以铝粉、NH4F为原料,Nb为添加剂,在N2压力小于0.5 Mpa条件下,用高温SHS成功地合成了AlN粉体.研究了添加剂和N2压力对燃烧合成的影响,运用TG/DSC考察了粉末原料的氮化过程,采用XRD、SEM对粉体的物相、显微形貌进行观察表征.研究结果表明,当Al/NH4F=4,在添加剂Nb的作用下,合成的AlN粉体颗粒分布均匀、氧含量低且具有良好结晶形态;在反应前、中期,合适N2压力有助于提高粉体的转化率.
参考文献
| [1] | 王超,彭超群,王日初,余琨,李超.AlN陶瓷基板材料的典型性能及其制备技术[J].中国有色金属学报,2007(11):1729-1738. |
| [2] | 秦明礼,曲选辉,林健凉,肖平安,祝宝军,汤春峰.氮化铝陶瓷研究和发展[J].稀有金属材料与工程,2002(01):8-12. |
| [3] | 秦明礼,杜学丽,孙伟,李帅,曲选辉.氮化铝粉末特性对氮化铝-氮化硼复合陶瓷结构和性能的影响[J].硅酸盐学报,2007(03):332-336. |
| [4] | 李吉刚,马红安,李小雷,郑友进,左桂鸿,贾晓鹏.Al/AlN复相陶瓷超高压烧结的研究[J].超硬材料工程,2007(03):24-27. |
| [5] | Yim W N;Stoke E J;Zanzuchi P J et al.Epitaxially grown AIN and its optical band gap[J].Journal of Applied Physics,1973,44:292-297. |
| [6] | Zhuang D.;Edgar JH.;Liu B.;Huey HE.;Jiang HX.;Lin JY.;Kuball M. Mogal F.;Chaudhuri J.;Rek Z. .Bulk AlN crystal growth by direct heating of the source using microwaves[J].Journal of Crystal Growth,2004(1/4):168-174. |
| [7] | 颜国君,陈光德,邱复生,Zhaoyan Fan.氮化铝薄膜的光学性能[J].光子学报,2006(02):221-223. |
| [8] | 杜学丽,秦明礼,冯培忠,曲选辉.Y2O3对SPS烧结纳米AlN粉末的影响[J].稀有金属材料与工程,2007(z3):78-81. |
| [9] | Maria S;Morten W .Thermodynamic studies on the AlN sintering powders treated with phosph-ate species[J].Journal of the American Ceramic Society,2007,90(10):1 589-3 595. |
| [10] | 匡加才,张长瑞,周新贵,王思青,易万达.不同铝源对碳热还原法合成氮化铝粉末的影响[J].宇航材料工艺,2003(05):44-47. |
| [11] | V. Rosenband;A. Gany .Activation of combustion synthesis of aluminum nitride powder[J].Journal of Materials Processing Technology,2004(2):197-203. |
| [12] | Zeng Xiofeng;Qian Duanfen;Li Weifeng .Effects of additives on the microwave synthesis of AIN powde[J].Journal of the American Ceramic Society,2007,2(02):1-4. |
| [13] | 韩杰才;王华彬;杜善义 .自蔓延高温合成的理论与研究方法[J].宇航材料工艺,1997,27(02):20-25. |
| [14] | Sakurai T;Yamadab O;Miyamotoa Y .Combustion synthesis of free AlN powder and it' s reacti-on control[J].Materials Science and Engincering,2006,415(02):40-44. |
| [15] | Jason Shin;Do-Hwan Ahn;Mee-Shik Shin;Yong Seog Kim .Self-propagating high-temperature synthesis of aluminum nitride under lower nitrogen pressures[J].Journal of the American Ceramic Society,2000(5):1021-1028. |
| [16] | 郑永挺 .AlN陶瓷燃烧合成研究[D].哈尔滨工业大学,2000. |
| [17] | 梁英教;车荫昌.无机物热力学数据手册[M].沈阳:东北大学出版社,1996 |
| [18] | 江国健,庄汉锐,王本民,张炯,阮美玲.自蔓延高温合成氮化铝晶须形态和生长机理研究（1）[J].人工晶体学报,1999(04):382-386. |
| [19] | Amunir Z;Bholt J .The combustion synthesis of refractory nitrides part 1-theoretical analysis[J].Journal of Materials Science,1987,22:710-714. |
| [20] | Mohamed Radwan;Yoshinari Miyamoto .Growth of Quasi-Aligned AlN Nanofibers by Nitriding Combustion Synthesis[J].Journal of the American Ceramic Society,2007(8):2347-2351. |
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%