【英文标准名称】:Safetyofhouseholdandsimilarelectricalappliances-Part2-14:Particularrequirementsforkitchenmachines;Amendment2
【原文标准名称】:家用和类似电器的安全.第2-14部分:炊事机具的特殊要求.修改件2
【标准号】:IEC60335-2-14AMD2-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:电气器具;安全;家用;安全要求;电气工程;家用电器;炊事机具
【英文主题词】:kitchenmachines;electrichouseholdappliances;electricappliances;householduse;safety;safetyrequirements;electricalengineering
【摘要】:
【中国标准分类号】:Y68
【国际标准分类号】:97_040_50
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforElectrodepositedCoatingsofTin-LeadAlloy(SolderPlate)
【原文标准名称】:锡铅合金的电解沉积镀层(焊接板)
【标准号】:ASTMB579-1973(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1973
【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】:B08.08.04
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrodepositedcoatings,tin-leadalloy(solderplate);solder,tin-leadalloy;tin-lead;Artificialaging;Bendtesting--coatings;Burnishingtest--forcoatingadhesion;Coatingadhesion--electrodepositedcoatings;Copperalloyelectrodepositedcoat
【摘要】:1.1Thisspecificationcoverstherequirementsforelectrodepositedtin-leadcoatingsonfabricatedarticlesofiron,steel,copper,andcopperalloys,toprotectthemagainstcorrosion(Note1),toimproveandpreservesolderabilityoverlongperiodsofstorage,andtoimproveanti-gallingcharacteristics.Note18212;Somecorrosionoftin-leadcoatingsmaybeexpectedinoutdoorexposure.Innormalindoorexposure,tin-leadisprotectiveoniron,copper,andcopperalloys.Corrosionmaybeexpectedatdiscontinuities(pitsorpores)inthecoating.Porositydecreasesasthethicknessisincreased.Aprimaryuseofthetin-leadcoating(solder)iswiththeprintedcircuitindustryasasolderablecoatingandasanetchmaskmaterial.1.2Thisspecificationappliestoelectrodepositedcoatingscontainingaminimumof50%andamaximumof70%tin.Thespecificationappliestomat,bright,andflow-brightenedtin-leadcoatings.Note28212;Tin-leadplatingbathsarecomposedoftinandleadfluoboratesandofadditionagentstopromotestability.Thefinalappearancemaybeinfluencedbytheadditionofproprietarybrighteners.Withoutbrighteners,thecoatingsaremat;withbrighteners,theyaresemibrightorbright.Flow-brightenedcoatingsareobtainedbyheatingmatcoatingstoabovethemeltingpointoftin-leadforafewsecondsandthenquenching;palmoil,hydrogenatedoils,orfatsareusedasaheat-transfermediumatatemperatureof260x00B1;10x00B0;C(500x00B1;20x00B0;F),butothermethodsofheatingarealsoinuse.Themaximumthicknessforflow-brighteningisabout7.5x03BC;m(0.3mil);thickercoatingstendtoreflowunevenly.Theshapeofthepartisalsoafactor;flatsurfacestendtoreflowmoreunevenlythanwiresorroundedshapes(Note3).Note38212;Volatileimpuritiesintin-leadcoatingswillcausebubblingandfoamingduringflow-brighteningresultinginvoidsandroughness.Theimpuritiescanarisefromplatingsolutionadditionagentsandfromimproperrinsingandprocessing.1.3Thisspecificationdoesnotapplytosheet,strip,orwireintheunfabricatedformortothreadedarticleshavingbasicmajordiametersuptoandincluding19mm(0.75in.).
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:5P.;A4
【正文语种】:英语