【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