利用金相显微镜、扫描电镜观察结合力学性能和抗氢性能测试研究了B对Fe-Ni基合金显微组织和抗氢性能的影响.结果表明:B的加入有效地抑制了时效过程中晶界上大量η(Ni3Ti)相的析出,晶界上仅析出少量碳化物,从而显著提高了合金的塑性和抗氢性能.断口观察显示,对于无B合金,在由峰值时效到过时效处理的过程中,由于η相的长大,使合金发生由穿晶到沿晶断裂的转变;热充氢后,H在η/γ界面的积聚,促使合金发生大量沿晶断裂,而含B合金在热充氢后仍以穿晶断裂为主.
参考文献
| [1] | Cicco H D,Luppo M I,Gribaudo L M,Garcia J O.Mater Charact,2004; 52:85 |
| [2] | Ma L M,Liang G J,Fan C G,Li Y Y.Acta Metall Sin,1997; 10:206 |
| [3] | Thompson A W,Brooks J A.Metall Trans,1975; 6A:1431 |
| [4] | Brooks J A,Thompson A W.MetaU Trans,1993; 24A:1983 |
| [5] | Rho B S,Hong H U,Nam S W.Scr Mater,2000; 43:167 |
| [6] | Li X Y,Zhang J,Rong L J,Li Y Y.J Mater Sci Eng,2005; 23:483(李秀艳,张建,戎利建,李依依.材料科学与工程学报,2005;23:483) |
| [7] | Zhang J,Li X Y,Rong L J,Zheng Y N,Zhu S Y.Acta Metall Sin,2006; 42:469(张建,李秀艳,戎利建,郑永男,朱升云.金属学报,2006;42:469) |
| [8] | Li X Y,Li Y Y.Hydrogen Damaged of Austenitic Alloy.Beijing:Science Press,2003:1(李秀艳,李依依.奥氏体合金的氢损伤.北京:科学出版社,2003:1) |
| [9] | Fujwara M,Uchida H,Ohta S.J Mater Bci Lett,1994; 13:557 |
| [10] | Kennedy R L,Cao W D,Thomas W M.Adv Mater Pro,1996; 149:33 |
| [11] | Sellamuthu R,Giamei A F.Metall Trans,1986; 17A:419 |
| [12] | Wills V A,Mccartney D G.Mater Sci Eng,1991; A145:223 |
| [13] | Franzoni U,Marchetti F,Sturless S.Scr Metall,1985; 19:511 |
| [14] | Shulga A V.J Alloys Compd,2007; 486:155 |
| [15] | Horton J A,Mckamey C G,Miller M K,Cao W D,Kennedy R L.SuperaUoys 718,625,706 and Various Derivatives,Warrendale,PA:TMS AIME,1997:401 |
| [16] | Horton J A,Mckamey C G,Miller M K,Cao W D,Kennedy R L.SuperaUoys 718,625,706 and Various Derivatives,Warrendale,PA:TMS AIME,1997:401 |
| [17] | Yao X X.Mater Sci Eng,1999; A271:353 |
| [18] | Sourmail T,Okuda T,Taylor J E.Scr Mater,2004; 50:1271 |
| [19] | Ducki K J,Hermanczyk M H,Kuc D.Mater Chem Phy,2003; 81:490 |
| [20] | Rho B S,Nam S W.Mater Sci Eng,2000; A291:54 |
| [21] | Li X Y,Zhang J,Rong L J,Li Y Y.Mater Sci Eng,2008;A488:547 |
| [22] | Zhao S Q,Xie X S,Smith G D,Patel S J.Mater Sci Eng,2003; A355:96 |
| [23] | He X L,Chu Y Y,Ke J.Acta Metall Sin,1982; 18:1(贺信莱,褚幼义,柯俊.金属学报,1982;18:1) |
| [24] | Kurban M,Erb U,Aust K T.Scr Mater,2006; 54:1053 |
| [25] | Seto K,Larson D J,Warren P J,Smith G D W.Scr Mater,1999; 40:1029 |
| [26] | Wu Y X,Li X Y,Wang Y M.Acta Mater,2007; 55:4845 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%