SAE AMS5801 Cobalt Alloy, Corrosion and Heat Resistant, Welding Wire, 39Co - 22Cr - 22Ni - 14.5W - 0.07La
时间:2024-05-26 14:41:28 来源: 标准资料网 作者：标准资料网 阅读：9709
Product Code:SAE AMS5801
Title:Cobalt Alloy, Corrosion and Heat Resistant, Welding Wire, 39Co - 22Cr - 22Ni - 14.5W - 0.07La
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant cobalt alloy in the form of welding wire.
【英文标准名称】:StandardTestMethodforVickersIndentationHardnessofAdvancedCeramics
【原文标准名称】:高级陶瓷的维氏压痕硬度的标准试验方法
【标准号】:ASTMC1327-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancedceramics;cracks;indentation;microscope;Vickershardness;Advancedceramics;Hardness(indentation);Microscopicexamination--advancedceramics;Opticalmicroscopy;Vickershardness(HV)
【摘要】:Foradvancedceramics,Vickersindentersareusedtocreateindentationswhosesurface-projecteddiagonalsaremeasuredwithopticalmicroscopes.TheVickersindentercreatesasquareimpressionfromwhichtwosurface-projecteddiagonallengthsaremeasured.Vickershardnessiscalculatedfromtheratiooftheappliedloadtotheareaofcontactofthefourfacesoftheundeformedindenter.(Incontrast,Knoopindentersarealsousedtomeasurehardness,butKnoophardnessiscalculatedfromtheratiooftheappliedloadtotheprojectedareaonthespecimensurface.)Vickersindentationhardnessisoneofmanypropertiesthatisusedtocharacterizeadvancedceramics.AttemptshavebeenmadetorelateVickersindentationhardnesstootherhardnessscales,butnogenerallyacceptedmethodsareavailable.Suchconversionsarelimitedinscopeandshouldbeusedwithcaution,exceptforspecialcaseswhereareliablebasisfortheconversionhasbeenobtainedbycomparisontests.Vickersindentationdiagonallengthsareapproximately2.8timesshorterthanthelongdiagonalofKnoopindentations,andtheindentationdepthisapproximately1.5timesdeeperthanKnoopindentationsmadeatthesameforce.Vickersindentationsareinfluencedlessbyspecimensurfaceflatness,parallelism,andsurfacefinishthanKnoopindentations,buttheseparametersmustbeconsiderednonetheless.VickersindentationsaremuchmorelikelytocausecracksinadvancedceramicsthanKnoopindentations.Thecracksmayinfluencethemeasuredhardnessbyfundamentallyalteringthedeformationprocessesthatcontributetotheformationofanimpression,andtheymayimpairorprecludemeasurementofthediagonallengthsduetoexcessivedamageattheindentationtipsorsides.Afullhardnesscharacterizationincludesmeasurementsoverabroadrangeofindentationforces.Vickershardnessofceramicsusuallydecreaseswithincreasingindentationsizeorindentationforce.Thetrendisknownastheindentationsizeeffect(ISE).Hardnessapproachesaplateauconstanthardnessatsufficientlylargeindentationsizeorforces.Thetestforcesorloadsthatareneededtoachieveaconstanthardnessvarywiththeceramic.Thetestforcespecifiedinthisstandardisintendedtobesufficientlylargethathardnessiseitherclosetoorontheplateau,butnotsolargeastointroduceexcessivecracking.AcomprehensivecharacterizationoftheISEisrecommendedbutisbeyondthescopeofthistestmethod,whichmeasureshardnessatasingle,designatedforce.1.1ThistestmethodcoversthedeterminationoftheVickersindentationhardnessofadvancedceramics.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_99
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Buildinglime-Part3:Conformityevaluation;GermanversionEN459-3:2011
【原文标准名称】:建筑石灰.第3部分:合格评定.德文版本EN459-3-2011
【标准号】:DINEN459-3-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;粘合剂;建筑石灰;化学成分;分类;商业格式;组分;一致性;合格测试;建筑;施工材料;定义(术语);名称与符号;检验;石灰;灰浆;物理性能;处理;性能;质量;质量保证;质量控制;质量标记;规范(验收);填充物;监督(认可);试验
【英文主题词】:Acceptancespecification;Bindingagents;Buildinglime;Chemicalcomposition;Classification;Commercialforms;Composition;Conformity;Conformitytesting;Construction;Constructionmaterials;Definitions;Designations;Inspection;Lime;Mortars;Physicalproperties;Processing;Properties;Quality;Qualityassurance;Qualitycontrol;Qualitymarks;Specification(approval);Stuffs;Surveillance(approval);Testing
【摘要】:ThisEuropeanStandardspecifiestheschemefortheevaluationofconformityofbuildinglimetotheircorrespondingproductstandardEN459-1.Itprovidesrulesforsurveillance,assessmentandacceptanceofthefactoryproductioncontrolandrulesforthefrequencyofinspections.TheEuropeanStandardspecifiestechnicalrulesforfactoryproductioncontrolbythemanufacturer,includingautocontroltestingofsamples.Italsoprovidesrulesforactionstobefollowedintheeventofnon-conformityandrequirementsfordispatchingcentres.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:15P.;A4
【正文语种】:英语