SAE AMS4326 Aluminum Alloy, 2013, Extruded Bar, Rod, and Profiles, 1.0mg 0.80si 1.8cu 0.20cr (2013-T6511), Solution Heat
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来源:标准资料网
Product Code:SAE AMS4326
Title:Aluminum Alloy, 2013, Extruded Bar, Rod, and Profiles, 1.0mg 0.80si 1.8cu 0.20cr (2013-T6511), Solution Heat Treated, Stress-Relieved By Stretching, and Aged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification covers an aluminum alloy in the form of extruded bars, rods, and integrated profiles.
Rationale: This specification covers an aluminum alloy in the form of extruded bars, rods, and integrated profiles.
基本信息
| 标准名称： | 软磁铁氧体用碳酸锰 |
| 英文名称： | Manganese carbonate for soft ferrite use |
| 中标分类： |
化工 >>
无机化工原料 >>
无机盐 |
| ICS分类： |
化工技术 >>
无机化学 >>
盐
|
| 替代情况： | 原标准号GB 10503-89;被HG/T 2836-2011代替 |
| 发布日期： | 1997-02-04 |
| 实施日期： | 1997-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2012-07-01 |
| 出版社： | 化学工业出版社 |
| 出版日期： | 2004-04-18 |
| 页数： | 14页 |
适用范围
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前言
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目录
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引用标准
没有内容
所属分类： 化工 无机化工原料 无机盐 化工技术 无机化学 盐
【英文标准名称】:StandardGuideforElectrolyticPolishingofMetallographicSpecimens
【原文标准名称】:金相试样电解抛光标准指南
【标准号】:ASTME1558-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrolyticpolishing;electropolishing;polishing;specimenpreparation(metallographic);Alcohol;Alkalineelectrolytes;Chromiumtrioxide;Electrolyticpolishing;Electropolishing;Glacialaceticacid;Metalliccoatings;Metallographicpreparation;
【摘要】:AdvantagesofElectrolyticPolishing:Forsomemetals,ahighqualitysurfacefinishcanbeproducedthatisequivalentto,orbetterthan,thatwhichcanbeobtainedbymechanicalmethods.Onceprocedureshavebeenestablished,satisfactoryresultscanbeobtainedrapidlywithreproducibility.Therecanbeamarkedsavingoftimeifmanyspecimensofthesamematerialarepolishedsequentially.Electropolishingaselectedareaonthesurfaceofarelativelylargemetalpartcanbeaccomplishednondestructively,thatis,withouttheneedforsectioningtoremoveapiece.Soft,single-phasemetals,whichmaybedifficulttopolishbymechanicalmethods,maybesuccessfullyelectropolished.Thetruemicrostructureofaspecimencanbeobtainedbecauseartifacts(suchasdisturbedmetal,scratches,andmechanicaltwins)producedonthesurface,evenbycarefulgrindingandmechanicalpolishingoperations,canberemoved.Thesefeaturesareimportantinlow-loadhardnesstesting,X-raydiffractionstudies,andinelectronmicroscopy,wherehigherresolutionputsapremiumonundistortedmetalsurfaces.Afterelectropolishingiscompleted,etchingcanoftenbeaccomplishedbyreducingthevoltage(generallytoaboutone-tenththatrequiredforpolishing)forashorttimebeforeitisturnedoff.Note28212;Notallelectropolishingsolutionsproducegoodetchingresults.DisadvantagesofElectrolyticPolishing:Manyofthechemicalmixturesusedinelectropolishingarepoisonousordangerousifnotproperlyhandled(seeSection5).Thesehazardsaresimilartothoseinvolvedinthemixingandhandlingofetchants,seeTestMethodsE407.Inmulti-phasealloys,thepolishingrateofeachphasemaybedifferent.Theresultmaybeanon-planarsurface.Electropolishedsurfacesmaybeslightlyundulatedratherthanperfectlyplanarand,therefore,maynotbesuitableforexaminationatallmagnifications.Therateofpolishinginareasadjacenttovariousinhomogeneities,suchasnonmetallicinclusionsandvoids,isusuallygreaterthanthatinthesurroundingmatrixandtendstoexaggeratethesizeoftheinclusionsandvoids.Dimples,pits,andwavinesslimitapplicationsinvolvingsurfacephenomena,coatings,interfaces,andcracks.Edgestendtobeattackedpreferentially,resultinginedgerounding.Artifactsmaybeproducedbyelectropolishing.Specimenmountingmaterialsmayreactwiththeelectrolyte.Theelectropolishedsurfacesofcertainmaterialsmaybepassiveanddifficulttoetch.Metalremovalratesbyelectropolishingareusuallyquitelow,typicallyabout1x03BC;m/min,andallofthepriorinduceddamagefromcuttingandgrindingmaynotberemovedifpreparationisstoppedaftera600-gritSiCgrindandelectropolishingtimesareshort.Alargenumberofelectrolytesmaybeneededtopolishthevarietyofmetalsencounteredbyagivenlaboratory.Considerabletimemayberequiredtodevelopaprocedureforanewalloy.1.1Thisguidedealswithelectrolyticpolishingasameansofpreparationofspecimensformetallographicpurposes.Proceduresaredescribedforpolishingavarietyofmetals.Note18212;References(1-133)onelectrolyticpolishingwillprovidethereaderwithspecificinformationbeyondthescopeofthisguide.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesn......
【中国标准分类号】:H24
【国际标准分类号】:25_220_20
【页数】:14P.;A4
【正文语种】:英语
