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1 MATERIALSCHINA Vol 29 No 11 Nov 2010!"# $%&' "# () ( ()*+,-. /01, ) * +: 234%5() :; : : () <=>;34%(),?@AB=,CAD AE ; ; :,-4%% FG H(IJ;34%() 7KLMNO ;%K9,1 2A P%Q RSTU VWXY BFe U( A A Cu-12%( 8 )Al ;Z[\A],-4%.;^_`a+bc 9 D \;R,,6R, O, `a*+z[\,-4 %.;1,-.:34%();Z[\;A P%Q;VWX ;RSTU /01 :TG14;TG3 :A 23 : (2010) DevelopmentofCompactProcesesforHigh EficiencyFabricationofHard to WorkingMetals XIEJianxin (KeyLabofAdvancedMaterialsProcesing(MOE),UniversityofScienceandTechnologyBeijing,Beijing100083,China) Abstract:Itisproposedthathard to workingmetalscanbecategorizedintotwotypes.onetypeoriginatesfromtheintrin sicalpropertyofthemetals,suchashighbritlenesorhighmeltingpointandhighresistancetodeformation.theothertype originatesfromthecomplicatedprocesingtechniqueandlowproductyieldofthemetals.basedontheworkoftheauthor s researchgroupinrecentyears,thedevelopmentofcompactprocesesforhigheficiencyfabricationofhighsiliconsteel,pre cisioncopperpipe,heatexchangerbfe10 1 1aloy(C70600)tubeandhighperformanceCu 12%(masfraction)Alaloy wasintroducedsubstantialy.itisalsoproposedthataccuratelycontrolingmicrostructure,shapeanddimensionofthepro ductscanbeachievedthroughaccuratelycontrolingthemeltandsolidificationbehavior,whichservesasasignificantapp roachforthedevelopmentofadvancedcompactprocesofmetalprocesing. Keywords:hard to workingmaterial;compactproces;highsiliconsteel;heatexchangertube;precisioncopperpipe 4 5,-4%. ();O = Y=>; ^_`a*+;,-4%., ab"() +"(); Y, A() ; Y=> 6 = + (); X?@1 ab7 =; > Z N, ()$ A=> A A]I JH J ( A J ); ab [1] ( [1], ab(),-4%.; a, KL1 2 A J, A=> A]I J : : 973 (2006CB605205); ( ) :!",#,1958$,% &', H J, ()$ ; a, 1 A ) abz[\a]i,-4%., => ;, ()A]I JH J $ ;1?@ C ; Y=>,,- 4%H 3; :(), 934%() :() 9,-4%% FG,H(I $ ]IJ, H A, Y, ab34%();z[ \A],-4%., ;1 34%() : : () < =>;34%(), ;34%(), 2 :1B=(), :() J V4% ;, E, = J,!9 ",#$%;4%H & 3,'A P%Q(Fe- 6 5Si ) 12%( 8 )7;A T ;2D A E ;(), :()V4

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6 6 ()+b 29 1% [23],,>2 ;4% Y MNO`a2 Cu-12%Al( 8 ) ( Cu-12Al ) (V #. [24],a?@ O ; Cu-12Al (; = 168 GPa, YT =() A2 30% ~50%;P I 22 2%IACS, A QAl9-4,QAl , QAl [25] 9 2A 9 Cu-12Al T; P =>; + 0 9/, V # A A ( ), A".TU?@&1 ; YH\ 2 Cu-12AlC HKLMN Table2 PropertycomparingofCu-12Alaloywithother commercialaluminum bronzes Aloys Tensile Elastic Elongation Conductivity Castmethod strength modulus /% /%IACS /MPa /GPa QAl9 2 Metalmold QAl9 4 Metalmold QAl Metalmold QAl Metalmold QAl Metalmold Continuous Cu 12Al unidirectional solidification ; = V # V[ ( );N ], S67,V[,, A; = MNO,-; Cu 12Al (?@A; =,9/ $ ( )9A = / O -2.,YJ2P ^ _7 \ ; `, 67WX A P=> P Q 1 2A P%Q RSTU VWXY BFe U( A A Cu 12Al ;Z[\A ],-4%.;^_+b ;# a% (IngotMetalurgyProces) D b # %, *+ E ;V 4% V, ();O =>+, YA ;O =>, (C %)+, YA ; '> ;D \+ R,, # ( ) Y A ;O,c67 C 085 # %O A ;4% \ :, \,, H,' ;TURS #,c6y 5 A ;4% \ R, \,PZ67 C Y ;O, FG$ % ;Z[ \, 67 ();B= (' Fe-6 5Si ), A(); =(' Cu-12Al ), A( );E E 4%>, 4%,YJ4%E, + Z% [\ S, D \;R,, R, O, `a*+z[\.;1 RS!" [1]XieJianxin(!"),ShiLikai(F `).A=>5();,,H [J].MaterialsChina( ()+b), 2010,29(5):58. [2] HaijiH,OkadaK,HirataniT,etal.MagneticPropertiesand Workabilityof6 5% SiSteelSheet[J].JournalofMagnetismand MagneticMaterials,1996,160: [3] OkadaK,YamajiT,KasaiK.BasicInvestigationofCVDMethod formanufacturing6 5% SiSteelSheet[J].ISIJInternational, 1996,36(6): [4] LiangYF,LinJP,YeF,etal.MicrostructureandMechanical PropertiesofRapidlyQuenchedFe-6 5wt.%SiAloy[J].Journal ofaloysandcompounds,2010,504s:s476 S479. [5]YeF,LiangYF,WangYL,etal.Fe-6 5wt.%SiHighSili consteelsheetsproducedbycoldroling[j].materialsscience Forum,2010, : [6] LiangYF,ZhengZL,LinJP,etal.TheEfectofDirectionaly SolidifiedMicrostructuresonDuctilityofFe-6 5wt%Sialoy[J]. JournalofPhysics:ConferenceSeries,2009,144: [7]LinJunpin( 0),YeFeng( ),ChenGuoliang( -),etal.6 5wt%SiA Q,-% => [J].FrontierScience(H ),2007,(2): [8]LinJunpin( 0),LiangYongfeng( ),YeFeng( ), etal.coldrolingmethodofhighsiliconstelshet(a Q ;,- a):cnzl [P] [9] TianGK,BiX F.FabricationandMagneticPropertiesofFe- 6 5% SiAloysbyMagnetronSputeringMethod[J].JournalofAl loysandcompounds,2010,502(1):1-4. [10] RoyR K, PandaA K,GhoshM, etal.efectofannealing TreatmentonSoftMagneticPropertiesofFe-6 5wt% SiWide Ribbons[J]. JournalofMagnetism and MagneticMaterials, 2009,321(18): [11]BolfariniC,SilvaM CA,JorgeJAM,etal.MagneticProper tiesofspray FormedFe-6 5%SiandFe-6 5%Si-1 0%Al afterrolingandheattreatment[j].journalofmagnetism and MagneticMaterials,2008,320(20):e653-e656. [12]PhwayTPP,MosesAJ.MagnetostrictionTrendofNon Oriented 6 5%Si-Fe[J].JournalofMagnetismandMagneticMaterials,

7 11!":34%5()Z[\A],-4%.^_+b ,320(20):e611-e613. [13] ZhangZhihao( ),FuHuadong( ),XieJianxin (!").AKindofMethodandEquipmentforFabricatingHigh SiliconStelBarwithContinuousColumnarCrystals(,- O A P % Q ( ; a ): CN A[P] [14] XieJianxin(!"),FuHuadong( ),ZhangZhihao ( ),etal.akindofmethodandequipmentforfabrica tinghighsiliconstelbarwithcontinuouscolumnarcrystals( A P % Q ; Z [ \ A ], - a ): CN [P] [15]ZhaoYong( ),ZhangHong( ),WangZidong( ),etal. O.TU;,-% O 8 5 D),2004,14(S3): [16]ZhangH,XieJ,WangZ.FabricationofPureCopperRodsCon tainingcontinuouscolumnarcrystalsbycontinuousunidirectional SolidificationTechnology[J].JournalofUniversityofScience& TechnologyBeijing,2004,11(3):240~244 [17]XieJianxin(!"),LouHuafen( ),WangZidong( ),etal.acompactprocesfortheformingofprecision PipesofCopperandCopperAloys(T T RSU(Z[\,-% ):CNZL [P] [18]GanChunlei( ),LiuXuefeng( ),HuangHaiyou ( B ),etal.bfe U(,- % O = > [J].ActaMetalurgicaSinica( 5 D), 2010:tobepublished. [19]DKIGermanCopperInstituteBooklet.CopperNickelAloys:Prop erties,procesing,application[eb//ol].( )[ ].htp:// html,2010. [20]LiXintao( " ),GuoZhaoxiang( c),zhaoxiangwei ( ; #[J].Zhuzao(# $),2007,56(7): [21] FuYB,YanZM,LiTJ,etal.StudyonPlasticBehavioursof CuNi10Fe1MnAloyTubesunderCast RolProces[J].Materials anddesign,2009,30(10): [22] XieJianxin(!"),MeiJun( ),LiuXinhua( " ),etal.akindofprocesandequipmentforfabricatingthin WalCupronickelPipeswithHeating CoolingCombinedMoldCast VF #% -): CN [P] [23]DavisJR.Copperandcopperaloys[M].Ohio:ASMInternation al,2001. [24]LiuXuefeng( ),XieJianxin(!"),JiDengping( ),etal.akindofmethodforfabricatingcu-alaloy WiresbyContinuousUnidirectionalSolidification( T (, - a):cn [p] [25]JiDengping( ),LiuXuefeng( ),XieJianxin(!"),etal.Cu-12%Al T (;,- [J].ActaMetalurgicaSinica( 5 D),2006,42(12): 櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘櫘 (LIA-LAS 2 M)!"#$%&' ~28\, aj =() Y ^ L 1 ` 5^_ 5^_ %Z a> V (UJF) a ^ *+.H ^_ (CRETA) 70 ^ 242S,1 ' 2 a ;W[ K \,a B.Hebral 2a.6 5 A ;M H ; a YB CO ( Bi ( J J ( 8 S ()^_ ; Y + 2 ;W[ W[.D 30, a 4 K, ^_TU ^_$ + 2;,` H %a J 5^_ J () Z A ;L ab9,` [+ 5^_ () Y ; K aj =() Y (LIA-LAS 2 M) 1 ' B Hebral RoberTournier ; a / HV, ^ 2, J =() ^_TU; "+b 9 6 S, a&' 10, + ; a W[, 2 J =(); ^, 2 ;A ()

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