ASTM B631-1993(2010) 银钨电接触材料标准规格
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【英文标准名称】:StandardSpecificationforSilver-TungstenElectricalContactMaterials
【原文标准名称】:银钨电接触材料标准规格
【标准号】:ASTMB631-1993(2010)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:B02.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电触点;粉末冶金;银;银-钨;钨;钨-银;导电体.银-钨合金;电触点材料(银-钨);电绝缘材料.规格;平坦防滑条;粉末冶金.规格;银(电气/电子应用).规格;银-钨电触点合金;防滑条;钨电气/电子应用件
【英文主题词】:contacts;powdermetallurgy;silver;silver-tungsten;tungsten;tungsten-silver;Electricalconductors--silver-tungstenalloy;Electricalcontactmaterials(silver-tungsten);Electricalinsulatingmaterials--specifications;Flattreadplate;Powdermetallurgy--spec
【摘要】:Proprietarymethodsformanufactureofthesematerialsvarysignificantlyamongsuppliers,andthesemethodsinfluencesuchpropertiesasarcerosion,contactresistance,andtendencytoweldinservice.Sincetheperformanceofcontactsinadevicedependsonnumerousfactorsoutsidethecontactitself(openingspeed,closingspeed,contactpressure,contactbounce,environmentalvariations,assemblytechniqueandvariations,etc.)thisspecificationcannotensureperformancecontrolintheapplication.Aspartofthequalificationoninitialsamplesitisrecommendedthattheuserfunctionallyelectricallytestthematerialsforalldevicesapplicabletothematerial''suse.Thisspecificationwillprovideameansforthecontactmanufacturerandcontactusertoreachagreementonthedetailsofmaterialtobesuppliedforaspecificuseandreasonableassurancethatfuturelotswillbesimilarinpropertiesandmicrostructuretotheinitialtestorsamplecontactssupplied.1.1Thisspecificationcoverselectricalcontactcomponentsmadefromsilver-tungstenbypowder-metallurgicalprocedures.1.2Thisspecificationcoverscompositionswithinthesilver-tungstensystemnormallyspecifiedbyusersofcontacts.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialDataSafetySheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K14
【国际标准分类号】:77_120_99
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:银钨电接触材料标准规格
【标准号】:ASTMB631-1993(2010)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:B02.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电触点;粉末冶金;银;银-钨;钨;钨-银;导电体.银-钨合金;电触点材料(银-钨);电绝缘材料.规格;平坦防滑条;粉末冶金.规格;银(电气/电子应用).规格;银-钨电触点合金;防滑条;钨电气/电子应用件
【英文主题词】:contacts;powdermetallurgy;silver;silver-tungsten;tungsten;tungsten-silver;Electricalconductors--silver-tungstenalloy;Electricalcontactmaterials(silver-tungsten);Electricalinsulatingmaterials--specifications;Flattreadplate;Powdermetallurgy--spec
【摘要】:Proprietarymethodsformanufactureofthesematerialsvarysignificantlyamongsuppliers,andthesemethodsinfluencesuchpropertiesasarcerosion,contactresistance,andtendencytoweldinservice.Sincetheperformanceofcontactsinadevicedependsonnumerousfactorsoutsidethecontactitself(openingspeed,closingspeed,contactpressure,contactbounce,environmentalvariations,assemblytechniqueandvariations,etc.)thisspecificationcannotensureperformancecontrolintheapplication.Aspartofthequalificationoninitialsamplesitisrecommendedthattheuserfunctionallyelectricallytestthematerialsforalldevicesapplicabletothematerial''suse.Thisspecificationwillprovideameansforthecontactmanufacturerandcontactusertoreachagreementonthedetailsofmaterialtobesuppliedforaspecificuseandreasonableassurancethatfuturelotswillbesimilarinpropertiesandmicrostructuretotheinitialtestorsamplecontactssupplied.1.1Thisspecificationcoverselectricalcontactcomponentsmadefromsilver-tungstenbypowder-metallurgicalprocedures.1.2Thisspecificationcoverscompositionswithinthesilver-tungstensystemnormallyspecifiedbyusersofcontacts.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialDataSafetySheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K14
【国际标准分类号】:77_120_99
【页数】:4P.;A4
【正文语种】:
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