1、 B/= l; V Lb1 5 ? S, T i T V |4B5 , 1Y T V |2B3b 5 P -Y k kbV1 X Ss EbV1 T(n 1500 ,5FW , F ab/ T9 :ab= 0. 62 5g T L +Tq Ti 51 ( N/c m )b: S=b=q T ( La)m 8 5E J2N,= f /BQ 0 . 37 5 q : L +, _ 6B f 4 1b6 %b46“ “z)1 1 g/. 1/I= WWW11 . 1 1 g1 1 gI l l t . I I gI g1 1= iBB6 . A = _ o15m nl /YSb81,VB!9A ,8
2、 =1 Zm mqYSbm8 9 m3 .h !9h VAY,) 1587v50 % ,m9/hbmmm k k k m9/h4 . w58W UaWa 3,YV 88“ = w ,sKDW Z T,KD 58 ba 5 q !91 . 0 0 M,T 5 Ta Tb Vo/, V | T I T, V5 =5b . 7aa V, 9 YLr b9 /:(1 ) l H h b V :“ b ;(2 ) . 7. “ ,( 3 )9 b E ,(4 ) CKC, NM mb5 .% nCA I nb 5s5s ( ,58M# (UaW#O) , Bs5 1,V , 6B5o% b 3|WB |
3、,H ob2 . IUaWaOmln.n5,Kz I, V75 ( b bY55 T Ib 10000 K T = 0b0032+ 0 . 21/Rbbn2 0 75CY ( Y =u H, VA . + T :K T = ob11 (V /D + 68/R e)b2oYV | /:5V=b. 0 . 2m m P5V =b. 1 o . Zm mV 3_V=0 . 6 0 . gm mm10U 5 E E 9 |(1 27)b10 E 9 |ma 5 P p Cra15 p FNia2. 4%51a3 %C o,110 0/ P p 1Cr 23NiB8B Mb|35%Nia15%C r51
4、1%Nia15%C r5cU :aCO :H 2 0 rF 300,7 30 H,= o . olm m , 510 H= o . o4m m -900 H b b H1 si F M?b 1000 10 50/, Cr 23Ni18 F i b25%Cra20 %NiaSi 1 . 8% V ; r P, r F 1? g b K ? 51 pb#11100/ F ,10 0/ (0=10 N/ m m Z ) , Cr 25T i, C rZsT i, C r23A 15SiZ , Cr 23N 1131512b930 T 1 V = P206f15 %Cra35 %Ni 5, vs p 25000 4 00001 ,1010000 2O000hb930 1 V =1 Y= 6 . 35m m/5Y=3 . 2m mA 5, - p b920P T V U 5 P ,/h p (1oh30%b()7la Xa q r 5 VB Irb V P p , 25 %