【英文标准名称】:StandardTestMethodforGreenStrengthforCompactedMetalPowderSpecimens
【原文标准名称】:金属粉末密压试样未烧结强度的标准试验方法
【标准号】:ASTMB312-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属粉末;材料强度;试验
【英文主题词】:constantloadingbeamdevice;greenstrength;P/M;powdermetallurgy;unsinteredcompact;NumberCode77.160(Powdermetallurgy)
【摘要】:Thetestforgreenstrengthofacompactedmetalpowderisusefulasa:5.1.1Methodtorelatetheresistanceofapressedcompacttobreakageordamageduetohandling.5.1.2Meansofqualitycomparisonofmetalpowder,lottolot.5.1.3Methodofdeterminingtheeffectofadditionstoabasepowder.Significantvariationsingreenstrengthwilloccurifthedensitytoleranceofthepressedbarisexceeded.1.1Thistestmethodcoversdeterminationofthegreenstrengthofunsinteredcompactedmetalpowderspecimensbysubjectingthemtoauniformlyincreasingtransverseloadingundercontrolledconditions.Thetermgreenstrength,asusedherein,definesthestress,calculatedfromtheflexureformula,requiredtobreakaspecimenasasimplebeamsupportedneartheendsandapplyingtheforcemidwaybetweenthefixedlinecenterofthesupports.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIequivalentsareinparenthesesandmaybeapproximate.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】: