高能球磨制备纳米TiC粉末

中国有色金属学报, 2001, 11(2): 269-272.

高能球磨制备纳米TiC粉末

朱心昆 ^1, , 赵昆渝 ^2, , 程抱昌 ^3, , 林秋实 ^4, , 张修庆 ^5, , 陈铁力 ^6, , 苏云生 ^7, , 雍岐龙 ^8,

1.昆明理工大学材料系,

2.昆明理工大学材料系,

3.昆明理工大学材料系,

4.昆明理工大学材料系,

5.昆明理工大学材料系,

6.昆明理工大学材料系,

7.昆明理工大学材料系,

8.昆明理工大学材料系,

基金项目: 云南省应用基础研究项目(960009Z)

关键词：陶瓷材料 , 纳米晶体 , 机械合金化

Fabrication of nanocrystalline TiC powder by high-energy ball milling

应用高能球磨机，用Ti和C粉末在室温下合成了纳米级TiC晶粒，并对合成后的粉末进行了微观组织分析。实验结果表明：用机械合金化(MA)法可以在比较短的时间内合成TiC粉末，其合成机理为机械碰撞诱发的自蔓延反应机理。经过球磨反应可以得到平均颗粒大小为5.641μm，并且具有10nm左右的纳米晶粒TiC粉末。 DAT分析表明，利用加热方法合成TiC必须在636.5℃以上才能进行，而通过球磨工艺可以使该合成过程在室温下进行。

The fabrication of nanocrystalline TiC by a high-energy ball milling at room temperature was studied. The results show that TiC powder is fabricated within short time. The formation mechanism is self-propagating reactive synthesis induced by mechanical alloying. The particle size of TiC is 5.64 　μm， and crystalline grain of TiC is 10 　nm. The process of nanocrystalline TiC fabricated is occurred at room temperature.

参考文献

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