利用HRTEM,SEM和EBSD技术研究了同溶处理后镍基690合金在715℃时效时晶界处析出碳化物的形貌及与基体的取向关系.结果表明,碳化物在晶界处于高指数晶体学面的一侧晶粒中析出,并与此侧晶粒具有共格的取向关系.但是碳化物会向无共格取向关系一侧晶粒生长更快一些,碳化物向两侧晶粒生长速度的不同导致晶界附近Cr浓度曲线不对称,并且使晶界附近两侧晶粒的耐腐蚀能力不同.
参考文献
| [1] | Diercks D R,Shack W J,Muscar J.J Nucl Eng Des,1999;194:19 |
| [2] | Kai J J,Yu G P,Tsai C H,Liu M N,Yao S C.Metall Trans,1989; 20A:2057 |
| [3] | Stiller K,Nilsson J O,Kjell N.Metall Trans,1996; 27A:327 |
| [4] | Murr L E,Advani A,Shankar S,Atteridge D G.Mater Charact,1990; 24:135 |
| [5] | Povich M J.Corrosion,1978; 34:60 |
| [6] | Li Q,Zhou B X.Acta Metall Sin,2001; 37:8(李强,周邦新.金属学报,2001;37:8) |
| [7] | Lim Y S,Kim J S,Kim H P,Cho H D.J Nucl Mater,2004; 335:108 |
| [8] | Wilson F G.J Iron Steel Inst,1971; 209:126 |
| [9] | Trillo E A,Murr L E.J Mater Sci,1998; 33:1263 |
| [10] | Carolan R A,Faulkner R G.Acta Metall,1988; 36:257 |
| [11] | Li H,Xia S,Zhou B X,Chen W J,Ni J S.Acta Metall Sin,2009; 45:195(李慧,夏爽,周邦新,陈文觉,倪建森.金属学报,2009; 45:195) |
| [12] | Trillo E A,Murr L E.Acta Mater,1999; 47:235 |
| [13] | Li H,Xia S,Zhou B X,Chen W J,Hu C L.J Nucl Mater,2010; 399; 108 |
| [14] | Hong H U,Rho B S,Nam S W.Mater Sci Eng,2001;A318:285 |
| [15] | Xia S,Zhou B X,Chen W J,Wang W G.Scr Mater,2006;54:2019 |
| [16] | Xia S,Zhou B X,Chen W J.J Mater Sci,2008; 43:2990 |
| [17] | Xia S,Zhou B X,Chen W J.Metall Mater Trans,2009;40A:3016 |
| [18] | Palumbo G,Aust K T,Lehockey E M.Scr Mater,1998;38:1685 |
| [19] | Kronberg M L,Wilson F H.Trans AIME,1949; 185:501 |
| [20] | Randle V,Coleman M,Waterton M.Metall Mater Trans,2011; 42A:582 |
| [21] | Gokon N,Kajihara M.Mater Sci Eng,2008; A477:121 |
| [22] | Lewis M H,Hattersley B.Acta Metall,1965; 13:1159 |
| [23] | Hall E L,Briant C L.Metall Trans,1984; 15A:793 |
| [24] | Downey S,Kalu P N,Han K.Mater Sci Eng,2008; A480:96 |
| [25] | Wolff U E.Trans AIME,1968; 242:814 |
| [26] | Li H,Xia S,Zhou B X,Liu W Q.Mater Charact,revised |
| [27] | McLean D.Grain Boundaries in Metals.London:Oxford University Press,1957:67 |
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