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1.
Liu Peisheng 《中国有色金属学会会刊》1999,9(3):2
1 INTRODUCTIONHighporositymetalmaterialsarewidelyapplieddailyfortheirspecificcharacteristic[1~5].Asengineeringmaterials,themechanicalpropertiesarebasicforthem[1,3,5].Porousbodiesneedbetensioned,pressed,bentorshapedinsomecases,sohighporositymetalmat… 相似文献
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1IntroductionIn1970′s,manyresearchersbeganstudyongold(Ⅰ)extractionfromalkalinecyanidesolution[1,2],butitwasinteruptedduetoth... 相似文献
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1-IntroductionGermanates,withresemblancetosilicatesinchemicalproperties,havebeensynthesizedbymanymethods,suchashightemperaturesolidreaction,hydrolysiscondensationpolymerizationofmetallicorganiccompoundsandhydrothermalcrystallization[1~3].Especiall… 相似文献
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1IntroductionRef.1,2reportedthestudyresultsofCoPrbinarysystem.Theyobservedtheexistenceofnineintermetaliccompounds,Pr2Co17,... 相似文献
5.
Wu Shusen 《中国有色金属学会会刊》1999,9(3)
1 INTRODUCTIONAstheparticlereinforcedaluminummatrixcompositesaresuperiorinstrengthandwearresistance,theapplicationsofthecompositeshavebeenadvancedinmanyaspects,suchasinautomobilepartsandsportsarticles[1~3].However,forthemassiveproductionofthecompos… 相似文献
6.
Wang Maoqiu 《中国有色金属学会会刊》1999,9(3)
1 INTRODUCTIONDuringpasttwentyyears,compositecoatingsproducedbylasercladdinghaveshowngreatperspectiveinmaterialsurfacehardeningbecauseoftheirhighmicrohardness,excellentwearresistanceandgoodcorrosionresistance[1].Thiskindofcoatingsismostlyformedwith… 相似文献
7.
《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONOnewaytoselectcandidatealloysofpossibleinterestforhightemperatureapplicationsistorequireacombinationofhighmeltingtemperatureandlowdensity,asreportedbyFleischer[1].Heshowedthat,ingeneral,L12alloysareprobablynotverygoodcandidates,since… 相似文献
8.
《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONTiAlalloyshavebeenreceivinganincreasingattentionbecauseoftheirhighspecificstrength,excellentstiffness,goodoxidationresistance,andcreepresistance[1-3].However,thesealloyssufferfromalowductilityuptoabout600℃.Extensiveinvestigationofallo… 相似文献
9.
Chai Liyuan 《中国有色金属学会会刊》1999,9(3)
1 INTRODUCTIONThemechanismandchemicalprocessfordissolvinggoldinacidicthioureasolutionwerestudiedbymanyresearchers[1~5],whogenerallythoughtthatthioureaasastrongligandcomplexesselectivelywithgoldiontoformstablecomplexionAu[CS(NH2)2]+2,andsomeoxidants… 相似文献
10.
B. Y. Huang Y. H. He B. Wang Y. Liu National Key Laboratory for Powder Metallurgy Central South University of Technology Changsha China 《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONAsresearchgoesonthedeficiencieswithTiAlbasedalloyshavebeenovercometosomeextent.Thesedeficienciesincludelowroomtemperatureductility,lowhotplasticdeformationability,andinadequateoxidationresistanceattemperaturesabove850℃[1-3].Asaresult,… 相似文献
11.
1IntroductionManyanalyticalmethodsforthequantitativedeterminationofLa(Ⅲ)havebeenreported[1,2],inwhichrelatedCLanalysishasneverbeeninvolved.Inthispaper,anewmethodofflowinjectionCLapplicationforthedeterminationofLa(Ⅲ)ionispresented.Itisbasedontheinh… 相似文献
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WROUGHT TiAl ALLOY DESIGN 总被引:10,自引:3,他引:7
Young Won Kim Materials Manufacturing Directorate Air Force Research Laboratory Wright Patterson AFB OH U. S. A. 《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONSincethefirstmeasurementsofmechanicalpropertiesandoxidationresistanceinabinaryTiAlcastalloyintheearly1950’s,ensuingreports[1-4]haveconfirmedvariouspropertiesbeneficialtohightemperaturestructuralapplicationsincludinglowdensity,excellen… 相似文献
13.
Liu Zhiyi 《中国有色金属学会会刊》1999,9(3)
1 INTRODUCTIONGenerally[1~4],fractureinsuperplasticdeformationisintergranular.Butatacertaincondition,itcanexhibitalocalinteriorfracture.Ref.5realizedthatsuchaparticularfracturewascreatedbyahighlocalstresscausedbytherotationandrearrangementofthegra… 相似文献
14.
EIGEN THEORY OF ELASTIC DYNAMICS FOR ANISOTROPIC SOLIDS 总被引:6,自引:0,他引:6
Guo Shaohua College of Resources Environment Civil Engineering Central South University of Technology Changsha P. R. China 《中国有色金属学会会刊》1999,9(2)
1INTRODUCTIONTheconceptofeigenelasticityoriginatedfromKelvin’swork[1,2].Itisinlastdecadethateigenelasticitywasstudiedagainand... 相似文献
15.
I.Baker Thayer School of Engineering Dartmouth College Hanover New Hampshire U.S.A. 《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONB2ororderedbodycenteredcubiccrystalcompoundsoftenexistoverarangeofcompositionsoneithersideofthestoichiometriccomposition[1].Deviationsfromthestoichiometriccompositionareaccommodatedbyconstitutionaldefects,thatis,eitherbyvacanciesonth… 相似文献
16.
Xiong Chuanxi Institute of Materials Science Engineering Wuhan University of Technology Wuhan P. R. China Wen Dijiang School of Chemistry Chemical Engineering Suzhou University Suzhou P. R. China 《中国有色金属学会会刊》1999,9(2)
1INTRODUCTIONTheresearchofnanometermetal,ceramicsandpolymerhasbeingflourishedinworldsinceGleiterH[1],preparedthenanometerpart... 相似文献
17.
1-IntroductionSincerareearthelementshavestrongaffinitytooxygen,sulphurandotherdetrimentalelements,deoxidation,desulphurizationandremovalofdetrimentalelementscanbecarriedoutbyadditionofrareearthelementstoliquidcopper,achievingacleanliquidcopper,clea… 相似文献
18.
Liu Guankun Tong Yexiang Yang Qiqin Hong Huichan Chen Shengyang School of Chemistry Chemical Engineering Zhongshan University Guangzhou P. R. China 《中国有色金属学会会刊》1998,(3)
1INTRODUCTIONYbNialoycanbeusedtomanufacturefunctionalmaterials[1,2].ItisnecesarytostudytheelectrochemicalbehaviourofYb(Ⅲ)onN... 相似文献
19.
Dislocation evolution with rheological forming of metal 总被引:7,自引:4,他引:3
Luo Yingshe 《中国有色金属学会会刊》1999,9(3):1
1 INTRODUCTIONUntilnow,formostoftheappliedengineeringmaterials,therewouldbesomeinternaldefectsinthem;forexamples,impurities,cracks,cavities,pointdefectssuchasdisplacedatomorforeignmatteratoms,andlinedefectssuchasdislocation,planedefectscausedbypiled… 相似文献
20.
Liu Yuying Zhang Hui Peng Dashu Wang Caikun Department of Materials Science Engineering Central South University of Technology Changsha P. R. China 《中国有色金属学会会刊》1999,9(2)
1INTRODUCTION6201Aluminumaloyisusedforoverheadconductivewire,whichcanbefabricatedbythefolowingmethods[1-4].(1)Conventionalpro... 相似文献