【英文标准名称】:StandardTestMethodforTransverseRuptureStrengthofMetalPowderSpecimens
【原文标准名称】:金属粉末试样的横断裂强度的标准试验方法
【标准号】:ASTMB528-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:flexuralstrength;3PointBendTest;transverserupture;transverserupturestrength;TRS;Metalpowders;Rupture/rupturestrength;Sinteredmetalpowderparts;Transverserupturestrength
【摘要】:Thistestmethodisusedtomeasurethestrengthofsintered,includingpost-treated,specimens.Transverserupturestrengthisnotadesignvalue.Formanysinteredmaterials,transverserupturestrengthisapproximatelytwicetheultimatetensilestrength.1.1Thistestmethodcoversdeterminationofthetransverserupturestrengthofsintered,includingpost-treated,powdermetallurgytestspecimensbysubjectingthemtoauniformlyincreasingtransverseforceundercontrolledconditions.Thetermx201C;transverserupturestrengthx201D;asusedherein,definesthestress,calculatedfromtheflexureformularequiredtobreakaspecimenasasimplebeamsupportedneartheendsandapplyingtheforcemidwaybetweenthefixedlinecenterofthesupports.1.2Limitations8212;Thetransverserupturetestisonlyapplicabletorelativelybrittlematerials.Incaseswhereaductilespecimenisbeingtestedandthepermanentdeflectionasaresultoftestingexceeds0.020in.(0.50mm),thetestresultsmaybequestionable.1.3TestMethodB406shouldbeconsultedfordeterminingthetransverserupturestrengthofcementedcarbides.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_160
【页数】:3P.;A4
【正文语种】:英语