添加TiC和Ti3AlC2对燃烧合成Ti3AlC2粉体的影响

无机材料学报

• 研究论文 • 上一篇

添加TiC和Ti₃AlC₂对燃烧合成Ti₃AlC₂粉体的影响

郭俊明^1,2; 陈克新¹; 葛振斌¹; 周和平¹; 宁晓山¹

1. 清华大学材料科学与工程系新型陶瓷与精细工艺国家重点实验室北京 100084; 2. 蒙自师范高等专科学校化学系; 云南蒙自 661100

收稿日期:2002-01-09 修回日期:2002-03-11 出版日期:2003-01-20 网络出版日期:2003-01-20

Effects of TiC and Ti₃AlC₂ Addition on Combustion Synthesis of Ti₃AlC₂ Powders

GUO Jun-Ming^1,2; CHEN Ke-Xin¹; GE Zhen-Bin¹; ZHOU He-Ping¹; NING Xiao-Shan¹

1. Department of Material Science &: Engineering; The State Key Lab. of New Ceramics & Fine Processing; Tsinghua University; Beijing 100084; China; 2. Department of Chemistry; Mengzi Teachers College; Yunnan Mengzi 661100; China

Received:2002-01-09 Revised:2002-03-11 Published:2003-01-20 Online:2003-01-20

摘要/Abstract

摘要： Ti、AI、C和TiC组成的Ti:Al:C=3:1.1:1.8(摩尔比)体系的燃烧合成实验结果表明,当在体系中未加入TiC时,得到的主要是TiC,但加入TiC后燃烧合成产物主要是Ti₃AlC₂,且Ti₃AlC₂量随TiC加入量的增加而增加,随燃烧反应体系温度的降低而增加;加入晶种Ti₃AlC₂有利于合成Ti₃AlC₂相物质.

关键词: 燃烧合成, Ti-Al-C系, Ti₃AlC₂, TiC

Abstract: Titanium aluminium carbide (Ti₃AlC₂) powder was fabricated through combustion synthesis
process by using Ti, Al, C and TiC powders as raw materials. The experimental results show that the phase formation of the final product
is affected by the addition of TiC exceptionally. TiC is the main phase in the final product under the condition of no addition of TiC in the
raw materials. However, Ti₃AlC₂ becomes the main phase with the addition of TiC in the raw materials. Furthermore, the amount of
Ti₃AlC₂ is enhanced with increasing the amount of TiC addition in the raw materials and decreasing the combustion temperatures.
The addition of Ti₃AlC₂ as seed crystal is beneficial to form Ti₃AlC₂.

Key words: combustion synthesis, Ti-Al-C systems, Ti₃AlC₂, TiC

中图分类号:

TF123

郭俊明,陈克新,葛振斌,周和平,宁晓山. 添加TiC和Ti₃AlC₂对燃烧合成Ti₃AlC₂粉体的影响[J]. 无机材料学报.

GUO Jun-Ming,CHEN Ke-Xin,GE Zhen-Bin,ZHOU He-Ping,NING Xiao-Shan. Effects of TiC and Ti₃AlC₂ Addition on Combustion Synthesis of Ti₃AlC₂ Powders[J]. Journal of Inorganic Materials.

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添加TiC和Ti₃AlC₂对燃烧合成Ti₃AlC₂粉体的影响

Effects of TiC and Ti₃AlC₂ Addition on Combustion Synthesis of Ti₃AlC₂ Powders

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