【英文标准名称】:TestMethodforTensileStrain-HardeningExponents(N-Values)ofMetallicSheetMaterials
【原文标准名称】:金属薄板材抗拉应变-硬度指数(N-值)测试方法
【标准号】:ANSI/ASTME646-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:2000-08-15
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:薄板材;金属;试验
【英文主题词】:testing;sheetmaterials;metals
【摘要】:Thistestmethodcoversthedeterminationofastrain-hardeningexponentbytensiontestingofmetallicsheetmaterialsforwhichplastic-flowbehaviorobeysthepowercurvegivenintheIntroduction.Note1-Asinglepowercurvemaynotfittheentirestress-straincurvebetweenyieldandnecking.Ifsuchisthecase,morethanonevalueofthestrain-hardeningexponentcanbeobtained(2).Thistestmethodisformetallicsheetmaterialswiththicknessesofatleast0.005in.(0.13mm)butnotgreaterthan0.25in.(6.4mm).Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIequivalentsshownmaybeapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H23
【国际标准分类号】:77_140_50
【页数】:
【正文语种】:英语