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【英文标准名称】:Dependabilitymanagement;part1:dependabilityprogrammemanagement
【原文标准名称】:可信性管理第1部分:可信性方案管理
【标准号】:IEC60300-1-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC56
【标准类型】:()
【标准水平】:()
【中文主题词】:质量;规范(验收);有关程序的可靠性;使用;指导手册;计算机软件;质量保证;标准;计算机硬件;质量管理;工作性能;验证;质量控制;可靠性管理;国际标准;质量保证体系;管理;可靠度;定义
【英文主题词】:
【摘要】:
【中国标准分类号】:L05
【国际标准分类号】:31_020;03_120_10
【页数】:21P;A4@
【正文语种】:英语


【英文标准名称】:StandardTestMethodforRubberProperty-MeasurementoftheViscousandElasticBehaviorofUnvulcanizedRawRubbersandRubberCompoundsbyCompressionBetweenParallelPlates
【原文标准名称】:通过平行板之间压缩的橡胶化合物和非含硫生橡胶黏性和弹性的橡胶特性测定的标准试验方法
【标准号】:ASTMD6049-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D11.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressionandrecovery;compressionforcetest;elasticbehavior;elasticproperties;elasticrecovery;elasticity;materialfatigue;non-Newtonianviscosity;parallelplate;viscosity;viscousbehavior
【摘要】:Theviscousandelasticbehaviorofunvulcanizedrubbersandrubbercompoundsisofparamountimportanceinrubbermanufacturing,sinceitaffectsprocessing,suchasmixing,calendering,extrusion,andmolding.Theuniformityofthesepropertiesisequallyimportant,asfluctuationswillcauseupsetsinmanufacturingprocesses.Atestcapableofmeasuringviscosityandelasticityofunvulcanizedrubbersandrubbercompounds,includingtheiruniformityandpredictionofprocessingbehavior,isthereforehighlydesirable(seePracticeD6048forfurtherinformation).Comparedtomanyotherrheologicaltests,thistestmethodmeasuresviscosityandelasticityrelatedparametersunderconditionsoflowshearandhasahighdiscriminatingpower.Itcandetectsmallrheologicaldifferences.AfulldiscussionoftheprinciplesbehindstressrelaxationtestingisgiveninPracticeD6048.Testresultsofthistestmethodmaybeusefulinpredictingprocessability,butcorrelationwithactualmanufacturingprocessesmustbeestablishedineachindividualcase,sinceconditionsvarytoowidely.Thistestmethodissuitableforspecificationcompliancetesting,qualitycontrol,refereepurposes,andresearchanddevelopmentwork.1.Scope1.1ThistestmethodisanadaptationoftheGermanStandardDIN53514,afurtherdevelopmentoftheformer"DefoTest"(see).1.2Thistestmethodiscapableofmeasuringandcharacterizingtherheologicalbehavior(viscosityandelasticity)ofunvulcanizedrawrubbersandrubbercompounds,relatingtothemacrostructureofrubberpolymers(averagemolecularweight,molecularweightdistribution,longchainbranching,andmicro-andmacro-gel).1.3Theviscosityandelasticityofunvulcanizedrubbersandrubbercompoundsaredeterminedbysubjectingcylindricaltestpiecestoacompression/recoverycycle.Thedependencyonshearrateatconstantshearstressisevaluatedandthematerialfatiguebehaviorisdeterminedinrepeatcycletesting.1.4Thenon-Newtonianviscousandelasticbehaviorofrubbersandrubbercompoundscanalsobeevaluated.1.5Statisticalevaluationofthetestdataprovidesanindicationofdatavariation,whichmaybeemployedasanestimateofthehomogeneityofthematerialtested.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:10P.;A4
【正文语种】:英语