2023年全國碩士研究生考試考研英語一試題真題（含答案詳解+作文范文）_第1頁
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1、Designation:D1708?13StardTestMethodfTensilePropertiesofPlasticsbyUseofMicrotensileSpecimens1ThisstardisissuedunderthefixeddesignationD1708thenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladoptionintheca

2、seofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.ThisstardhasbeenapprovedfusebyagenciesoftheU.S.DepartmentofDefe

3、nse.1.Scope1.1Thistestmethodcoverscertainmaterialspecificationsfwhichahistyofdatahasbeenobtainedusingthestardmicrotensilespecimen.IngeneralthistestmethodissupersededfgeneralusebyeitherTestMethodsD882TestMethodD638.Thever

4、ysmallTypeVspecimeninTestMethodD638istherecommendedspecimenwhenlimitedamountsofmaterialareavailable.1.2Thistestmethodcoversthedeterminationofthecomparativetensilestrengthelongationpropertiesofplasticsinthefmofstardmicrot

5、ensiletestspecimenswhentestedunderdefinedconditionsofpretreatmenttemperaturehuitytestingmachinespeed.Thismethodisapplicablewhenusingspecimensofanythicknessupto3.2mm(1?8in.)includingthinfilms.1.3Thistestmethodcannotbeused

6、fthedeterminationofmodulusofelasticity.FthedeterminationofmodulusseeTestMethodD638TestMethodsD882.1.4Testdataobtainedbythistestmethodarerelevantappropriatefuseinengineeringdesign.1.5ThevaluesstatedinSIunitsaretoberegarde

7、dasstard.Thevaluesgiveninparenthesesarefinfmationonly.1.6Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstardtoestablishappropriatesafetyhealthpracticesd

8、eterminetheapplicabilityofregulatylimitationspritouse.NOTE1—ThereisnoknownISOequivalenttothisstard.2.ReferencedDocuments2.1ASTMStards:2D618PracticefConditioningPlasticsfTestingD638TestMethodfTensilePropertiesofPlasticsD8

9、82TestMethodfTensilePropertiesofThinPlasticSheetingD883TerminologyRelatingtoPlasticsD4000ClassificationSystemfSpecifyingPlasticMaterialsD5947TestMethodsfPhysicalDimensionsofSolidPlasticsSpecimensD6988GuidefDeterminationo

10、fThicknessofPlasticFilmTestSpecimensE691PracticefConductinganInterlabatyStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—DefinitionsoftermsapplyingtothistestmethodappearinTerminologyD883TestMethodD638

11、AnnexA2.4.SignificanceUse4.1Thistestmethodprovidesdatafqualitycontrolacceptancerejectionunderspecifications.4.2BefeproceedingwiththistestmethodreferenceshouldbemadetotheASTMspecificationofthematerialbeingtested.Anytestsp

12、ecimenpreparationconditioningdimensionstestingparameterscombinationthereofcoveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecificationsthenthedefaultconditions

13、hereinapply.Table1ofClassificationSystemD4000liststheASTMmaterialsstardsthatcurrentlyexist.1ThistestmethodisunderthejurisdictionofASTMCommitteeD20onPlasticsisthedirectresponsibilityofSubcommitteeD20.10onMechanicalPropert

14、ies.CurrenteditionapprovedSept.12013.PublishedSeptember2013.iginallyapprovedin1959.Lastpreviouseditionapprovedin2010asD170810.DOI:10.1520D170813.2FreferencedASTMstardsvisittheASTMwebsitewww.astm.gcontactASTMCustomerServi

15、ceat.FAnnualBookofASTMStardsvolumeinfmationrefertothestard’sDocumentSummarypageontheASTMwebsite.ASummaryofChangessectionappearsattheendofthisstardCopyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA1942

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