DIN EN 28049-1992 镍铁细粒.分析取样
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来源:标准资料网
【英文标准名称】:Ferronickelshot;samplingforanalysis(ISO8049:1988);germanversionEN28049:1992
【原文标准名称】:镍铁细粒.分析取样
【标准号】:DINEN28049-1992
【标准状态】:现行
【国别】:德国
【发布日期】:1992-07
【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】:化学分析和试验;铁合金;铁类合金;镍铁;抽样方法
【英文主题词】:Chemicalanalysisandtesting;Ferro-alloys;Ferronickel;Ferrousalloys;Particulatematerials;Samples;Sampling;Samplingmethods
【摘要】:ThedocumentdefinesamethodofsamplingforanalysisofferronickellotsintheformofshotasspecifiedinISO6501inthosecaseswherelotsareconstitutedeitherheatbyheatortakingfromblendedstock.Thepurposeistodeterminethecontentsofthevariouselements;eitherfromslugsbyphysicalanalysismethods(suchasX-rayfluorescence)oremissionspectralanalysis);orfromchipsbydrymethods(carbon,sulfur)orchemicalanalysis(otherelements).#,,#
【中国标准分类号】:H42
【国际标准分类号】:77_100
【页数】:18P.;A4
【正文语种】:德语
【英文标准名称】:Specificationforinksforletterpressthree-orfour-colourprinting(BritishandEuropeancommonstandard)
【原文标准名称】:三色或四色凸版印刷用油墨规范(英国和欧洲通用标准)
【标准号】:BS4160-1967
【标准状态】:作废
【国别】:英国
【发布日期】:1967-04-03
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:透明度;印刷油墨;墨水;彩色印刷;凸版印刷;印刷材料;颜色;印刷;染色试验
【英文主题词】:colour;printing;colourtests;printingmaterials;letterpressprinting;transparency;inks;printinginks;colourprinting
【摘要】:
【中国标准分类号】:A17
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforYoung''sModulus,TangentModulus,andChordModulus
【原文标准名称】:杨氏弹性模量、正切模量和弦切模量的标准试验方法
【标准号】:ASTME111-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属;机械试验;带条;试验;正切模量;弹性模量
【英文主题词】:chordmodulus;stress-straindiagram;tangentmodulus;Young'smodulus
【摘要】:ThevalueofYoungrsquo;modulusisamaterialpropertyusefulindesignforcalculatingcomplianceofstructuralmaterialsthatfollowHookersquo;lawwhensubjectedtouniaxialloading(thatis,thestrainisproportionaltotheappliedforce).Formaterialsthatfollownonlinearelasticstress-strainbehavior,thevalueoftangentorchordmodulusisusefulinestimatingthechangeinstrainforaspecifiedrangeinstress.Sinceformanymaterials,Youngrsquo;modulusintensionisdifferentfromYoungrsquo;modulusincompression,itshallbederivedfromtestdataobtainedinthestressmodeofinterest.Theaccuracyandprecisionofapparatus,testspecimens,andproceduralstepsshouldbesuchastoconformtothematerialbeingtestedandtoareferencestandard,ifavailable.PrecisedeterminationofYoungrsquo;modulusrequiresdueregardforthenumerousvariablesthatmayaffectsuchdeterminations.Theseinclude(1)characteristicsofthespecimensuchasorientationofgrainsrelativetothedirectionofthestress,grainsize,residualstress,previousstrainhistory,dimensions,andeccentricity;(2)testingconditions,suchasalignmentofthespecimen,speedoftesting,temperature,temperaturevariations,conditionoftestequipment,ratiooferrorinappliedforcetotherangeinforcevalues,andratiooferrorinextensionmeasurementtotherangeinextensionvaluesusedinthedetermination;and(3)interpretationofdata(seeSection9).Whenthemodulusdeterminationismadeatstrainsinexcessof0.25%,correctionshouldbemadeforchangesincross-sectionalareaandgagelength,bysubstitutingtheinstantaneouscrosssectionandinstantaneousgagelengthfortheoriginalvalues.Compressionresultsmaybeaffectedbybarreling(seeTestMethodsE9).Strainmeasurementsshouldthereforebemadeinthespecimenregionwheresucheffectsareminimal.FIG.2Load-DeviationGraph1.1ThistestmethodcoversthedeterminationofYoung''smodulus,tangentmodulus,andchordmodulusofstructuralmaterials.Thistestmethodislimitedtomaterialsinwhichandtotemperaturesandstressesatwhichcreepisnegligiblecomparedtothestrainproducedimmediatelyuponloadingandtoelasticbehavior.1.2Becauseofexperimentalproblemsassociatedwiththeestablishmentoftheoriginofthestress-straincurvedescribedin8.1,thedeterminationoftheinitialtangentmodulus(thatis,theslopeofthestress-straincurveattheorigin)andthesecantmodulusareoutsidethescopeofthistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:A52
【国际标准分类号】:19_060
【页数】:7P.;A4
【正文语种】:
