实验表明,以Ti,Al和碳黑单质粉末为反应物原料,按Ti2AlC化学计量比为原料摩尔配比,得到的燃烧产物主晶相为Ti3AlC2,而Ti2AlC的含量很少.当保持总原料各组分配比不变,加入TiC时,燃烧产物中的Ti2AlC相却变为主晶相,而Ti3AlC2和TiC相的含量急剧减少.燃烧产物Ti2AlC相的含量随添加的TiC质量分数(0-25%)的增加而增加.从动力学和热力学的角度探讨了TiC对燃烧合成Ti2AlC的影响机理.
参考文献
| [1] | Hug G, Fries E. Phys Rev, 2002; 65B: 113104 |
| [2] | Barsoum M W, Brodkin D, El-Raghy T. Scr Mater, 1997;36:535 |
| [3] | Barsoum M W, El-Raghy T. Metall Mater Trans, 1999;30A: 363 |
| [4] | Zhou Y C, Wang X H. Mater Res Innovat, 2001; 5:87 |
| [5] | Matar S F, Le Petitcorps Y, Etourneau J. J Mater Chem,1997; 7(1): 99 |
| [6] | Zhou Y C, Sun Z M. Phys Rev, 2000; 61B: 12570 |
| [7] | Jeitschko W, Nowotny H, Benesovky F. Monotsch Chem,1963; 94:672 |
| [8] | Ramaseshan R, Kakitsuji A, Seshadri S K, Nair N G,Mabuchi H, Tsuda H, Matsui T, Morii K. Intermetallcs,1999; 7:571 |
| [9] | Matar S F, Le Petitcorps Y, Etourneau J. Comput MaterSci, 1998; 10:314 |
| [10] | Barsoum M W, Ali M, El-Raghy T. Metall Mater Trans,2000; 31A: 1857 |
| [11] | Wang X H, Zhou Y C. Z Metallkd, 2002; 93 (1): 66 |
| [12] | Lopacinski M, Puszynski J, Lis J. J Am Ceram Soc, 2001;84:3051 |
| [13] | GeZB, Chen KX, GuoJ M, Zhou HP, FerreiraJoseMF. J Eur Ceram Soc, 2003; 23:567 |
| [14] | Guo J M, Chen KX, GeZ B, Zhou H P, NingXS. RareMet Mater Eng, 2003, in press(郭俊明,陈克新,葛振斌.周和平,宁晓山.稀有金属材料与工程,2003,待发表) |
| [15] | Tomoshige R, Matsushita T. J Ceram Soc Jpn, 1996;104(2): 94 |
| [16] | Pietzka M A, Schuster J C. J Phase Equilib, 1994; 15:392 |
| [17] | Tzenov N V, Barsoum M W. J Am Ceram Soc, 2000; 83:825 |
| [18] | Choi Y, Rhee S. J Mater Sci, 1993; 28:6669 |
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