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ASTM B593-1996(2003)e1 铜合金弹簧材料弯曲疲劳试验的标准试验方法

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【英文标准名称】:StandardTestMethodforBendingFatigueTestingforCopper-AlloySpringMaterials
【原文标准名称】:铜合金弹簧材料弯曲疲劳试验的标准试验方法
【标准号】:ASTMB593-1996(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:B05.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铜;机械试验;疲劳;试验;弯曲试验;合金;弹簧;铜合金;有色金属;材料
【英文主题词】:bendingfatigue;bendingfatiguetesting;copperalloyflatstrip;copperalloyspring;fatiguetesting
【摘要】:Theflexuralfatiguetestdescribedinthistestmethodprovidesinformationontheabilityofacopperalloyflat-springmaterialtoresistthedevelopmentofcracksorgeneralmechanicaldeteriorationasaresultofarelativelylargenumberofcycles(generallyintherange105to108)underconditionsofconstantdisplacement.Thistestmethodisprimarilyaresearchanddevelopmenttoolwhichmaybeusedtodeterminetheeffectofvariationsinmaterialsonfatiguestrengthandalsotoprovidedataforuseinselectingcopperalloyspringmaterialsforserviceunderconditionsofrepeatedstraincycling.Theresultsaresuitablefordirectapplicationindesignonlywhenalldesignfactorssuchasloading,geometryofpart,frequencyofstraining,andenvironmentalconditionsareknown.Thetestmethodisgenerallyunsuitableforaninspectiontestoraqualitycontroltestduetotheamountoftimeandeffortrequiredtocollectthedata.1.1Thistestmethoddescribesproceduresforthedeterminationofthereversedorrepeatedbendingfatiguepropertiesofcopperalloyflat-sheetorstrip-springmaterialsbyfixedcantilever,constantamplitudeofdisplacement-typetestingmachines.Thismethodislimitedtoflatstockranginginthicknessfrom0.005to0.062in.(0.13to1.57mm),toafatigue-liferangeof105to108cycles,andtoconditionswherenosignificantchangeinstress-strainrelationsoccursduringthetest.Note18212;Thisimpliesthattheload-deflectioncharacteristicsofthematerialdonotchangeasafunctionofthenumberofcycleswithintheprecisionofmeasurement.Thereisnosignificantcyclichardeningorsoftening.1.2UnitsThevaluesstatedininch-poundunitsareregardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationpurposesonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H23;H62
【国际标准分类号】:77_150_30
【页数】:5P.;A4
【正文语种】:


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基本信息
标准名称:食品中总砷的测定方法
中标分类: 医药、卫生、劳动保护 >> 卫生 >> 食品卫生
替代情况:被GB/T 5009.11-1996代替
发布日期:1900-01-01
实施日期:1985-12-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:6页
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所属分类: 医药 卫生 劳动保护 卫生 食品卫生
MIL-PRF-32181, PERFORMANCE SPECIFICATION TRUCK, FORKLIFT, 4,000 AND 6,200 POUND CAPACITY, LOADING, INTERNAL COMBUSTION ENGINE (14 DEC 2004)., This specification covers a commercial, sit-down rider, diesel-engine-driven, counter-balanced forklift truck (hereinafter called the truck). The truck will have a telescopic mast, front wheel drive, power steering, hydraulic brakes, pneumatic tires, and an overhead guard.