ASTM C 27-1993 耐火土及高矾土耐火砖的分类方法
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来源:标准资料网
【英文标准名称】:ClassificationofFireclayandHigh-AluminaRefractoryBrick
【原文标准名称】:耐火土及高矾土耐火砖的分类方法
【标准号】:ASTMC27-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:耐火材料;砖;耐火粘土;分类
【英文主题词】:classification;bricks;refractorymaterials;fireclay
【摘要】:
【中国标准分类号】:Q15
【国际标准分类号】:91_100_20
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:Leather;testsforcolourfastness;colourfastnesstoperspiration
【原文标准名称】:皮革色牢度试验耐汗渍的色牢度
【标准号】:ISO11641-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;材料强度;手套;耐汗渍;测定;衣服;色牢度;染色;皮革;模拟;鞋帮
【英文主题词】:Clothing;Colourfastness;Determination;Dyeing;Garmentleather;Gloves;Leather;Leatherproducts;Perspirationresistance;Resistancestoperspiration;Simulation;Strengthofmaterials;Testing;Uppers
【摘要】:Theprincipleofthemethodspecifiedissoakingaleatherspecimenandalsoapieceofadjacentfabric,laidagainsteachsidetobetested,inartificialperspirationsolution,leavingthecompositespecimenunderpressureforaspecifiedtimeinasuitableapparatus,dryingtheleatherspecimenandadjacentfabric,andassessingthechangeincolourofthespecimenandthestainingoftheadjacentfabricwiththegreyscales.Leatherswithafinishmaybetestedintactorwiththefinishbroken.Themethodisapplicabletoleatherofallkindsatallstagesofprocessing.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_30
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPlane-Strain(Chevron-Notch)FractureToughnessofMetallicMaterials
【原文标准名称】:金属材料平面变形(V型槽口)断裂韧度的测试方法(代替SAEARP1704)
【标准号】:ASTME1304-1997(2002)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;质量保证;金属;断裂试验
【英文主题词】:calibration-loadtestingmachines;loadtransducersformeasuringplanestrain(chevron-notch)fracture;toughnessofmetallicmaterials,test;chevronnotchedspecimen;cracking-crackgrowth;fracturetesting;loadingtests-metals/alloys;metalsandmetallicmaterials;smoothcrackgrowthdata;tension(tensile)properties/tests-tensilestrength
【摘要】:1.1Thistestmethodcoversthedeterminationofplane-strain(chevron-notch)fracturetoughnesses,KIvorKIvM,ofmetallicmaterials.Fracturetoughnessbythismethodisrelativetoaslowlyadvancingsteadystatecrackinitiatedatachevron-shapednotch,andpropagatinginachevron-shapedligament(Fig.1).Somemetallicmaterials,whentestedbythismethod,exhibitasporadiccrackgrowthinwhichthecrackfrontremainsnearlystationaryuntilacriticalloadisreached.Thecrackthenbecomesunstableandsuddenlyadvancesathighspeedtothenextarrestpoint.Forthesematerials,thistestmethodcoversthedeterminationoftheplane-strainfracturetoughness,KIvjorKIvM,relativetothecrackatthepointsofinstability.Note18212;OnedifferencebetweenthistestmethodandTestMethodE399(whichmeasuresKIc)isthatTestMethodE399centersattentiononthestartofcrackextensionfromafatigueprecrack.Thistestmethodmakesuseofeitherasteadystateslowlypropagatingcrack,oracrackattheinitiationofacrackjump.Althoughbothmethodsarebasedontheprinciplesoflinearelasticfracturemechanics,thisdifference,plusotherdifferencesintestprocedure,maycausethevaluesfromthistestmethodtobelargerthanKIcvaluesinsomematerials.Therefore,toughnessvaluesdeterminedbythistestmethodcannotbeusedinterchangeablywithKIc.1.2Thistestmethoduseseitherchevron-notchedrodspecimensofcircularcrosssection,orchevron-notchedbarspecimensofsquareorrectangularcrosssection(Figs.1-10).Theterms"shortrod"and"shortbar"areusedcommonlyforthesetypesofchevron-notchedspecimens.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:11P.;A4
【正文语种】:
