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1.
Modeling and optimizing of steel and mushy Al-28Pb alloy bonding 总被引:8,自引:0,他引:8
1 INTRODUCTIONAtpresent,thetypicalmaterialofneotypebear ingissteel backedAl 2 0Snalloybonding plate[1 ] .Forsteel backedAl 2 0Snalloybondingplate ,steelbackhashighstrengthwhichcanbeartheexternalload ,andAl 2 0SnalloylayerisalubricatingoneinwhichAlsubstratehasexcel… 相似文献
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1 INTRODUCTIONThecommonsteel backedAlbasebondingplateincludessteel backedAl Snbondingplate[1 ,2 ] andsteel backedAl Pbbondingplate[3 ,4] m 相似文献
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1 INTRODUCTIONNanocrystallineAl richglassalloyshaveattract edgreatattentionasanewmaterialduetoitsmuchhigherspecificstrengththanthehigheststrengthofconventionalcrystallineAl basedalloys[1 ] .Refs.[2 ,3]reportedthatthefracturestrengthisabove 1 0 0 0GPaforAl richamo… 相似文献
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INTRODUCTIONAl Pbhypermonotecticalloyisanewtypebear ingmaterial[1] .Greatemphasishasbeenputonites peciallysince 1990s[2~ 4 ] .PbhasexcellentlubricatingpropertywhichcanmatchthatofSn ,butitscostismuchlowerthanthatofSn ,soAl SnalloyisreplacedbyAl Pballoyinthefieldo… 相似文献
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张迎元 《中国有色金属学会会刊》2001,(1)
1 INTRODUCTIONAluminiumalloyswithhighdampingcapacitywerefoundinseveralalloysystems ,suchasAlSi,AlFeandAlNi[1~ 3] .Highdampingcapacityofthesealloyswereobtainedusuallybystrongcold process(deformationamountεislargerthan 90 % ) .Suchalargeplasticdeformationcausedby… 相似文献
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1 INTRODUCTIONRapidlysolidified (RS)Al Fe V Siheat resist ingalloyhasrecentlydrawnmuchattentioninastron avigationandaviationfieldforitsexcellentmechani calpropertiesatbothambientandhightemperatures,lowdensityandlowcost[1~3] .Previousstudiesshowedthatthemainca… 相似文献
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Behavior of calcium silicate in leaching process 总被引:3,自引:0,他引:3
1 INTRODUCTIONIngeneral ,aluminacan tbeproducedeconomicallybyBayerprocessinChinabecausethebauxitecharacter izesindiasporeandabout 80 %bauxiteexistinlowde greeofthemassratioofaluminatosilica(A/S)whichvariesfrom 4to 9[1] .Andabout 4 0 %ofaluminaispro ducedbysintering… 相似文献
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1 INTRODUCTIONGrainrefinementofferssubstantialbenefitsinbothcontinuouscastingbydirectchill (DC)andincast to shapeproducts[1].Al 5%Ti 1 %Bmasteral loy ,whichmainlycontainsTiAl3andTiB2 particlesinAlmatrix[2 ,3]hasbeenproventogivethebestgrainrefinement[4 ,5 ].Additionof 0 … 相似文献
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02 0 0 1 N 杂环化合物对Al Si合金在盐酸中腐蚀的影响。A .A .Mazhar ,etal.InfluenceofN hete rocycliccompoundsonthecorrosionofAl Sialloyinhydrochloricacid .Corrosion ,2 0 0 2 ,5 8(3) :192~2 0 0 .0 2 0 0 2 脂肪酸氨基脲硫对软钢腐蚀的缓蚀作用。M .A .Quraishi,etal.Inhibitionofmildsteelcorro sioninthepresenceoffattyacidthiose… 相似文献
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1 INTRODUCTIONThebulkamorphousalloysofMg TM Ln ,Ln Al TM ,Zr Al TM ,Hf Al TMandTi Zr TMwerepreparedbyInoueandhisco workerssince 1990 [1] .Thec 相似文献
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1 INTRODUCTIONAlliedSignalCompanyinAmericanfirstde signedaseriesofrapidlysolidified (RS)Al Fe V Sialloyswithhighspecificstrengthandexcellentheat resistance[1~ 6] .Thistypeofmaterialsweremadebyusingmeltspinningribbons ,mechanicalgrainding ,vacumdegassing ,hotpre… 相似文献
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1 INTRODUCTIONTiAlalloysarepotentialaerospaceenginemateri alsbecauseoftheirlowdensityandhighperformanceatelevatedtemperature[1] .Se 相似文献
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1 INTRODUCTIONInthepasttwodecadesmuchattentionhasbeenpaidtothestudyofCu Al Nishapememoryal loys[1~ 7] .Resultsshowthatthealloyshaverelativelygood phasestability[8] ,goodagingstability[9] andhighsuperelasticity[10 ,11] .Intheresearchofsupere lasticityandtrainingforob… 相似文献
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1 INTRODUCTIONCu basedshapememoryalloys (SMAs)arecom merciallyattractivesystemsforapplicationsbecauseoftheirlowercost.Uptonow ,Cu ZnandCu AlbasedSMAshavebeenwidelystudied .However,theseCu basedalloys,especiallythealloysofCu Al NisystemandtheoneswithhighAlcont… 相似文献
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1 INTRODUCTIONMischmetalbasedAB5 typeMm (NiCoMnAl) 5alloysarenowwidelyusedasthenegativeelectrodematerialsofNi/MHbatteries.Amongtheelementsofthealloys,Cohasbeenbelievedtohavetheeffectofloweringthevolumeexpansionofthecompoundonhydrogenation[1 ] andpreventingth… 相似文献
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1 INTRODUCTIONAluminiumalloysreinforcedwithaluminidepar ticles (NiAl3,FeAl3,ZrAl3,TiAl3,etc) possesshighspecificstrength ,highspecificmodulusandex cellentpropertiesbothatambientandelevatedtem perature[1~ 6 ] .Comparedwithmostotheraluminium richintermetallic ,Al3Tii… 相似文献
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1 INTRODUCTIONAl Mg Scalloy possesseshighstrength ,hightoughness,lowerdensity,goodweldabilityandcor rosionresistance[1 ,2 ] .Applyingthesuperplasticityofthesealloystoformimportantcomplexpartsforthespacecraftisasignificantresearchsubjectatpre sent[3 ,4] .Thisresea… 相似文献
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Effect of high temperature aging on microstructure and mechanical properties of a directionally solidified Ni3Al base alloy IC6A 总被引:2,自引:0,他引:2
1 INTRODUCTIONThedirectionallysolidifiedNi3AlbasealloyIC6AwiththechemicalcompositionofNi (7.5~8.5 )Al (13.0~ 15 .0 )Mo (0 .0 2~ 0 .1)B (0 .0 0 5~0 .0 5 )Y (massfraction ,% )hasbeenrecentlydevel opedbasedonalloyIC6asahigh temperaturestruc turalmaterialusedforadvancedjet enginevanesop er… 相似文献
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Kinetics on oxidation process of MgAlON spinel 总被引:1,自引:0,他引:1
1 INTRODUCTIONTheformulaofaluminumoxynitrideisAl(6 4 x) /3O32 -xNxandthemoststableAlONhasaspinelstructureofx =5,i.e .Al2 3O2 7N5 .Thealu minumandmagnesiumoxynitride (MgAlON )isasolidsolutionofMgOdissolvedinAlONspinel,andMgAlONisaverystablespinel[1,2 ].Itisaveryuse fulhigh… 相似文献
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Aluminothermal reaction to prepare Al-Ti-C master alloy 总被引:4,自引:1,他引:3
1 INTRODUCTIONSincealuminothermalreactionwasputforwardtoprepareAl Timasteralloyin 1 958[1],ithasbeenwidelyusedtoproduceAl TimasteralloythroughthereactionbetweenTi containingfluoridesaltssuchaspotassiumtitaniumfluoride ,K2 TiF6 ,andaluminummelt,andwaslateradapte… 相似文献