【英文标准名称】:Aerospaceseries-Paintsandvarnishes-Twocomponentcoldcuringpolyurethanefinish-Part001:Basicrequirements;GermanandEnglishversionEN2434-001:2010
【原文标准名称】:航空航天系列.涂料和清漆.双组分冷固化聚氨酯光洁度.第001部分:基本要求;德文和英文版本EN2434-004-2010
【标准号】:DINEN2434-001-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-12
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Chemicalproperties;Coatingmaterials;Coatingvarnishes;Definitions;Finishingpainting;Paints;Physicalproperties;Polyurethane;Spacetransport;Specification(approval);Two-componentcoatings;Workhardening
【摘要】:
【中国标准分类号】:V13
【国际标准分类号】:49_040
【页数】:23P;A4
【正文语种】:德语
基本信息
| 标准名称： | 烧结金属材料(硬质合金除外)横向断裂强度的测定 |
| 替代情况： | 替代JB 2868-1981 |
| 发布日期： | |
| 实施日期： | 1986-10-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 3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
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所属分类： 车辆 车辆综合 工艺与工装
【英文标准名称】:StandardTestMethodforConditionMonitoringofSulfateBy-ProductsinIn-ServicePetroleumandHydrocarbonBasedLubricantsbyTrendAnalysisUsingFourierTransformInfrared(FT-IR)Spectrometry
【原文标准名称】:使用傅里叶变换红外(FT-R)光谱法通过趋势分析监控使用中的石油和碳氢化合物基润滑剂中的硫酸盐副产品的状态的标准试验方法
【标准号】:ASTMD7415-2009
【标准状态】:现行
【国别】:
【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】:D02.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:条件控制
【英文主题词】:conditionmonitoring;differentialtrendanalysis;directtrendanalysis;Fouriertransforminfrared;FT-IR;hydrocarbonbasedlubricants;in-servicepetroleumlubricants;infrared;IR;lubricants;oils;sulfateby-products
【摘要】:Anincreaseinsulfatematerialcanbeanindicatorofoildegradationcausedbyoxidationofsulfurintheoilandsulfurinfuel.Itcanalsoindicatethebreakdownoroxidationofsomekeyadditivesintheoilsuchasantiwearandextremepressureadditivesaswellasblow-byconcerns.Asoxidizedsulfurfromblow-byentersthelubricant,itwillconsumetheoverbaseadditivetogeneratesulfateby-products.Monitoringofsulfateby-productsisthereforeanimportantparameterindeterminingoverallmachineryhealthandindeterminingadditivedepletionandshouldbeconsideredinconjunctionwithdatafromothertestssuchasatomicemission(AE)andatomicabsorption(AA)spectroscopyforwearmetalanalysis(TestMethodD5185),physicalpropertytests(TestMethodsD445,D2896,andD6304),basenumbertests(TestMethodsD974andD4739)andotherFT-IRoilanalysismethodsfornitration(PracticeE2412),oxidation(TestMethodD7414),additivedepletion(TestMethodD7412),breakdownproductsandexternalcontaminants(PracticeE2412),whichalsoassesselementsoftheoilx2019;scondition,seeRefs(1-6)1.1Thistestmethodcoversmonitoringsulfateby-productsinin-servicepetroleumandhydrocarbonbaseddieselcrankcaseengineandmotoroilsthathaveasulfurcontentofgreaterthan500ppm.Thistestmethodshouldnotbeemployedwhenlow-sulfurfuelsareusedforcombustion.1.2ThistestmethodusesFourierTransformInfrared(FT-IR)spectrometryformonitoringbuild-upofsulfateby-productsinin-servicepetroleumandhydrocarbonbasedlubricantsasaresultofnormalmachineryoperation.Sulfateby-productscanresultfromtheintroductionofsulfurfromcombustionorfromtheoxidationofsulfur-containingbaseoiladditives.Thistestmethodisdesignedasafast,simplespectroscopiccheckformonitoringofsulfateby-productsinin-servicepetroleumandhydrocarbonbasedlubricantswiththeobjectiveofhelpingdiagnosetheoperationalconditionofthemachinebasedonmeasuringthelevelofsulfateby-productsintheoil.1.3AcquisitionofFT-IRspectraldataformeasuringsulfateby-productsinin-serviceoilandlubricantsamplesisdescribedinPracticeD7418.Inthistestmethod,measurementanddatainterpretationparametersforsulfateby-productsusingbothdirecttrendanalysisanddifferential(spectralsubtraction)trendanalysisarepresented.1.4Thistestmethodisbasedontrendingofspectralchangesassociatedwithsulfateby-productsofin-servicepetroleumandhydrocarbonbasedlubricants.Warningsoralarmlimitscanbesetonthebasisofafixedminimumvalueforasinglemeasurementor,alternatively,canbebasedonarateofchangeoftheresponsemeasured,seeRef(1).1.4.1Fordirecttrendanalysis,valuesarerecordeddirectlyfromabsorptionspectraandreportedinunitsofabsorbanceper0.1mmpathlength.1.4.2Fordifferentialtrendanalysis,valuesarerecordedfromthedifferentialspectra(spectrumobtainedbysubtractionoftheabsorptionspectrumofthereferenceoilfromthatofthein-serviceoil)andreportedinunitsof100*absorbanceper0.1mmpathlength(orequivalentlyabsorbanceunitspercentimetre).1.4.3Ineithercase,maintenanceactionlimitsshouldbedeterminedthroughstatisticalanalysis,historyofthesameorsimilarequipment,roundrobintestsorothermethodsinconjunctionwiththecorrelationofsulfateby-productchangestoequipmentperformance.Note18212;Itisnottheintentofthistestmethodtoestablishorrecommend......
【中国标准分类号】:
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】: