1、t b?= ppC中国航空信息中心 陈 林摘要 航空发动机性能的要求对叶片的涂层提出了技术及经济上的挑战。本文对发动机涡轮叶片热障涂层的发展作了综合叙述,重点对美、法及独联体国家不同涂层工艺及所用的涂层材料技术作了说明。最后指出了今后的研究及发展方向。1oM: 航空涡轮发动机叶片 防护涂层 热障涂层AbstractPerformance requirements of aeronautical engines present an important challenge,both technical and economical, to the coatings designed to pro
2、tect thevanes and blades. A compre-hensive description is given to the development of thermal barrier coatings for turbine airfoils withfocus on USA,French and CIS coating processes and materials technology.Finally the future re-search and development are briefly outlined.Keywords:Aircraft turbine e
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4、j28,? . b( 2) = p HqM f/,200Lm pp V P 50, P0= - M p 3 , Hd ,V7h“ v b(3)h 1 200Lm pp, Vh 15% ,V7 80. 4% qb( 4)e Y !9V7F HqM f /, “ 1.9W/mK( M)p, V|V 4180,7| 50; 0p, “ Vr1. 1W/mK,rmb L=, pprm j 87sbVtrmv Mh,t :0= 9FV7Y p ,= ,F4bB ,9rm ,yN?TK = VB 7 S !9 I n ppb2 中间层的选择t b?TK0= q# K s1100 # Mbp “ s4Tb=
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6、bm2b U1100 b ) 1000h f b hMCrAlY C ,7 hT bV, T 4, B, h ( H h/ ) ,+Y J 3 |Q7h“bm2 0 p(a)#0 ?(b)pp Ti11i航空制造工程V 4 d pp ? 7 ib 0 p pp , V :(LW n“ T/,(L 3 vb+Y Y( T/) NbBCyF Q# 7Fb? pp , fb(L/W , X f , CWs # h/MCrAlY Z E_ bf /, Z V d: h J, J V ? hC d#(TiO2aY-Al-O)R bMCrAlY H, V ? vbMQ, V ?r H b X L 1100
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8、L“db5t b = (L ppX/ #6 |vrm, 1 Lb pp“d, TZE VE , ? . ?i C ?, SZE,+Y 4 aS p b“, p ?z “ aTHq N Y ,AF # ?1“ $Z bN H, %p Z_a5bC) ZrO2-Y2O3(Lp A ?1200, 7?Btp“dZrO2-Yb2O3, ZrO2-Er2O3, ZrO2-Dy2O3, ZrO2-HfO2-Y2O3#r, B AZrO2-Y2O3b ID1. La Recherche Aerospatiale, 96. 5/ 6, pp 381j3922. Advanced Materials and P
9、rocesses, 1996.12, pp27j283. Aerospace/ America, 1996.12, pp22j344. Jom, 1996.11, P41j42作者: 陈林 邮编: 100029通信地址: 北京9817信箱3分箱 SS=t bZ| 414 ,SS=t bZ_ 1S taSt b9 aS P6 #S V200 , |108 12 S=Z S=t bZ f bSt b9at a #P V_ Z f b :o SS=t bZ |S t9 at b9 a ,Z 1984 MS b MB,X H14 MbpoSt b g - , t?Z ,t b-fb n“ ,yNv “ Wt bibp SS=tZ,| S=Z 3vZO,r1 Z bX l W 20SE u,300E Z # hi_b(乐意)Aurum Mitsui Toatsu V43 ?Au-rum bAurum JGF 3045,/ 0 # , +z, n“ , “ bAurum JCQ 6225, Hq/ hV “ la “ bAurum JGN 6230, BA 30%j 8 , 0# , z F M ?# b(耳冬)i12i1997年第6期
