ANSI/ASTM D4065-2001 塑料动态机械特性测定和报告惯例

作者:标准资料网时间:2024-05-17 09:01:53 浏览:8307 来源:标准资料网

【英文标准名称】:PracticeforDeterminingandReportingDynamicMechanicalPropertiesofPlastics(08.03)
【原文标准名称】:塑料动态机械特性测定和报告惯例
【标准号】:ANSI/ASTMD4065-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:2001-09-25
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;特性
【英文主题词】:properties;plastics
【摘要】:Thispracticeisforgeneraluseingatheringandreportingdynamicmechanicaldata.Itincorporateslaboratorypracticefordeterminingdynamicmechanicalpropertiesofplasticspecimenssubjectedtovariousoscillatorydeformationsonavarietyofinstrumentsofthetypecommonlycalleddynamicmechanicalanalyzersordynamicthermomechanicalanalyzers.Thispracticeisintendedtoprovidemeansofdeterminingthetransitiontemperatures,elastic,andlossmoduliofplasticsoverarangeoftemperatures,frequencies,ortime,byfreevibrationandresonantornonresonantforcedvibrationtechniques.Plotsofelasticandlossmoduliareindicativeoftheviscoelasticcharacteristicsofaplastic.Thesemoduliarefunctionsoftemperatureorfrequencyinplastics,andchangerapidlyatparticulartemperaturesorfrequencies.Theregionsofrapidmodulichangearenormallyreferredtoastransitionregions.Thepracticeisprimarilyusefulwhenconductedoverarangeoftemperaturesfrom160Ctopolymerdegradationandisvalidforfrequenciesfrom0.01to1000Hz.Thispracticeisintendedformaterialsthathaveanelasticmodulusintherangefrom0.5MPato100GPa[73psito1.510psi].Discrepanciesinresultsareknowntoarisewhenobtainedunderdifferingexperimentalconditions.Withoutchangingtheobserveddata,reportinginfull(asdescribedinthispractice)theconditionsunderwhichthedatawereobtainedwillenableapparentdifferencesobservedinanotherstudytobereconciled.Anassumptionofthistechniqueisthattestingisconductedintheregionoflinearviscoelasticbehavior.Differentmodesofdeformation,suchastensile,bendingandshear,areused,aslistedinthereferencedtestmethods.Testdataobtainedbythispracticearerelevantandappropriateforuseinengineeringdesign.ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninbracketsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthispracticetoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection.Note1ThispracticeisequivalenttoISO6721-1.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语

下载地址: 点击此处下载

返回跳至顶部

上一篇: ANSI/ASTM D3596-2001 普通聚氯乙烯树脂中凝胶测定惯例(08.03)
下一篇: ANSI/ASTM D5628-2001 用坠镖法(撞锤或坠落重物)测试平坦、刚性塑料样品抗冲击特性的方法