【英文标准名称】:StandardTestMethodforMicroindentationHardnessofPowderMetallurgy(P/M)Materials
【原文标准名称】:粉末冶金材料的微压痕硬度的标准试验方法
【标准号】:ASTMB933-2004
【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】:
【英文主题词】:Knoopmicroindentationhardness;microindentationhardness;P/M;powdermetallurgy;Vickersmicroindentationhardness
【摘要】:Microindentationhardnesstestingprovidesameasureofthehardnessofthemicrostructuralconstituentsofaporousmaterial.Itindicatesthehardnessthematerialwouldhaveiftherewerenoporespresentandthematerialwastestedusingmacroindentationhardnessmethods.Microindentationhardnesstestsallowtheevaluationofspecificphases,microstructuralconstituents,andregionsorgradientstoosmallformacroindentationhardnesstesting.1.1Thistestmethodcoversthedeterminationofthemicroindentationhardnessofpowdermetallurgy(P/M)materials.Thetestmethoddiffersfromtheapproachusedforpore-freematerialsintermsoftheprecautionsrequiredtodealwiththeporosity.1.2Amethodforconvertingthedirectlymeasuredindentationlengthstootherhardnessscales,forexample,HRCisdescribedinAppendixX1.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【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】: