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_47 _3sVol.47No.32011h3℄_374—379-ACTAMETALLURGICASINICAMar.2011pp.374–379G3N=MS:E8’P?a6fR‘\bF∗II. 5 Jg l–8 kG |℄AGtpwovyuqrsx( $dM ’$ P = Z, 100083)geWM X 6 ~– 9r},{0G3jW b KhHm.D! 6m–9 lH }.*H lH }q10 W6![Xm.D! 6XmQ Æ U/. 3x U/uQ’& 3s 9, Y lH }/&X.=H,*H q{0XlH },&6 l 6X9 ,) 6m ~R G3jW 6 K b 9 q 6m ~X* ,Jtj b 9 X 6 Kh l| T!-M2 .7C,jW , b , 6 Kh,mlZ25I9TG376.2,TH117.2℄_$TLA℄h#90412−1961(2011)03−0374−06RESEACHONLUBRICATIONINHOTEXTRUSIONOFG3CORROSIONRESISTANTNi–BASEDALLOYTUBEII.CalculationandApplicationofGlassLubricantViscosity–CompositionLINBen,WANGBaoshun,ZHANGMaicang,DONGJianxinSchoolofMaterialsScienceandEngineering,UniversityofScienceandTechnologyBeijing,Beijing,100083Correspondent:DONGJianxin,professor,Tel:(010)62332884,E-mail:jxdong@mater.ustb.edu.cnSupportedbyNationalNaturalScienceFoundationofChina(No.50831008)Manuscriptreceived2010–09–28,inrevisedform2010–11–21ABSTRACTBasedontheclassicalfirst–ordermixturemethodwhichdescribestherelationshipbetweenthepropertyvalueandcomponent,amodifiedmixturemethodforpredictingtheviscositypropertyofborosilicateglasslubricantusedinthehotextrusionofG3alloywasestablished.Then,theviscositypropertiesof10differentborosilicateglasseswerepredictedusingthismethod.Theviscositydatapredictedbythiscalculationmethodcoincidedwellwiththeexperimentaldata,whichshowedthatthecalculationmodelwasofstrongreliability.Therefore,accordingtothismodel,theglasscompositioncouldbereverselydesigned,whichwillassuretheviscosityofglasstomeettherequirementsofglasslubricatedhotextrusionofG3alloywhichhasbeenraisedinthefirstarticle.ItprovidestheoreticalguidanceforthedesignandpreparationofglasslubricantintheglasslubricatedhotextrusionofG3alloy.KEYWORDSnickel–basedalloy,hotextrusion,glasslubricant,viscosity Y7 L : ,}q =YJBRoA , :-== LiY ,Vz ([1].‘oA ,=:-=1hY}(|, b LiY ,,*vR :-= pl, :kD }q =Y(yB. r[2]+IDEFORM–2DL X*2q % W a _508310083SB t:2010–09–28,3S t:2010–11–21 iw :D ,d,1986,-DOI:10.3724/SP.J.1037.2010.00512 z[g?G3kX&A Y : 5?, r 5? 7 L\Y:\ k_Rb 7 LiY+ ?{℄$ , D?mrG3kX&A 5?7 LiY!n S YXz. mr + + m=}Æ Li 01 (yuV,k +|1 LI7Y!n R: suY({,P WY$ U .fPH[3] AGH690)* : y? LI7Y!n= * {= ,PTL 1$$ : R!p fsuY.N({;Hrma\[4]+Is=~drs X7‘℄!n he(≤100Pa·s)_3sC Z:G3iVb%? )’ a 8 I i# II. 4 If k–7 jF {\F375 : R!p fY.N({ ? ($ ,P ~1A LI7!n fYmI.I, |1 LI7Y!n_!p{=R: suYt 8{,} rY$ 4t wR LiY: m,01 +=L (;Y$ uV. r}XN7 Y$ AI,K7!n R: ({Y d.NDy,42|1G3kX&A I7 LiYN : R (!n_!p{=)({Y= mI ~, A rr7 LiUDY W+ ,kG3kX&A : 7 LiY: mU.NwR.1&JQ;n0–+4-AW317 L : ,!n 07 LiY1 +w ,Z5Ij3!n ,.!n07Y1 (y w.-=,R: ; % ({,‘R2Æ GsuYyYR L(,N0: Y1 ^ [5].N nY0FWe℄&Y-=,‘!n\N,FW\!A,Fj \2.!nR℄&3suY({’7I|++ ,:f=ηAdvdy(1)+ ,fk;01uYe℄&3,ηk0WY!n,Ak;r 01uY FWZ,dv/dyk%0WFj~ YCnSn.!n0KFW % M hY,0FWe% %Y‘ [6].I,6u7+ U42? ~,|1?1 = [ + L7: R!nsuY({,Ku’7 7: +mI7‘\pn|Y!n. 7 We% % Yy((/EgP % ,;o RSiYÆ9 YOYÆ) y((1oRSiYÆ9 ,E1oRvNv 8Uva 8YÆ9 YOYÆ)7_ K(Y O #+|17: R!nsuY({[7],P0k [ + 3 zd:,+ ^.Adam–Gibbs(AG)mI ~[8,9]K/E %Dy, An (Sconf)\ 3 .N,3 /E WY 3 -=+V0v!nRpnY({.P0,Q/E WYn Ch $,Sconf N0,‘ ℄pn$,Rpn (Y-=,} k0, RR{mID+Y!n Nv N.AGmI ~‘℄ppl {mf} 3 %R |1w11rBY({,I,rN LI7: Y.NmI+?,AGmI ~,fS .NmI+ . dY7 mI.NÆk,7 R: suY({’7Is=~d+ ,.$ [10,11] Z,7 R: suY({’7I|+X::G=NXigixi(2)+ ,Gk7 ,gik Xr Y ’5=,ik X = =,Nk X=‘.Z5+?,k s=~dx1AN^1RhY7{℄=: h, z- YO ;.\$ jmr\Y7{℄WTY mI#+, 1{.auÆkr7!nR: suY({’7+IFulcher#+[12−14]+ ,lnη=a+b/(θ−θ0)a=1.455+NPiai×pib=5736.4+NPibi×piθ0=198.1+NPjθj×pi(3)+ ,θkpn;ai,bi=θj k ’{=;pik7 XRSiO27=(℄v =)s .Fulcher~’7IN1 /7Y!nmI,P0 mI[ M 7Y(Nw ,(SiO2,Al2O3,CaO,MgO,Na2O) ,u{ zB2O3Y ’{=.u7 L : IY7Z5kn/E{,v + :kSiO2,Al2O3,CaO,MgO,Na2O,B2O3=Fe2O3.M7,+IFulcher~+mIn/E7Y!n $R3! NYx2.I, r‘Fulcher~YXE ,Æk7!n =pnsuS Arrhenius({[15,16],I$,7: R!nsuY({S lnη=A+1000×Bθ(4)A=NPi=1Aixi=A1xSiO2+A2xAl2O3+A3xCaO+A4xMgO+A5xNa2O+A6xB2O3+A7xFe2O3B=NPi=1Bixi=B1xSiO2+B2xAl2O3+B3xCaO+B4xMgO+B5xNa2O+B6xB2O3+B7xFe2O3(5)+ ,ηk7!n,Pa·s;θkpn, ;xik7: ℄v =;Ai=Bik XY ’{=.I,+(4)=(5)}7Y: R!n 8{w+. r+I :[ +mI LI7Y!n.Q7: y! N$,5}’7Z5+(5)mID7!n–pn({ Y2 {=A=B, EZ5+(4)mID^1whpn|7Y!n_!p{=.2AW31k(U-O/i7!nYmI + k2 , :‘1 0 7: mID h!n|Ypn;‘2 0mI‘wh 376 6 _47 pn|rBY!n. r +0‘2 .I,+mI\ X7=$n/E7‘\pn|Y!n=!p{=, 5} h[ R7 XL(Y ’{=Ai=Bi.2.1VGmVargas=Frandsen[17] ?/EW{7F fR :suY .N_F f= Y0= ~, r1 7‘700 7 $YF f= ? .I,5}Kr [17] WT?7 X7=\Y7‘\pn|Y!n.7 7Y: 1M,.k?WT\ ,Y7!n–pn({+ YA=B, rI w~gA7!nRpnY({.‘107 \7‘\pn|Ypn–!ngA . 207 \7YA=B.‘1 ,ML= b kKr [17] M4[Y(’= , d0Z5 w~gAMW.’7D, w~gAYpn–!n({=(oY!ntAn ,?Z+(4)’7B:^ Lk7 7Y!n–pn({.I,K‘1 Q’7D,‘\1pn|,5;7Y!nZ~℄N4;7. A 1 Y7: ,’7WDNa2O,CaO\v 8(Nw7=YfsfN ^~℄7Y!n.2.2*V.BX/I+(4)_ 2 YA=B,Z5 ? %17 6XM 9[17]Table1Chemicalcompositionofsevendifferentglasses[17](molefraction)No.SiO2Al2O3CaOMgONa2OB2O3Fe2O310.80450.00410.001300.189700.000420.76110.07950.001800.157500.001830.75230.00500.00500.13320.109600.005040.75100.00180.08760.00390.155300.000350.64760.00290.16790.00120.180300.000260.63550.00550.00550.00550.19030.16870.005570.52570.00540.00540