SAE J823 Flasher Test
作者:标准资料网 时间:2024-05-29 09:00:06 浏览:8155
来源:标准资料网
Product Code:SAE J823
Title:Flasher Test
Issuing Committee:Electromechanical Electronic Devices Task Force
Scope:This SAE Standard specifies the test procedure, test circuitry, and instruments required for measuring the performance of flashers used in motor vehicles.
【英文标准名称】:StandardPracticeforStrain-ControlledFatigueTesting
【原文标准名称】:应变控制疲劳试验的标准实施规程
【标准号】:ASTME606-2004e1
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E08.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:疲劳试验;机械试验;金属;工艺;波幅;试验
【英文主题词】:
【摘要】:1.1Thispracticecoversthedeterminationoffatiguepropertiesofnominallyhomogeneousmaterialsbytheuseoftestspecimenssubjectedtouniaxialforces.Itisintendedasaguideforfatiguetestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Whilethispracticeisintendedprimarilyforstrain-controlledfatiguetesting,somesectionsmayprovideusefulinformationforforce-controlledorstress-controlledtesting.1.2Theuseofthispracticeislimitedtospecimensanddoesnotcovertestingoffull-scalecomponents,structures,orconsumerproducts.1.3Thispracticeisapplicabletotemperaturesandstrainratesforwhichthemagnitudesoftime-dependentinelasticstrainsareonthesameorderorlessthanthemagnitudesoftime-independentinelasticstrains.Norestrictionsareplacedonenvironmentalfactorssuchastemperature,pressure,humidity,medium,andothers,providedtheyarecontrolledthroughoutthetest,donotcauselossoforchangeindimensionwithtime,andaredetailedinthedatareport.Note18212;Theterminelasticisusedhereintorefertoallnonelasticstrains.Thetermplasticisusedhereintoreferonlytothetime-independent(thatis,noncreep)componentofinelasticstrain.Totrulydetermineatime-independentstraintheforcewouldhavetobeappliedinstantaneously,whichisnotpossible.Ausefulengineeringestimateoftime-independentstraincanbeobtainedwhenthestrainrateexceedssomevalue.Forexample,astrainrateof1103sec1isoftenusedforthispurpose.Thisvalueshouldincreasewithincreasingtesttemperature.1.4ThispracticeisrestrictedtothetestingofuniformgagesectiontestspecimenssubjectedtoaxialforcesasshowninFig.1(a).Testingislimitedtostrain-controlledcycling.Thepracticemaybeappliedtohourglassspecimens,seeFig.1(b),buttheuseriscautionedaboutuncertaintiesindataanalysisandinterpretation.Testingisdoneprimarilyunderconstantamplitudecyclingandmaycontaininterspersedholdtimesatrepeatedintervals.Thepracticemaybeadaptedtoguidetestingformoregeneralcaseswherestrainortemperaturemayvaryaccordingtoapplicationspecifichistories.Dataanalysismaynotfollowthispracticeinsuchcases.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:16P.;A4
【正文语种】:
基本信息
| 标准名称： | 氰化电镀铜溶液分析方法 原子吸收光谱法测定银的含量 |
| 中标分类： |
综合 >>
基础标准 >>
材料防护 |
| ICS分类： |
机械制造 >>
表面处理和涂覆 >>
金属镀层
|
| 发布日期： | 2000-09-20 |
| 实施日期： | 2001-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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前言
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引用标准
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所属分类： 综合 基础标准 材料防护 机械制造 表面处理和涂覆 金属镀层
