ASTM D412-2006a 硫化橡胶、热塑橡胶和热塑合成橡胶张力的标准试验方法

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【英文标准名称】:StandardTestMethodsforVulcanizedRubberandThermoplasticElastomers-Tension
【原文标准名称】:硫化橡胶、热塑橡胶和热塑合成橡胶张力的标准试验方法
【标准号】:ASTMD412-2006a
【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(ASTM)
【起草单位】:D11.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:天然橡胶;特性;橡胶;合成橡胶;抗拉应力;试验
【英文主题词】:elongation;setafterbreak;tensileproperties;tensileset;tensilestrength;tensilestress;yieldpoint;
【摘要】:Allmaterialsandproductscoveredbythesetestmethodsmustwithstandtensileforcesforadequateperformanceincertainapplications.Thesetestmethodsallowforthemeasurementofsuchtensileproperties.However,tensilepropertiesalonemaynotdirectlyrelatetothetotalenduseperformanceoftheproductbecauseofthewiderangeofpotentialperformancerequirementsinactualuse.Tensilepropertiesdependbothonthematerialandtheconditionsoftest(extensionrate,temperature,humidity,specimengeometry,pretestconditioning,etc.);thereforematerialsshouldbecomparedonlywhentestedunderthesameconditions.Temperatureandrateofextensionmayhavesubstantialeffectsontensilepropertiesandthereforeshouldbecontrolled.Theseeffectswillvarydependingonthetypeofmaterialbeingtested.Tensilesetrepresentsresidualdeformationwhichispartlypermanentandpartlyrecoverableafterstretchingandretraction.Forthisreason,theperiodsofextensionandrecovery(andotherconditionsoftest)mustbecontrolledtoobtaincomparableresults.1.1Thesetestmethodscoverproceduresusedtoevaluatethetensile(tension)propertiesofvulcanizedthermosetrubbersandthermoplasticelastomers.Thesemethodsarenotapplicabletoeboniteandsimilarhard,lowelongationmaterials.Themethodsappearasfollows:TestMethodA-DumbbellandStraightSectionSpecimensTestMethodB-CutRingSpecimensNote1Thesetwodifferentmethodsdonotproduceidenticalresults.1.2ThevaluesstatedineitherSIornon-SIunitsshallberegardedseparatelyasnormativeforthisstandard.Thevaluesineachsystemmaynotbeexactequivalents;thereforeeachsystemmustbeusedindependently,withoutcombiningvalues.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060;83_060
【页数】:14P.;A4
【正文语种】:

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