HB 2-36-1994 双耳快卸锁

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基本信息
标准名称:双耳快卸锁
中标分类: 航空、航天 >> 航空器与航天器零部件 >> 机械配件、构件
替代情况:HB 2-36-1983
发布日期:1994-10-31
实施日期:1995-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:10页
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所属分类: 航空 航天 航空器与航天器零部件 机械配件 构件
下载地址: 点击此处下载
【英文标准名称】:Metallicmaterials-Fatiguetesting-Statisticalplanningandanalysisofdata
【原文标准名称】:金属材料.疲劳试验.数据的统计规划和分析
【标准号】:ISO12107-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC164
【标准类型】:()
【标准水平】:()
【中文主题词】:电压测量;核技术;轴向;疲劳试验;统计数据;统计学;疲劳极限;数据分析;航空航天运输;材料的疲劳;稳态振动性能;材料;金属材料;金属;试验;定义;机械工程
【英文主题词】:Aerospacetransport;Axial;Dataanalysis;Definitions;Fatiguelimit;Fatigueofmaterials;Fatiguetesting;Materials;Mechanicalengineering;Metallicmaterials;Metals;Nucleartechnology;Statisticaldata;Statistics;Steady-statevibrationbehaviour;Testing;Voltagemeasuring
【摘要】:1ObjectivesThisInternationalStandardpresentsmethodsfortheexperimentalplanningoffatiguetestingandthestatisticalanalysisoftheresultingdata.Thepurposeistodeterminethefatiguepropertiesofmetallicmaterialswithbothahighdegreeofconfidenceandapracticalnumberofspecimens.2FatiguepropertiestobeanalysedThisInternationalStandardprovidesamethodfortheanalysisoffatiguelifepropertiesatavarietyofstresslevelsusingarelationshipthatcanlinearlyapproximatethematerial'sresponseinappropriatecoordinates.Specifically,itaddresses:a)thefatiguelifeforagivenstress,andb)thefatiguestrengthforagivenfatiguelife.Theterm"stress"inthisInternationalStandardcanbereplacedby"strain",asthemethodsdescribedarealsovalidfortheanalysisoflifepropertiesasafunctionofstrain.Fatiguestrengthinthecaseofstrain-controlledtestsisconsideredintermsofstrain,asitisordinarilyunderstoodintermsofstressinstress-controlledtests.3LimitofapplicationThisInternationalStandardislimitedtotheanalysisoffatiguedataformaterialsexhibitinghomogeneousbehaviourduetoasinglemechanismoffatiguefailure.Thisreferstothestatisticalpropertiesoftestresultsthatarecloselyrelatedtomaterialbehaviourunderthetestconditions.Infact,specimensofagivenmaterialtestedunderdifferentconditionsmayrevealvariationsinfailuremechanisms.Forordinarycases,thestatisticalpropertyofresultingdatarepresentsonefailuremechanismandmaypermitdirectanalysis.Conversely,situationsareencounteredwherethestatisticalbehaviourisnothomogeneous.Itisnecessaryforallsuchcasestobemodelledbytwoormoreindividualdistributions.Anexampleofsuchbehaviourisoftenobservedwhenfailurecaninitiatefromeitherasurfaceorinternalsiteatthesamelevelofstress.Undertheseconditions,thedatawillhavemixedstatisticalcharacteristicscorrespondingtothedifferentmechanismsoffailure.ThesetypesofresultsarenotconsideredinthisInternationalStandardbecauseamuchhighercomplexityofanalysisisrequired.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:26P.;A4
【正文语种】:英语