【英文标准名称】:StandardGuideforPreparationofMetallographicSpecimens
【原文标准名称】:金相样品制备标准指南
【标准号】:ASTME3-2001(2007)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E04.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:alloys;grinding;metallography;metals;mounting;polishing;sectioning;specimenpreparation(metallographic);Cleaningagents/processes;Electropolishing;Etching(materials/process);Grindingmaterials/operations;Inclusions--metals/alloys;Meta
【摘要】:Microstructureshaveastronginfluenceonthepropertiesandsuccessfulapplicationofmetalsandalloys.Determinationandcontrolofmicrostructurerequirestheuseofmetallographicexamination.Manyspecificationscontainarequirementregardingmicrostructure;hence,amajoruseformetallographicexaminationisinspectiontoensurethattherequirementismet.Othermajorusesformetallographicexaminationareinfailureanalysis,andinresearchanddevelopment.Properchoiceofspecimenlocationandorientationwillminimizethenumberofspecimensrequiredandsimplifytheirinterpretation.Itiseasytotaketoofewspecimensforstudy,butitisseldomthattoomanyarestudied.1.1Theprimaryobjectiveofmetallographicexaminationsistorevealtheconstituentsandstructureofmetalsandtheiralloysbymeansofalightopticalorscanningelectronmicroscope.Inspecialcases,theobjectiveoftheexaminationmayrequirethedevelopmentoflessdetailthaninothercasesbut,undernearlyallconditions,theproperselectionandpreparationofthespecimenisofmajorimportance.Becauseofthediversityinavailableequipmentandthewidevarietyofproblemsencountered,thefollowingtextpresentsfortheguidanceofthemetallographeronlythosepracticeswhichexperiencehasshownaregenerallysatisfactory;itcannotanddoesnotdescribethevariationsintechniquerequiredtosolveindividualspecimenpreparationproblems.Note18212;Foramoreextensivedescriptionofvariousmetallographictechniques,refertoSamuels,L.E.,MetallographicPolishingbyMechanicalMethods,AmericanSocietyforMetals(ASM)MetalsPark,OH,3rdEd.,1982;Petzow,G.,MetallographicEtching,ASM,1978;andVanderVoort,G.,Metallography:PrinciplesandPractice,McGrawHill,NY,2ndEd.,1999.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H24
【国际标准分类号】:77_040_99
【页数】:12P.;A4
【正文语种】:英语