ANSI/ASTM D5537-2008 电缆或光导纤维电缆绝缘材料在立式电缆槽装置中燃烧时放热、火焰传播和质量损失测试的试验方法
作者:标准资料网 时间:2024-05-16 06:37:11 浏览:8594
来源:标准资料网
【英文标准名称】:TestMethodforHeatRelease,FlameSpreadandMassLossTestingofInsulatingMaterialsContainedinElectricalorOpticalFiberCablesWhenBurninginaVerticalCableTrayConfiguration
【原文标准名称】:电缆或光导纤维电缆绝缘材料在立式电缆槽装置中燃烧时放热、火焰传播和质量损失测试的试验方法
【标准号】:ANSI/ASTMD5537-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电绝缘材料;玻璃纤维电缆;火焰表面传播
【英文主题词】:Cables;Calorimeters;Electricalinsulatingmaterials;Equations;Fire;Firesafety;Glassfibrecables;Heatreleaserate;Insulations;Massflow;Massflowrates;Masslosses;Surfacespreadofflame;Symbols;Tests
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:13_220_40;29_035_01
【页数】:
【正文语种】:英语
【英文标准名称】:IEEEStandardsInterpretationforIEEEStd45-1998IEEERecommendedPracticeforElectricInstallationsonShipboard
【原文标准名称】:IEEEStd45-1998用IEEE标准解释文件.船舶上电装置用IEEE推荐实施规程
【标准号】:IEEE45INT1-2-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004-04-09
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:IEEEStandardsInterpretationforIEEEStd45-1998IEEERecommendedPracticeforElectricInstallationsonShipboard
【中国标准分类号】:U60
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforCorrosionFatigueTestingofMetallicImplantMaterials
【原文标准名称】:金属植入物腐蚀疲劳试验的标准实施规程
【标准号】:ASTMF1801-1997(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrosionfatigue;metallicimplantmaterials;physiologicalenvironment;Corrosion--surgicalimplants;Fatigue--surgicalimplantmaterials;Metallicsurgicalimplantmaterials;Physiologicalenvironment
【摘要】:Implants,particularlyorthopedicdevices,areusuallyexposedtodynamicforces.Thus,implantmaterialsmusthavehighfatigueresistanceinthephysiologicalenvironment.Thispracticeprovidesaprocedureforfatiguetestinginasimulatedphysiologicalenvironment.Axialtension-tensionfatiguetestsinanenvironmentaltestchamberarerecommendedasastandardprocedure.TheaxialfatigueloadingshallcomplywithPracticeE466andPracticeE467.Bendingandrotatingbendingbeamfatiguetestsortorsiontestsmaybeperformedinasimilarenvironmentalcell.Thispracticeisintendedtoassessthefatigueandcorrosionfatiguepropertiesofmaterialsthatareemployedorprojectedtobeemployedforimplants.Thispracticeissuitableforstudyingtheeffectsofdifferentmaterialtreatmentsandsurfaceconditionsonthefatiguebehaviorofimplantmaterials.Theloadingmodeoftheactualimplantsmaybedifferentfromthatofthispractice.Determiningthefatiguebehaviorofimplantsandimplantcomponentsmayrequireseparateteststhatconsiderthespecificdesignandloadingmode.Asasubstituteforbodyfluid,0.9%salinesolutionisrecommendedasastandardenvironment.OneofthevariousRinger''ssolutionsoranothersubstituteforbodyfluidmayalsobesuitableforparticulartests.However,thesevarioussolutionsmaynotgiveequalfatigueenduranceresults.Thechlorideionsarethemostcriticalconstituentinthesesolutionsforinitiatingcorrosionfatigue.Becauseimplantsaremanufacturedfromhighlycorrosion-resistantmaterials,novisiblecorrosionmaybedetectablebyopticalorelectron-optical(SEM)means.Onlyadecreaseoffatiguestrengthinthehighcyclicliferangemaybenoticeable.Therefore,S-Ncurvescoveringabroadfatigueloadingrangeshouldbegeneratedin0.9%salinesolution(Ringer''ssolutions)andair.Comparisonoffatiguecurvesgeneratedinairandsalinesolutionmaybetheonlywaytoassesstheeffectofthesalineenvironment.Wherethefatiguebehaviorofamaterialsystemisalreadyestablished,itmaysufficetotestmodificationsofthematerialpropertiesorsurfaceconditioninonlyaselectedstressrange.Therecommendedloadingfrequencyofonehertzcorrespondstothefrequencyofweight-bearingduringwalking.Forscreeningtests,highertestfrequenciesmaybeused;butitmustberealizedthathigherfrequenciesmayaffecttheresults.SummaryofStandardConditions8212;Forinter-laboratorycomparisonsthefollowingconditionsareconsideredasthestandardtest.Axialtension-tensiontestswithcylindricalspecimensin37x00B0;C0.9%salinesolutionandairunderaloadingfrequencyof1Hz.1.1ThispracticecoverstheprocedureforperformingcorrosionfatigueteststoobtainS-Nfatiguecurvesorstatisticallyderivedfatiguestrengthvalues,orboth,formetallicimplantmaterials.Thispracticedescribesthetestingofaxiallyloadedfatiguespecimenssubjectedtoaconstantamplitude,periodicforcingfunctioninsalinesolutionat37x00B0;Candinairatroomtemperature.Theenvironmentaltestmethodforimplantmaterialsmaybeadaptedtoothermodesoffatigueloadingsuchasbendingortorsion.Whilethispracticeisnotintendedtoapplytofatiguetestsonimplantablecomponentsordevices,itdoesprovideguidelinesforfatiguetestswithstandardspecimensinanenvironmentrelatedtophysiologicalconditions.1.2Thevaluesstatedinei......
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:6P.;A4
【正文语种】:英语
