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【英文标准名称】:Sinteredmetalmaterials,excludinghardmetals-Determinationofapparenthardnessandmicrohardness(ISO4498:2005);EnglishversionofDINISO4498:2005
【原文标准名称】:不包括硬质金属的烧结金属材料.表观硬度和显微硬度的测定
【标准号】:DINISO4498-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-11
【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】:规范(验收);试验;元部件;硬度;抽样方法;硬度测量;粉末冶金;烧结产品;显微硬度;硬度试验;显微硬度试验;硬度等级;烧结硬度;材料;模制件;烧结材料;烧结金属
【英文主题词】:Brinellhardnessmeasurement;Components;Determination;Hardness;Hardnessclasses;Hardnessmeasurement;Hardnesstests;Materials;Materialstechnology;Metallicpowders;Microhardness;Microhardnesstesting;Mouldedparts;Powdermetallurgy;Rockwellhardnessmeasurement;Samplingmethods;Sintermaterials;Sinteredhardness;Sinteredmetals;Sinteredproducts;Specification(approval);Testing;Tests;Vickershardnessmeasurement
【摘要】:ThisInternationalStandardspecifiesmethodsofhardnesstestingofsinteredmetalmaterials,excludinghardmetals.1.1Procedure1determinestheapparenthardnessofthewholematerial.Procedure1appliestosinteredmetalmaterialswhichhaveeithernotbeensubjectedtoanyheattreatment,orwhichhavebeenheattreatedinsuchawaythatthehardnessisessentiallyuniformtoadepthofatleast5mmbelowthesurface,--appliestothesurfacesofsinteredmetalmaterialswhichhavebeentreatedinsuchawaythatthehardnessisnotuniforminthesectiontoadepthof5mmbelowthesurface,thereforeappliestomaterialsinwhichthehardnessisobtainedessentiallybysurfaceenrichmentbycarbon,orbycarbonandnitrogen(forexample,andbycarburising,carbonitriding,nitrocarburisingorsulphidising),and--appliestomaterialswhichhavebeeninductionhardened.1.2Procedure2determinesthemicrohardnessofthemetalphase.Procedure2--appliestoalltypesofsinteredmetalmaterials.--isused,inparticular,todeterminethehardnessprofileofcase-hardenedorcarbonitridedmaterialsaccordingtothemethoddescribedinISO4507.--alsoappliestoanysinteredmetallicmaterialswhichhavebeensubjectedtosurfacetreatmentssuchaselectrodepositedplating,chemicalcoating,chemicalvapourdeposition(CVD),physicalvapourdeposition(PVD),laser,ionbombardment,etc.Todeterminethemicrohardnessoftreatedsurfaces,Procedure2applies.NOTEHowever,itshouldbenotedthatinternationalagreementhasnotyetbeenreachedonanumberoffactorsinvolvedinmicrohardnesstesting.Nevertheless,theparametersdefinedinProcedure2areimportantenoughtoenableaconsiderablemeasureofstandardisationofextensivelyusedpractices.
【中国标准分类号】:H22
【国际标准分类号】:77_160
【页数】:18P.;A4
【正文语种】:英语

标准名称：	固体火箭发动机比冲效率的简化计算方法和计算机程序
中标分类：	航空、航天 >> 航天器及其附件 >> 航天器动力系统
发布日期：	1988-03-18
实施日期：	1988-12-01
首发日期：
作废日期：
出版日期：
页数：	36页

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