BS EN ISO 4499-2-2010 硬质合金.显微组织的金相学测定.WC晶粒尺寸的测量
时间:2024-05-07 23:27:09 来源: 标准资料网 作者：标准资料网 阅读：8375
【英文标准名称】:Hardmetals.Metallographicdeterminationofmicrostructure.MeasurementofWCgrainsize
【原文标准名称】:硬质合金.显微组织的金相学测定.WC晶粒尺寸的测量
【标准号】:BSENISO4499-2-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-06-30
【实施或试行日期】:2010-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:校准;晶体微观结构;定义;名称与符号;电子显微镜;蚀刻;粒度;硬质合金;段拦截方法;测量;测量技术;金相学;金属;分析方法;显微分析;微观结构;粒度分布;粉末冶金;抽样方法;符号;术语;试样;组织
【英文主题词】:Calibration;Crystalmicrostructure;Definitions;Designations;Electronmicroscopy;Etching;Grainsize;Hardmetals;Intercepted-segmentmethod;Measurement;Measuringtechniques;Metallography;Metals;Methodsofanalysis;Microscopicanalysis;Microstructure;Particlesizedistribution;Powdermetallurgy;Samplingmethods;Symbols;Terms;Testspecimens;Texture
【摘要】:ThispartofISO4499givesguidelinesforthemeasurementofhardmetalgrainsizebymetallographictechniquesonlyusingopticalorelectronmicroscopy.ItisintendedforsinteredWC/Cohardmetals(alsocalledcementedcarbidesorcermets)containingprimarilyWCasthehardphase.Itisalsointendedformeasuringthegrainsizeanddistributionbythelinear-intercepttechnique.ThispartofISO4499essentiallycoversfourmaintopics:?calibrationofmicroscopes,tounderpintheaccuracyofmeasurements;?linearanalysistechniques,toacquiresufficientstatisticallymeaningfuldata;?analysismethods,tocalculaterepresentativeaveragevalues;?reporting,tocomplywithmodernqualityrequirements.ThepartofISO4499issupportedbyameasurementcasestudytoillustratetherecommendedtechniques(seeAnnexA).ThepartofISO4499isnotintendedforthefollowing.?Measurementsofsizedistribution.?Recommendationsonshapemeasurements.Furtherresearchisneededbeforerecommendationsforshapemeasurementcanbegiven.Measurementsofcoercivityaresometimesusedforgrain-sizemeasurement,butthiscurrentguideisconcernedonlywithametallographicmeasurementmethod.Itisalsowrittenforsinteredhardmetalsandnotforcharacterisingpowders.However,themethodcould,inprinciple,beusedformeasuringtheaveragesizeofpowdersthataresuitablymountedandsectioned.
【中国标准分类号】:H24
【国际标准分类号】:77_040_99;77_160
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:Sherardizing-Zincdiffusioncoatingsonferrousproducts-Specification
【原文标准名称】:粉末镀锌.铁产品上锌扩散涂层.规范
【标准号】:BSEN13811-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-05-13
【实施或试行日期】:2003-05-13
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:覆层厚度;覆层;防腐蚀;定义;定义(术语);扩散层;黑色金属;无机物的;铁;材料测试;金属涂层;镀锌粉;规范(验收);厚度;锌覆层
【英文主题词】:Coatingthickness;Coatings;Corrosionprotection;Definition;Definitions;Diffusionlayers;Ferrousmetals;Inorganic;Iron;Materialstesting;Metalcoatings;Sherardizing;Specification(approval);Thickness;Zinccoatings
【摘要】:ThisEuropeanStandardspecifiesminimumthicknessrequirementsforthreeclassesofzinccoatingappliedtoferrousproductsbythesherardizingprocessforthepurposeofprotectionagainstcorrosionandabrasion.Italsospecifiesminimumrequirementsforthezincdusttobeusedduringthesherardizingprocess.Thisstandarddoesnotspecifyanyrequirementsforthesurfacecondition(finishorroughness)ofthebasismaterialbeforesherardizing.After-treatmentsorovercoatingofsherardizedarticlesisnotcoveredbythisstandard.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-2:Particularrequirementsforvacuumcleanersandwater-suctioncleaningappliances
【原文标准名称】:家用和类似用途电器的安全.第2-2部分:真空吸尘器和吸水清洁电器的特殊要求
【标准号】:IEC60335-2-2Edition5.2-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:清洁设备;定义;电气器具;家用电器;电气工程;电气安全;家用设备;家用;机动;机动家用设备;动力驱动;防电击;安全;安全工程;安全要求;规范(验收);真空吸尘器;吸水管
【英文主题词】:Cleaningequipment;Definitions;Electricappliances;Electrichouseholdappliance;Electrichouseholdappliances;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Householdequipment;Householduse;Motor-operated;Motor-operatedhouseholdappliances;Powerdrives;Protectionagainstelectricshocks;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Vacuumcleaners;Watersuctionpipes
【摘要】:ThisclauseofPart1isreplacedbythefollowing.ThisInternationalStandarddealswiththesafetyofelectricvacuumcleanersandwatersuctioncleaningappliancesforhouseholdandsimilarpurposes,includingvacuumcleanersforanimalgrooming,theirratedvoltagebeingnotmorethan250V.Italsoappliestocentrally-sitedvacuumcleanersandautomaticbattery-poweredcleaners.Thisstandardalsoappliestomotorizedcleaningheadsandcurrent-carryinghosesassociatedwithaparticularvacuumcleaner.Appliancesnotintendedfornormalhouseholduse,butwhichneverthelessmaybeasourceofdangertothepublic,suchasappliancesintendedtobeusedbylaymeninshopsandotherpremisesfornormalhousekeepingpurposes,arewithinthescopeofthisstandard.NOTE101Examplesofsuchappliancesareappliancesintendedtobeusedfornormalhousekeepingpurposesinhotels,offices,schools,hospitalsandsimilarpremises.Asfarasispracticable,thisstandarddealswiththecommonhazardspresentedbyappliancesthatareencounteredbyallpersonsinandaroundthehome.However,ingeneral,itdoesnottakeintoaccount–theuseofappliancesbyyoungchildrenorinfirmpersonswithoutsupervision;–playingwiththeappliancebyyoungchildren.NOTE102Attentionisdrawntothefactthat–forappliancesintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;–inmanycountriesadditionalrequirementsarespecifiedbythenationalhealthauthorities,thenationalauthoritiesresponsiblefortheprotectionoflabour,thenationalwatersupplyauthoritiesandsimilarauthorities.NOTE103Thisstandarddoesnotapplyto–appliancesintendedexclusivelyforindustrialpurposes;–appliancesintendedtobeusedinlocationswherespecialconditionsprevail,suchasthepresenceofacorrosiveorexplosiveatmosphere(dust,vapourorgas).
【中国标准分类号】:Y62
【国际标准分类号】:13_120;97_080
【页数】:53P.;A4
【正文语种】:英语