共查询到20条相似文献,搜索用时 31 毫秒
1.
J. Zhang ) G.P. Li) D. Li) ) Institute of Metal Research The Chinese Academy of Sciences Shenyang China ) Shenyang University Shenyang China 《金属学报(英文版)》1999,12(4):659-663
1.IntroductionHightemperaturetitaniumalloysforuseingasturbineengines,airframesandotherapplicationshasexperiencedalongtime.Thehighstrengthtodensityratiooftitaniummakesitaveryattractivedesignchoiceinenergyefficienthighthrusttoweightengines.Tita… 相似文献
2.
1IntroductionTherearealotofnonmetallicmaterialssuchasceramics,fiberreinforcedplasticsandvariouswoodbasedproducts,nonferrousmetalsandalloys,andcompositeswhichcannotbemachinedusingcementedcarbidecuttingtools.Withthecontinualdevelopmentsandengine… 相似文献
3.
Zhang Liming 《中国有色金属学会会刊》1999,9(3):1
1 INTRODUCTIONZincbasedcastalloyscontainingahighconcentrationofaluminumandsomecopperhavebeenfoundtobeeconomicalandeffectiveforsubstitutesforbronzeinavarietyofgeneralengineeringwiththeirexcellentcomprehensivemechanicalpropertiesandwearresistance… 相似文献
4.
Z. M. Xiu) L. X. Ding) Z. J. Zhao) J. You) Z. Zhang) F. M. He)and X. D. Sun)) School of Materials Metallurgy Northeastern University Shenyang China) Department of Materials School of Mechan 《金属学报(英文版)》1999,12(5):1198-1201
1.IntroductionBoronisaveryeffectiveliquidphasesinteringadditivetoiron〔1-2〕.TheFeBCphasediagramshowsaternaryeutecticreactionoccurringat1097℃〔3〕.AdditionofFeBandFeCmasteralloypowderstoFeMoBCsinteredsteelscanactivatethesinteringprocessbyliquidpha… 相似文献
5.
J. Chen B. Y. Huang X. H. Qu Powder Metallurgy Research Institute Central South University of Technology Changsha China Z. Q. Hu Institute of Metal Research Chinese Academy of Sciences Shenyang China 《中国有色金属学会会刊》1999,(Z1)
1 INTRODUCTIONAlrichNi3Al(stoichiometricandhyperstoichiometric)issuperiortoNirichNi3Alasahightemperaturematerial.ItisconsiderablystrongerthanNirichNi3Alathightemperature[1].Inaddition,AlrichNi3AlismoreresistanttooxidationthanNirichNi3Albecaus… 相似文献
6.
Study on microstructures of micron Si3N4 composite ceramic with addition of nano SiC and SiC whisker 总被引:1,自引:0,他引:1
1-IntroductionTheSi3N4ceramicasahightemperaturestructuralmaterialhasattractedanextensiveattentionlongago,andwasextensivelystudiedin70′sinUSA,UK,GermanyandJapan,butthefieldsofapplicationwererestrictedbecauseitsstrengthdramaticallydescreasesatabo… 相似文献
7.
X.Y.Zhang Z.N.Liu J.Yi Z.W.Chen Dept.of Materials Eng. Southwest Jiaotong University Chengdu China 《金属学报(英文版)》1999,12(4):630-632
1.IntroductionInlaboratory,sputteringmagnetoopticalfilmisoftenobtainedbyusinginlaidtargetandtherelationshipsamongcomposition,sputteringparametersandmagnetoopticalpropertiesarestudiedbyvaryingsputteringparameters〔12〕.However,inthepracticalmagneto… 相似文献
8.
Y.H. Wei L.Q. Hu L.S. Jian L. Lu B.S. Xu College of Materials Science Engineering Taiyuan University of Technology Taiyuan China 《金属学报(英文版)》1999,12(4):581-584
1.IntroductionAlLibasedalloysareaginghardenedalloys,theirmechanicalpropertiesdependtoaconsiderableextentonphasetransformationprocess.Intherecentyears,investigationontheprocessofagingtransformationinAlLibasedalloymainlyconvergesontheinitialstageo… 相似文献
9.
Q.S. Liu ) L.C. Zhao) G.X. Dong) N.J. Gu) ) Heibei University of Technology Tianjin China ) Tianjin Institute of Technology Tianjin China ) Harbin University of Technology Harbin China 《金属学报(英文版)》1999,12(4):668-672
1.PrefaceForFeMnSialloyfamily,γ→εmatensitictransformationissemithermoplastic,andstructureoftheparentphaseisdisordered.ThemechanismofshapememoryofthiskindofalloyisdifferentfromthatofNiTiandCubasealloy.theshapememoryeffectoftheFeMnSialloyfamilyor… 相似文献
10.
F.C.Zhang ) B.T.Hu ) L.X.Zhang ) C.F.Lin ) ) Department of Materials Science Engineering Yanshan University Qinhuangdao China ) Institute of Metal Research The Chinese Academy of Sciences Shenyang C 《金属学报(英文版)》1999,12(5):1069-1072
1.IntroductionSinceIijimadiscoverednanocarbontubein1991.Theseonedimensionalnanomaterialshaveimportantbasestudyvalueandpotentialapplicationvaluebecauseoftheirspecificstructurecharactersandnewphysicalpropertiesdissimilartothebasematerials,nowtheyar… 相似文献
11.
Zhang Wenkui 《中国有色金属学会会刊》1999,9(3)
1 INTRODUCTIONTheAB2typeZrbasedLavesphasehydrogenstoragealloyshavebeenstudiedextensivelyduetotheirhighcapacity,longcyclelifetimeandthepotentialtobecomeapromisingcandidateforAB5typealloysinNiMHbatteries[1,2].UnlikethecommonAB5typehydrogenstorag… 相似文献
12.
G.L.Huang Department of Materials Engineering Jiangsu University of Science Technology Zhenjiang China 《金属学报(英文版)》1999,12(5):845-848
1.Introduction45steelisusedwidelyinChina.Theprocessisasusualthefollow:forgingmachiningroughlyquenchingtemperingathightemperaturemachiningfinely.Consumingenergyandbadsurfaceconditionarethemajordefectsofthisprocess.Sometimesthefine,homogeneousaust… 相似文献
13.
Zhang Kui 《中国有色金属学会会刊》1999,9(3):22
1 INTRODUCTIONMetalforminginthesemisolidstateisnowbecominganewgenerationmetalformingprocessforitseasytorealizenearnetshapeforming,prolongedmoldlife,reductioninsolidificationshrinkage,porosityandsegregation,aswellasitsnondendriticmicrostructurean… 相似文献
14.
Y.H.Wen ) N.Li ) Y.G.Xu ) M.J.Tu ) P.Q.Li ) Y.L.Liu ) Y.L.Ma ) ) Department of Materials Shaping Controlling Engineering Sichuan University Chengdu China ) Xi'an Petroleum Pipe Research Ins 《金属学报(英文版)》1999,12(5):739-742
1.IntroductionIthasbeenreportedthatFeMnSiCrNishapememoryalloysexhibitnotonlyagoodshapememoryeffect(SME),butalsoagoodcorrosionresistance〔1,2〕,comparedwithFeMnSialloys.Furthermore,itcanbeusedinmanufacturingpipecouplingsbecauseofitshighphasetransf… 相似文献
15.
Z.F.Peng) Y.Y.Ren) Q.S. Mei) Y.Q.Wang) X.Y.Zhang) M.S.Ye) ) Department of Materials Engineering Wuhan University of Hydraulic Electric Engineering Wuhan China ) Department of Superalloys CentralIron Steel Research Ins 《金属学报(英文版)》1999,12(4):436-441
1.IntroductionMuchworkhasbeendoneontheeffectsofmicroalloying〔14〕,solidsolutionandagingtreatment〔2,46〕,andgrainboundaryprecipitation〔2,4,7〕onelevatedtemperaturemechanicalpropertiesofrefractoryalloys.Tomeasurecomplexmechanicalpropertiesofarefractor… 相似文献
16.
RECRYSTALLIZATION IN A SPINODAL Cu Ni Fe ALLOY 总被引:1,自引:0,他引:1
S.M. Hao X.J. Hao G. Zhao H.X. Li Schoolof Materials Metallurgy Northeastern University Shenyang China 《金属学报(英文版)》1999,12(4):322-326
1.IntroductionNanometergradetwophasemicrostructurecouldbeachievedthroughspinodaldecomposition〔1〕,andmagnetismofpermanentmagnetmaterialCuNiFewasimprovedbySpinodaldecomposition〔2〕.However,nosystematicstudyonthechangesduringagingtreatmentofthesolut… 相似文献
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1IntroductionTherelativelynewmetastableβtitaniumalloy(β21S)hasfoundincreasingapplicationsinaerospaceprograms,especiallyinmetalmatrixcompositesinfuturehypersonicvehiclesforitsattractivecombinationofproperties.Theβ21Salloyisstripproducible,coldr… 相似文献
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1 INTRODUCTIONBothcompositionandprocessrouteareimportantfactorsindeterminingthepropertiesofTiAlbasedalloysandithasbeenshownthroughanumberofstudiesthatrefinementofthestructureisaveryefficientwaytoimproveproperties[1].Inthecaseofcastalloystheuseof… 相似文献
19.
1IntroductionDendrimerligandsareasortofimportantpolyfunctionalcomplexantshavinghighlyorderlyspatialstructureandinnercavitieswithdefinitesize,andithasbeenfoundthattheyhavemanypotentialapplications,suchasmoleculerecognitionagents,highlyeffectiveex… 相似文献
20.
Liu Zengcai 《中国有色金属学会会刊》1999,9(3):2
1 INTRODUCTIONTherearetwokindsofmechanismofdezincificationinbrass[1].Oneisdissolutionresedimentationandtheotherispreferentialsolutionofzinc.Cooperationofbothmechanismsisalsoreported.Pickeringetal[2]pointedoutthatpreferentialdissolutionofzincinbr… 相似文献