ASTM D 69-1995 磨擦带的试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheEffectiveElasticParameterforX-RayDiffractionMeasurementsofResidualStress
【原文标准名称】:残余应力X-射线缺陷测量效果弹性参数测定的试验方法
【标准号】:ASTME1426-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E28.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:残余应力;参数;X射线衍射分析
【英文主题词】:elasticparameter;residualstress;x-raydiffraction
【摘要】:ThistestmethodprovidesstandardproceduresforexperimentallydeterminingtheeffectiveelasticparameterforX-raydiffractionmeasurementofresidualandappliedstresses.Italsoprovidesastandardmeansofreportingtheprecisionoftheparameter.Thistestmethodisapplicabletoanycrystallinematerialwhichexhibitsalinearrelationshipbetweenstressandstrainintheelasticrange.ThistestmethodshouldbeusedwheneverresidualstressesaretobeevaluatedbyanX-raydiffractiontechniqueandtheeffectiveelasticparameterofthematerialisunknown.1.1Thistestmethodcoversaprocedureforexperimentallydeterminingtheeffectiveelasticparameter,Eeff,fortheevaluationofresidualandappliedstressesbyX-raydiffractiontechniques.Theeffectiveelasticparameterrelatesmacroscopicstresstothestrainmeasuredinaparticularcrystallographicdirectioninpolycrystallinesamples.EeffshouldnotbeconfusedwithE,themodulusofelasticity.Rather,itisnominallyequivalenttoE/(1+957;)fortheparticularcrystallographicdirection,where957;isPoisson'sratio.Theeffectiveelasticparameterisinfluencedbyelasticanisotropyandpreferredorientationofthesamplematerial.1.2ThistestmethodisapplicabletoallX-raydiffractioninstrumentsintendedformeasurementsofmacroscopicresidualstressthatusemeasurementsofthepositionsofthediffractionpeaksinthehighback-reflectionregiontodeterminechangesinlatticespacing.1.3ThistestmethodisapplicabletoallX-raydiffractiontechniquesforresidualstressmeasurement,includingsingle,double,andmultipleexposuretechniques.1.4Thevaluesstatedininchpoundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:71_040_50
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Basesfordesignofstructures;seismicactionsonstructures
【原文标准名称】:建筑设计基础对建筑物的地震作用
【标准号】:ISO3010-1988
【标准状态】:作废
【国别】:国际
【发布日期】:1988-07-01
【实施或试行日期】:1988-07-01
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC98
【标准类型】:()
【标准水平】:()
【中文主题词】:结构;民用工程;抗震设计;建筑物;地震防护
【英文主题词】:civilengineering;structures;earthquake-resistantdesign;earthquakeprotection;buildings
【摘要】:
【中国标准分类号】:P15
【国际标准分类号】:7340;4705
【页数】:8P;A4
【正文语种】:英语