SAE AS1502 Hose, Air Duct, Flexible, Helical, Metallic Wire, Supported (Exposed), Self Extinguishing

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Product Code:SAE AS1502
Title:Hose, Air Duct, Flexible, Helical, Metallic Wire, Supported (Exposed), Self Extinguishing
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
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【英文标准名称】:StandardTestMethodforDurabilityWearTestingofSeparableElectricalConnectorSystemsUsingElectricalResistanceMeasurements
【原文标准名称】:使用电阻测量的可拆式电气连接器系统耐磨损测试用标准试验方法
【标准号】:ASTMB794-1997(2009)
【标准状态】:现行
【国别】:
【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】:B02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:接触电阻;电气触点;温度和湿度循环试验;磨损;磨损痕迹;加速老化测试-电气加热/接触材料;退化-电触点材料;耐久性-建筑材料/设施;电阻/电阻系数-电触点材料;性能-电气/电子系统/设施;温度试验-电触点材料;压实阻力;循环温度-湿度试验;电气连接器;电触点材料;电性能;湿度;插入/拔出循环;机械性能;温度-湿度循环试验;振动试验;磨损测试
【英文主题词】:contactresistance;electricalconnectors;electricalcontacts;temperatureandhumiditycyclingtest;wear;weartracks;Acceleratedaging/testing--electricalheating/contactmaterials;Degradation--electricalcontactmaterials;Durability--buildingmate
【摘要】:Materialsforelectricalconnectorcontactsmustsatisfyanumberofrequirementsintheareasofelectrical,mechanical,andeconomiccharacteristics.Thestabilityofelectricalpropertiesisoneofthemostimportantofthesecharacteristics.Wearofcontactsurfacesmayadverselyaffecttheseelectricalproperties,especiallyindesignswherethecontactsurfacesarerelativelythincoatings.Thistestmethodprovidesameanstocomparevariousmaterialsystemsonabasisrelevanttotheirapplicationinelectricalconnectorcontacts.Repeatedinsertionandwithdrawalofaconnectormaycausewearorothermechanicaldamagetotheelectricalcontactsurfaces,renderingthosesurfacesmoresusceptibletoenvironmentaldegradation.Thistestmethodisintendedtodetectdegradationoftheelectricalpropertiesoftheconnectorbysuchprocesses.Thistestmethoddescribesproceduresforconductingwearanddurabilitytestingofelectricalconnectors;theproceduresproducequantitativeresults.Theseresultsmaybeusedtocomparetheperformanceofdifferentconnectordesignssothatmeaningfuldesignchoicescanbemade.Suchresultsmayalsobeusedtocomparetheperformanceofaconnectortoapreviouslyestablishedstandardtoevaluatethequalityofthesamplesundertest.Thetestresultsobtainedfromthistestmethodarelimitedintheirapplicabilitytoconnectorcombinationsthatareequivalentindesignandmanufacturetothoseactuallytested.Theuseriscautionedthattheconditionsinthistestshouldbecomparedtotheconditionsthattheconnectorwillexperienceintheintendedapplicationinordertodeterminetherelevanceofthistestmethodtotheparticularneedsoftheuser.Forexample,theenvironmentalstressinthistestmethodislessseverethancertainindustrialandmarineenvironmentsandthereforetestresultsarenotdirectlyapplicabletopredicttheperformanceofproductintendedforuseinsuchareas.Itisrecommendedthatthistestmethodbeusedinoneoftwoways.First,itmaybeusedtoevaluateandreporttheperformanceofaparticularconnectorsystem.Insuchacase,itisappropriatetoreporttheresultsinatableintheformatshowninFig.1andtostatex201C;Theresultsshowninthetablewereobtainedfor(insertconnectordesignationordescription)whentestedinaccordancewithASTMStandardB794,Method__,Procedure__.x201D;Second,itmaybeusedtoimposerequirementsforacceptanceofproduct.Inthiscase,limitsforthevaluesshowninFig.1mustbeestablishedpriortoproductacceptancetesting.Suchlimitsmaybeestablishedbyvariousmethodssuchasbyevaluationofproductwhichisknowntobeacceptableorbyapplicationofappropriateexperience.Theselimitsmustbedocumentedinamannerthattheentityperformingtheproducttestcanrefertothelimitstodetermineifthetestproductconformstosuchlimits.Apurchasermaywishtosupplyatableoflimitsandincludeonthepurchaseorderastatementsimilarto:x201C;Theproduct,whentestedinaccordancewithASTMStandardB794,Method__,Procedure__,shallmeetthelimitsinthesuppliedtable.x201D;ThistablesuppliedbythepurchasermaysetlimitsonallofthevaluesinFig.1,oronlyonasubsetofthosevaluesthatthepurchaserdeemsadequatetoensuretheperformanceoftheproduct.FIG.1SampleFormatforReportingResults1.1Thistestmethodcoverstheeffectsofrepeatedinsertionandwithdrawalofseparableelectr......
【中国标准分类号】:L23
【国际标准分类号】:29_120_30
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:TestMethodForAssemblyForceOfPlasticUndergroundConduitJointsThatUseFlexibleElastomericSealsLocatedInTheBell
【原文标准名称】:用柔性合成橡胶密封件固定在套桶中的塑料地下管道接头组合力试验方法
【标准号】:ANSI/ASTMF1429-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:管联接器;衬垫;试验;塑料管
【英文主题词】:Gaskets;Pipecouplings;Plasticpipes;Plastictubes;Seals;Testing
【摘要】:Thistestmethodcoversthedeterminationoftherelativeforcerequiredtoassembleplasticundergroundconduitjointsthatuseflexibleelastomericsealslocatedinthebell.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesstatedinparenthesesareprovidedforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_60
【页数】:
【正文语种】:英语