【英文标准名称】:GuideforMetallographicIdentificationofMicrostructureinCementedCarbides
【原文标准名称】:硬质合金中微观结构金相鉴定指南
【标准号】:ASTMB657-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:B09.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金相学;金属;烧结金属;试验
【英文主题词】:cementedcarbides;hardmetals;microstructure;powdermetallurgy
【摘要】:Themicrostructureofacementedcarbideaffectsthematerialrsquo;mechanicalandphysicalproperties.Thisguideisnotintendedtobeusedasaspecificationforcarbidegrades.Producersandusersmayusethemicrostructuralinformationasaguideindevelopingtheirownspecifications.1.1Thistestmethodcoversapparatusandproceduresforthemetallographicdeterminationofmicrostructuresincementedtungstencarbides.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.PrecautionsapplyingtouseofhazardouslaboratorychemicalsshouldbeobservedforchemicalsspecifiedinTable1.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:6P.;A4
【正文语种】: