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【英文标准名称】:StandardTestMethodforDeterminationofTransformationTemperatureofNickel-TitaniumShapeMemoryAlloysbyBendandFreeRecovery
【原文标准名称】:通过弯曲和自由回复试验测定镍钛形状记忆合金转变温度的标准试验方法
【标准号】:ASTMF2082-2006
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:合金;测定;测量;镍;镍合金;温度;试验方法;钛;钛合金;变换
【英文主题词】:freerecovery;nickeltitanium;nitinol;shapememory;transformationtemperature
【摘要】:Thistestmethodprovidesarapid,economicalmethodfordeterminationoftransformationtemperatures.Measurementofthespecimenmotioncloselyparallelsmanyshapememoryapplicationsandprovidesaresultthatisapplicabletothefunctionofthematerial.Thistestmethoduseswire,tube,orstripsamples;thus,itisabletoprovideanassessmentoftheproductinitssemifinishedform.Thistestmethodmaybeusedonannealedsamplestodeterminethetransformationtemperaturesandassurethealloyformulation,sincechemicalanalysisisnotpreciseenoughtodetermineadequatelythenickel-to-titaniumratioofshapememoryalloys.Transformationtemperaturesderivedfromthistestmethodmaydifferfromthosederivedfromothermethodsasaresultofeffectsofstrainandloadonthetransformationtemperature.ThetestmethodisapplicabletoshapememoryalloyswithAftemperaturesintherangeofapproximatelyx2013;25to+90x00B0;C.1.1Thistestmethoddescribesaprocedurefordeterminingthemartensite-to-austenitetransformationtemperaturesofeitherfully-annealedorheat-treatednickeltitaniumalloysbymeasuringthedeformationrecoveredduringthethermaltransformation.1.2ThevaluesinSIunitsaretoberegardedasthestandard.Thevaluesgivenininch-poundunitsareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H64
【国际标准分类号】:77_120_50
【页数】:7P.;A4
【正文语种】: