【英文标准名称】:StandardTestMethodforBallPunchDeformationofMetallicSheetMaterial
【原文标准名称】:金属薄板材球击变形的标准试验方法
【标准号】:ASTME643-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E28.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Ballpunchdeformationtest;Deformation--metals/alloys;Ductility--metals/alloys;Erichsentest;Metallicsheetmaterials;Olsencuptest;Steelsheet
【摘要】:Theballpunchdeformationtestiswidelyusedtoevaluateandcomparetheformabilityofmetallicsheetmaterials.Biaxialstretchingisthepredominantmodeofdeformationoccurringduringthetestand,therefore,theresultsaremostoftenusedtorateorcomparematerialsthataretobeformedmainlybystretching.However,precisecorrelationsbetweenthecupheightasdeterminedbythistestandtheformabilityofasheetmaterialunderproductionconditionshavenotbeenestablished.Itisrecognizedthatthecupheightsforspecimensfromthesamesamplemayvarywithdifferencesinmagnitudeofhold-downforce,lubrication,andmethodofendpointdetermination.TheproceduresdescribedinSections5,7.1,and7.3willminimizethesevariations.1.1Thistestmethodcoverstheprocedureforconductingtheballpunchdeformationtestformetallicsheetmaterialsintendedforformingapplications.Thetestappliestospecimenswiththicknessesbetween0.008and0.080in.(0.20and2.00mm).1.2Thevaluesstatedininchx2013;poundunitsaretoberegardedasthestandard.Note18212;TheballpunchdeformationtestisintendedtoreplacetheOlsencuptestbystandardizingmanyofthetestparametersthatpreviouslyhavebeenlefttothediscretionofthetestinglaboratory.Note28212;ThemodifiedErichsentesthasbeenstandardizedinEurope.ThemaindifferencesbetweentheballpunchdeformationtestandtheErichsentestarethediametersofthepenetratorandthedies.ErichsencupheightsaregiveninSIunits.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H23
【国际标准分类号】:77_040_10
【页数】:4P.;A4
【正文语种】:英语