【英文标准名称】:TestMethodsforConductingCreep,Creep-Rupture,andStress-RuptureTestsofMetallicMaterials
【原文标准名称】:金属材料的传导蠕变、蠕变裂纹和应力裂纹测试方法
【标准号】:ANSI/ASTME139-2000
【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】:试验;金属的;材料
【英文主题词】:testing;materials;metallic
【摘要】:Thesetestmethodscoverthedeterminationoftheamountofdeformationasafunctionoftime(creeptest)andthemeasurementofthetimeforfracturetooccurwhensufficientforceispresent(rupturetest)formaterialswhenunderconstanttensileforcesatconstanttemperature.Italsoincludestheessentialrequirementsfortestingequipment.Forinformationofassistanceindeterminingthedesirablenumberanddurationoftests,referenceshouldbemadetotheproductspecification.Thesetestmethodslisttheinformationwhichshouldbeincludedinreportsoftests.Theintentionistoensurethatallusefulandreadilyavailableinformationistransmittedtointerestedparties.Reportsreceivespecialattentionforthefollowingreasons:(1)resultsfromdifferent,recognizedproceduresvarysignificantly;therefore,identificationofmethodsusedisimportant;(2)laterstudiestoestablishimportantvariablesareoftenhamperedbythelackofdetailedinformationinpublishedreports;(3)thenatureofprolongedtestsoftenmakesretestimpractical,andatthesametimemakesitdifficulttoremainwithintherecommendedvariationsofsomecontrolledvariables.Adetailedreportpermitstransmittaloftestresultswithoutimplyingadegreeofcontrolwhichwasnotachieved.Testsonnotchedspecimensarenotincluded.ThesetestsareaddressedinPracticeE292.Testsunderconditionsofshorttimesarenotincluded.ThesetestmethodsareaddressedinTestMethodsE21.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H23
【国际标准分类号】:77_040_10
【页数】:
【正文语种】:英语