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【英文标准名称】:Wheels/rims--Classification,designationandmarking
【原文标准名称】:车轮及轮辋.分类、名称和标记
【标准号】:JISD4102-1984
【标准状态】:作废
【国别】:日本
【发布日期】:1984-04-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonRoadVehicles
【标准类型】:()
【标准水平】:()
【中文主题词】:轮辋;作标记;分类系统;摩托车;客运道路车辆;轮子;商用车辆;定义;名称与符号
【英文主题词】:wheels;;wheelrims;;designations;definitions;marking
【摘要】:
【中国标准分类号】:T22
【国际标准分类号】:43_040_50
【页数】:20P;A4
【正文语种】:日语


【英文标准名称】:Rubber,vulcanized-Determinationoftensionfatigue
【原文标准名称】:硫化橡胶.抗拉疲劳的测定
【标准号】:BSISO6943-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;测定;延伸;疲劳;疲劳测试;疲劳试验;数学计算;耐力;橡胶;抗拉测试;试件;试样;测试;硫化橡胶
【英文主题词】:Definitions;Determination;Elongation;Fatigue;Fatiguetesting;Fatiguetests;Mathematicalcalculations;Resistance;Rubber;Tensiletesting;Testpieces;Testspecimens;Testing;Vulcanizedrubber
【摘要】:ThisInternationalStandarddescribesamethodforthedeterminationoftheresistanceofvulcanizedrubberstofatigueunderrepeatedtensiledeformations,thetestpiecesizeandfrequencyofcyclingbeingsuchthatthereislittleornotemperaturerise.Undertheseconditions,failureresultsfromthegrowthofacrackthatultimatelyseversthetestpiece.Themethodisrestrictedtorepeateddeformationsinwhichthetestpieceisrelaxedtozerostrainforpartofeachcycle.Analogousfatigueprocessescanoccurunderrepeateddeformationswhichdonotpassthroughzerostrainandalso,incertainrubbers,understaticdeformation,butthisInternationalStandarddoesnotapplytotheseconditions.Themethodisbelievedtobesuitableforrubbersthathavereasonablystablestress-strainproperties,atleastafteraperiodofcycling,andthatdonotshowunduestresssofteningorset,orhighlyviscousbehaviour.Materialsthatdonotmeetthesecriteriamaypresentconsiderabledifficultiesfromthepointsofviewofbothexperimentandinterpretation.Forexample,forarubberthatdevelopsalargeamountofsetduringthefatiguetest,theteststrainwillbeill-definedandthefatiguelifeislikelytodiffermarkedlyunderconstantmaximumloadandconstantmaximumextensionconditions;howtheresultsforsucharubbershouldbeinterpreted,orcomparedwiththoseforotherrubbers,hasnotbeenestablishedbybasicwork.Asageneralguide,arubberforwhichthesetdeterminedinaccordancewith8.5and9.2exceedsislikelytofallintothiscategory.Forthisreason,themethodisnotconsideredsuitableformostthermoplasticelastomers.Similarconsiderationsapplywithregardtootherchangesinelasticitybehaviourduringtesting.AdistinctionshouldbemadebetweenthisfatiguetestandtheflexometertestsdescribedinthevariouspartsofISO4666-1,wherefatiguebreakdownoccursunderthesimultaneousactionofstressandtemperature.AdvantagesovertheDeMattiaflexcrackingandcutgrowthtest(seeISO132)includethefollowing.Thetestyieldsquantitativeresultswhichdonotdependonoperatorinterpretationandwhichcanberecordedautomatically.Theinitialdeformationisclearlydefinedandcanreadilybevariedtosuitdifferentapplications.Greatcautionisnecessaryinattemptingtorelatestandardtestresultstoserviceperformancesincethecomparativefatigueresistanceofdifferentvulcanizatescanvaryaccordingtothetestconditionsusedandtothebasisbywhichtheresultsarecompared.GuidanceontheselectionoftestconditionsandontheinterpretationofresultsisgiveninAnnexA.
【中国标准分类号】:G35
【国际标准分类号】:83_060
【页数】:24P.;A4
【正文语种】:英语