunctionofmanyP/Mpartsmayrequireanexteriorportionoftheparttohaveaspecifiedcasedepthandmicroindentationhardness.Measurementofeffectivecasedepthisusedtodeterminethedepthtowhichthemicroindentationhardnessoftheexteriorportionofaparthasbeenincreasedoverthatoftheinteriorofthepart.1.1Thistestmethodcoversaprocedurefordeterminationoftheeffectivecasedepthofpowdermetallurgy(P/M)parts.1.2Amicroindentationhardnesstraverseprocedureisdescribedtodetermineeffectivecasedepth.Thistestmethodmaybeusedtodeterminetheeffectivecasedepthforalltypesofhardenedcases.1.3Theprocedurefordeterminingthemicroindentationhardnessofpowdermetallurgymaterials,asdescribedinTestMethodB933shallbefollowed.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:4P.;A4
【正文语种】: