【英文标准名称】:Water-cooledsecondaryconnectioncablesforresistancewelding-Dimensionsandrequirementsforsingle-conductorconnectioncables
【原文标准名称】:电阻焊用水冷辅助连接电缆.单导体连接电缆的尺寸和要求
【标准号】:BSENISO8205-2-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:冷却;面积;长度;永久的;第二;电阻焊设备;色码;焊接设备;水冷系统;电阻;名称与符号;尺寸;分类系统;电缆;电连接器;作标记;电流
【英文主题词】:
【摘要】:
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforGravimetricMeasurementofPolymericComponentsforWearAssessment
【原文标准名称】:磨损评定用聚合物元件重力测量的标准规程
【标准号】:ASTMF2025-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:F04.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:评定;组件;重量分析的;重量分析;质量损失;测量;聚合材料;高聚物;修复装置;外科植入物;磨损
【英文主题词】:
【摘要】:Thispracticeusesaweight-lossmethodofweardeterminationforthepolymericcomponentsormaterialsusedinhumanjointprostheses,usingserumordemonstratedequivalentfluidforlubrication,andrunningunderaloadprofilerepresentativeoftheappropriatehumanjointapplication(1,2).4Thebasisforthisweight-lossmethodforwearmeasurementwasoriginallydeveloped(3)forpin-on-diskwearstudies(PracticeF732)andhasbeenextendedtototalhipreplacements(4,5,ISO14242x2013;2,andGuideF1714)andtofemoro-tibialkneeprostheses(6andISO14243x2013;2),andtofemoro-patellarkneeprostheses(6,7).Whilewearresultsinachangeinthephysicaldimensionsofthespecimen,itisdistinctfromdimensionalchangesduetocreeporplasticdeformation,inthatwearresultsintheremovalofmaterialintheformofpolymericdebrisparticles,causingalossinweightofthespecimen.Thispracticeformeasuringwearofthepolymericcomponentissuitableforvarioussimulatordevices.Thesetechniquescanbeusedwithmetal,ceramic,carbon,polymeric,andcompositecounterfacesbearingagainstapolymericmaterial(forexample,polyethylene,polyacetal,andsoforth).Thus,thisweight-lossmethodhasuniversalapplicationforwearstudiesofhumanjointreplacementswhichfeaturepolymericbearings.Thisweight-lossmethodhasnotbeenvalidatedfornon-polymericmaterialbearingsystems,suchasmetal-metal,carbon-carbon,orceramic-ceramic.Progressivewearofsuchrigidbearingcombinationshasgenerallybeenmonitoredusingalinear,variable-displacementtransducers,orbyotherprofilometrictechniques.1.1Thispracticedescribesalaboratorymethodusingaweight-loss(thatis,mass-loss;seeX1.4)techniqueforevaluatingthewearpropertiesofpolymericmaterialsordeviceswhicharebeingconsideredforuseasbearingsurfacesofhumanjointreplacementprostheses,orboth.Thetestspecimensareevaluatedinadeviceintendedtosimulatethetribologicalconditionsencounteredinthehumanjoint;forexample,useofafluidsuchasbovineserum,orequivalentpseudosynovialfluidshowntosimulatesimilarwearmechanismsanddebrisgenerationasfoundinvivo.
【中国标准分类号】:J43
【国际标准分类号】:11_040_40
【页数】:6P.;A4
【正文语种】: