ASTM E1842-1996 金属材料宏观洛氏硬度试验的标准试验方法

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【英文标准名称】:StandardTestMethodforMacro-RockwellHardnessTestingofMetallicMaterials
【原文标准名称】:金属材料宏观洛氏硬度试验的标准试验方法
【标准号】:ASTME1842-1996
【标准状态】:作废
【国别】:
【发布日期】:1996
【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】:E28.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:additionaltestforce;depthofindentation;displacement;indenter;Macro-Rockwellhardnessnumber;Macro-Rockwellhardnesstest;preliminarytestforce;totaltestforce;tungstencarbideballindenter
【摘要】:1.1ThistestmethodcoverstheprocedureforMacro-Rockwellhardnesstestingofmetallicmaterials,employingtheRockwelldepthmeasuringprinciple(TestMethodE18),withhightestforcesand5or10-mmdiametertungstencarbideballindenters.

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【英文标准名称】:StandardTestMethodsforSiliconeFluidsUsedforElectricalInsulation
【原文标准名称】:电绝缘用硅酮液的标准试验方法
【标准号】:ASTMD2225-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D27.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:硅氧烷;绝缘液体;绝缘;电气工程;电绝缘;试验
【英文主题词】:Electricalinsulatingliquids;siliconefluids,testing,;Electronicmaterials/applications;siliconefluids,electricalinsulating,testing
【摘要】:Testscoveredinthisstandardmaybeusedforqualitycontrolanddesignconsiderations.Includedineachtestmethodisabriefstatementdescribingitssignificance.1.1Thesetestmethodscoverthetestingofsiliconefluidsforuseintransformers,capacitors,andelectronicassembliesasaninsulatingorcoolingmedium,orboth.Thesemethodsaregenerallysuitableforspecificationacceptance,factorycontrol,refereetesting,andresearch.1.2Althoughsomeofthetestmethodslistedhereapplyprimarilytopetroleum-basedfluids,theyare,withminorrevisions,equallyapplicabletosiliconefluids.1.3Siliconefluidsareusedforelectricalinsulatingpurposesbecauseoftheirstablepropertiesathighandlowtemperaturesandtheirrelativeenvironmentalinertness.1.4Alistofthepropertiesandstandardsareasfollows:PropertyMeasuredSectionASTMTestMethodPhysical:Color6D2129Flashpoint7D92Firepoint7D92Polychlorinatedbiphenyl8D4059contentPourpoint9D97Refractiveindex10D1807Specificgravity11D1298,D1481,D4052Volatility12D4559Viscosity13D445,D2161Chemical:Neutralizationnumber14D974Watercontent15D1533Electrical:Relativepermittivity16D9242Dielectricbreakdown17D8773voltageDissipationfactor18D9242Specificresistance19D11692Compatibility20D52821.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K15
【国际标准分类号】:29_040_10
【页数】:4P.;A4
【正文语种】: