基于固溶体中溶质原子间及溶质原子与过饱和空位间的交互作用,提出了非平衡晶界共偏聚的概念.在一个由溶质2和溶剂3组成的固溶体中,若溶质2与空位的结合能超过适于发生非平衡晶界偏聚的范围时,极少或没有溶质2的非平衡晶界偏聚在2-3固溶体中发生.若溶质1在溶剂3中与空位的结合能适于发生非平衡偏聚,并且溶质1与溶质2之间的相互吸引作用大于1-3和2-3之间的相互作用时,则将溶质1加入到2-3固溶体中形成1-2-3三元固溶体.在此三元固溶体中,溶质2将伴随溶质1发生非平衡偏聚,此时称为溶质1和溶质2的非平衡晶界共偏聚.
参考文献
| [1] | Mclean D.Grain Boundaries in Metals[M].London:Oxford University Press Amen House,1957 |
| [2] | Guttmann M .[J].Surface Science,1975,53:213. |
| [3] | Aust K T;Armijo S J;Koch E F et al.[J].Transactions Amer Soc Metals,1967,60:360. |
| [4] | Anthony T R .[J].Acta Materialia,1969,17:603. |
| [5] | Xu Tingdong .[J].Journal of Materials Science,1987,22:337. |
| [6] | Xu Tingdong .[J].Journal of Materials Science Letters,1988,7:241. |
| [7] | Xu Tingdong;Song Shenhua .[J].Acta Materialia,1989,37:2499. |
| [8] | Xu Tingdong;Song Shenhua;Shi Huazhong et al.[J].Acta Metallurgica Et Materialia,1991,39:3119. |
| [9] | Sevc P;Janovec J;Grabke H S et al.[J].Steel Research International,1995,66:537. |
| [10] | Defay R;Prigogine I.Tension Suerficielle et Adsorption[M].Paris:Dunod,1951 |
| [11] | Faulkner R G .[J].Journal of Materials Science,1981,16:373. |
| [12] | Cottrell A H.An Introduction to Metallurgy[M].London:Edward Arnold,1967 |
| [13] | Ohtani H;Feng H C;McMahon C J Jr et al.[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1976,7:87. |
| [14] | Ohtani H;Feng H C;McMahon C J Jr et al.[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1976,7:1123. |
| [15] | Briant C L;Banerji S K.[J].International Metallurgical Reviews,1978(04):164. |
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%