ASTM A1038-2010a 用超声波接触阻抗法进行便携式硬度测试的标准试验方法

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【英文标准名称】:StandardTestMethodforPortableHardnessTestingbytheUltrasonicContactImpedanceMethod
【原文标准名称】:用超声波接触阻抗法进行便携式硬度测试的标准试验方法
【标准号】:ASTMA1038-2010a
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A01.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:便携式硬度测试;表面硬度;超声波接触阻抗法(UCI);维氏金刚石压头;硬度试验
【英文主题词】:portablehardnesstesting;superficialhardness;ultrasoniccontactimpedance(UCI);vickersdiamondindenter;Hardnesstests
【摘要】:Thehardnessofamaterialisadefinedquantityhavingmanyscalesandbeingdependentonthewaythetestisperformed.Inordertoavoidthecreationofanewmethodinvolvinganewhardnessscale,theUCImethodconvertsintocommonhardnessvalues,forexample,HV,HRC,etc.TheUCIhardnesstestisasuperficialdetermination,onlymeasuringthehardnessconditionofthesurfacecontacted.Theresultsgeneratedataspecificlocationdonotrepresentthepartatanyothersurfacelocationandyieldnoinformationaboutthematerialatsubsurfacelocations.TheUCIhardnesstestmaybeusedonlargeorsmallcomponentsatvariouslocations.Itcanbeusedtomakehardnessmeasurementsonpositionsdifficulttoaccess,suchastoothflanksorrootsofgears.1.1ThistestmethodcoversthedeterminationofcomparativehardnessvaluesbyapplyingtheUltrasonicContactImpedanceMethod(UCIMethod).1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:19_100
【页数】:8P.;A4
【正文语种】: