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核聚变与等离子体物理 ›› 2008, Vol. 28 ›› Issue (1): 81-84.

• 核聚变工程技术 • 上一篇    下一篇

等离子壁材料钨基纳米粉末的制备

于福文1,吴玉程1,陈 勇1, 陈俊凌2   

  1. (1.合肥工业大学材料科学与工程学院,合肥 230009; 2. 中国科学院等离子体物理研究所,合肥 230031)
  • 收稿日期:2007-03-05 修回日期:2007-10-07 出版日期:2008-03-15 发布日期:2011-04-07
  • 作者简介:于福文(1981-),男,山东淄博人,硕士研究生,材料学专业,主要从事钨基面对等离子体第一壁材料的制备及性能研究。
  • 基金资助:

    合肥工业大学中青年创新群体基金资助(103-037016);中科院等离子体物理研究所合作项目(103- 413361)

Preparation of tungsten matrix nanocrystalline powders for plasma facing materials

YU Fu-wen1, WU Yu-cheng1, CHEN Yong 1, CHEN Jun-ling2   

  1. (1. School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009; 2. Institute of Plasma Physics, Academy of Chinese Sciences, Hefei 230031)
  • Received:2007-03-05 Revised:2007-10-07 Online:2008-03-15 Published:2011-04-07

摘要:

用机械合金化的方法制备了可为等离子壁材料的W-30%TiC(体积百分数)纳米复合粉末。用BET N2吸附法测量了球磨前后复合粉末的比表面,用激光粒度仪测量复合粉末的粒径分布,用X射线衍射分析了粉末的晶粒尺寸,用SEM观察了球磨前后粉末形貌。研究结果表明,W-TiC粉末的最佳球磨参数为:球磨介质比约2:1,球料比约10:1,球磨转速约200r•min-1,球磨时间约25h。

关键词: 机械合金化, 钨, 碳化钛, 纳米复合粉体

Abstract:

W-30%TiC nanocrystalline composite powders for plasma facing materials were prepared by mechanical alloying. Influences of parameters of mechanical alloying process such as liquid-to-balls-and-powders ratio, ball-to-powder ratio, milling speed and milling time on characteristics of the milled powders were studied. The optimal mechanical alloying process parameters were the liquid-to-balls-and-powders ratio 2:1,ball-to-powders ratio 10:1, milling speed 200r•min-1 and milling time 25h, respectively.

Key words: Mechanical alloying, Tungsten, Titanium carbide, Nanocrystalline composite powders

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