以TiO2,Al,C,纳米ZrO2粒子为原料,利用燃烧合成-热压工艺制备了Al2O3-TiC-ZrO2纳米复合陶瓷.添加ZrO2可使Al2O3-TiC断裂方式由沿晶断裂转变为穿晶断裂.ZrO2纳米粒子弥散于基体中,其周围产生的应力集中可引发位错,起到亚晶界的作用,并可使位错钉扎、堆积,阻碍位错运动,从而使复合陶瓷的力学性能得到明显改善:抗弯强度为706 MPa,提高幅度达19.8%;断裂韧性为6.3 MPa@m1/2,提高幅度18.9%;洛氏硬度为94.4.
参考文献
| [1] | Arellano-Lopez A R, Smirnov B I, Goretta K C, Routbort J L. Mater Sci Eng, 1998; 252A: 93 |
| [2] | Smirnov B I, Nikolaev V I, Orlova T S, Shpeizman V V,Arellano-Lopez A R, Goretta K C, Singh D, Routbort J L. Mater Sci Eng, 1998; 242A: 292 |
| [3] | Huang R Z, Tan S H, Jiang D L. J Chin Ceramic Soc,1993; 21:349(黄仁政,谭寿洪,江东亮.硅酸盐学报,1993;21:349) |
| [4] | Han J C, Wu R J. J Chin Ceramic Soc, 1991; 19:537(韩杰才,吴忍肼.硅酸盐学报,1991;19:537) |
| [5] | Li F Z, Ao Q, Liu Y C, Liu Y X, Tian X J. Mater Mechan Eng, 1996; 20: 27(李凤照,敖青,刘援朝,刘玉先,田学洁机械工程材料,1996;20:27) |
| [6] | Tang Q. Ph D Dissertation, Beijing: University of Science and Technology Beijing, 1993:106(唐清.北京:北京科技大学博士学位论文,1993:106) |
| [7] | Mao D S, Liu X H, Li J, Guo S Y, Zhang X B, Mao Z Y.J Mater Sci, 1998; 33:5677 |
| [8] | Li J, Mao D S, Huang L P. Acta Metall Sin, 1998; 34:332(郦剑,茅东升,黄莉萍,金属学报,1998;34:332) |
| [9] | Zeng Z Q, Hu X Q, Lin X P, Mao H Z. J Chin Ceramic Soc, 1998; 26:178(曾照强,胡晓清,林旭平,苗赫濯.硅酸盐学报,1998;26:178) |
| [10] | Xu L H, Fang Z H, Shen Z J, Ding Z S. Chin Ceramic Bull, 1995; 14:12(徐利华,方中华,沈志坚,丁子上,硅酸盐通报,1995,14:12) |
| [11] | Yin L W, Li F Z, Liu Y C. Mater Mechan Eng, 1997; 21:35(尹龙卫,李凤照,刘援朝.机械工程材料,1997;21:35) |
| [12] | Niihara K. J Ceram Soc Jpn, 1991; 99:974 |
| [13] | Wang H Z, Gao L, Guo J K. J Chin Ceramic Soc, 1999;27: 1(王宏志,高濂,郭景坤硅酸盐学报,1999;27:1) |
| [14] | Merzhanov A G. J Self-propagating High-Temperature Synthesis, 1997; 6:119 |
| [15] | Cutler R A, Rigtrup K M, Virkar A V. J Am Ceram Soc,1992; 75:36 |
| [16] | Zeng H M. Essentials of Advanced Materials for High Technology, Beijing: China Science and Technology Press,1993:237(曾汉民.高技术新材料要览,北京:中国科学技术出版社,1993:237) |
| [17] | American ceramic society INC. Ceramic Source, 1990; 5:315 |
| [18] | Gao J H, Shen Z J, Ding Z S. Acta Mater Compos Sin,1994; 11: 1(高家化,沈志坚,丁子上.复合材料学报,1994;11:1) |
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%