ASTM E139-2006 金属材料蠕度、蠕变断裂和应力断裂试验的标准试验方法
作者:标准资料网 时间:2024-05-05 03:22:22 浏览:9403
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodsforConductingCreep,Creep-Rupture,andStress-RuptureTestsofMetallicMaterials
【原文标准名称】:金属材料蠕度、蠕变断裂和应力断裂试验的标准试验方法
【标准号】:ASTME139-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:蠕变断裂试验;材料;机械试验;金属的;金属;抗拉应力;试验;热试验
【英文主题词】:creep;creeprate;creep-rupture;elongation;gagediameter;gagelength;originalcrosssectionalarea;plasticstrain;reductionofarea;relativehumidity;strain;stress;stressrupture;temperature;testtime;thermocouples
【摘要】:Rupturetests,properlyinterpreted,provideameasureoftheultimateload-carryingabilityofamaterialasafunctionoftime.Creeptestsmeasuretheload-carryingabilityforlimiteddeformations.Thetwotestscomplementeachotherindefiningtheload-carryingabilityofamaterial.Inselectingmaterialanddesigningpartsforserviceatelevatedtemperatures,thetypeoftestdatausedwilldependonthecriterionofload-carryingabilitythatbetterdefinestheserviceusefulnessofthematerial.1.1Thesetestmethodscoverthedeterminationoftheamountofdeformationasafunctionoftime(creeptest)andthemeasurementofthetimeforfracturetooccurwhensufficientforceispresent(rupturetest)formaterialswhenunderconstanttensileforcesatconstanttemperature.Italsoincludestheessentialrequirementsfortestingequipment.Forinformationofassistanceindeterminingthedesirablenumberanddurationoftests,referenceshouldbemadetotheproductspecification.1.2Thesetestmethodslisttheinformationwhichshouldbeincludedinreportsoftests.Theintentionistoensurethatallusefulandreadilyavailableinformationistransmittedtointerestedparties.Reportsreceivespecialattentionforthefollowingreasons:(1)resultsfromdifferent,recognizedproceduresvarysignificantly;therefore,identificationofmethodsusedisimportant;(2)laterstudiestoestablishimportantvariablesareoftenhamperedbythelackofdetailedinformationinpublishedreports;(3)thenatureofprolongedtestsoftenmakesretestimpractical,andatthesametimemakesitdifficulttoremainwithintherecommendedvariationsofsomecontrolledvariables.Adetailedreportpermitstransmittaloftestresultswithoutimplyingadegreeofcontrolwhichwasnotachieved.1.3Testsonnotchedspecimensarenotincluded.ThesetestsareaddressedinPracticeE292.1.4Testsunderconditionsofshorttimesarenotincluded.ThesetestmethodsareaddressedinTestMethodsE21.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:14P.;A4
【正文语种】:
【原文标准名称】:金属材料蠕度、蠕变断裂和应力断裂试验的标准试验方法
【标准号】:ASTME139-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:蠕变断裂试验;材料;机械试验;金属的;金属;抗拉应力;试验;热试验
【英文主题词】:creep;creeprate;creep-rupture;elongation;gagediameter;gagelength;originalcrosssectionalarea;plasticstrain;reductionofarea;relativehumidity;strain;stress;stressrupture;temperature;testtime;thermocouples
【摘要】:Rupturetests,properlyinterpreted,provideameasureoftheultimateload-carryingabilityofamaterialasafunctionoftime.Creeptestsmeasuretheload-carryingabilityforlimiteddeformations.Thetwotestscomplementeachotherindefiningtheload-carryingabilityofamaterial.Inselectingmaterialanddesigningpartsforserviceatelevatedtemperatures,thetypeoftestdatausedwilldependonthecriterionofload-carryingabilitythatbetterdefinestheserviceusefulnessofthematerial.1.1Thesetestmethodscoverthedeterminationoftheamountofdeformationasafunctionoftime(creeptest)andthemeasurementofthetimeforfracturetooccurwhensufficientforceispresent(rupturetest)formaterialswhenunderconstanttensileforcesatconstanttemperature.Italsoincludestheessentialrequirementsfortestingequipment.Forinformationofassistanceindeterminingthedesirablenumberanddurationoftests,referenceshouldbemadetotheproductspecification.1.2Thesetestmethodslisttheinformationwhichshouldbeincludedinreportsoftests.Theintentionistoensurethatallusefulandreadilyavailableinformationistransmittedtointerestedparties.Reportsreceivespecialattentionforthefollowingreasons:(1)resultsfromdifferent,recognizedproceduresvarysignificantly;therefore,identificationofmethodsusedisimportant;(2)laterstudiestoestablishimportantvariablesareoftenhamperedbythelackofdetailedinformationinpublishedreports;(3)thenatureofprolongedtestsoftenmakesretestimpractical,andatthesametimemakesitdifficulttoremainwithintherecommendedvariationsofsomecontrolledvariables.Adetailedreportpermitstransmittaloftestresultswithoutimplyingadegreeofcontrolwhichwasnotachieved.1.3Testsonnotchedspecimensarenotincluded.ThesetestsareaddressedinPracticeE292.1.4Testsunderconditionsofshorttimesarenotincluded.ThesetestmethodsareaddressedinTestMethodsE21.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:14P.;A4
【正文语种】:
下载地址: 点击此处下载