不同铝含量对Ti-Al-C系燃烧合成Ti<sub>3</sub>AlC<sub>2</sub>粉体的影响

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不同铝含量对Ti-Al-C系燃烧合成Ti₃AlC₂粉体的影响

郭俊明, 陈克新, 周和平, 宁晓山

文章导航 > 复合材料学报 > 2004 > 21(3): 59-62

郭俊明, 陈克新, 周和平, 等. 不同铝含量对Ti-Al-C系燃烧合成Ti3AlC2粉体的影响[J]. 复合材料学报, 2004, 21(3): 59-62.

引用本文:

郭俊明, 陈克新, 周和平, 等. 不同铝含量对Ti-Al-C系燃烧合成Ti₃AlC₂粉体的影响[J]. 复合材料学报, 2004, 21(3): 59-62.

GUO Junming, CHEN Kexin, ZHOU Heping, et al. EFFECTS OF DIFFERENT Al CONTENTS ON COMBUSTION SYNTHESIS OF Ti3AlC2 POWDERS IN THE Ti-Al-C SYSTEM[J]. Acta Materiae Compositae Sinica, 2004, 21(3): 59-62.

Citation:

GUO Junming, CHEN Kexin, ZHOU Heping, et al. EFFECTS OF DIFFERENT Al CONTENTS ON COMBUSTION SYNTHESIS OF Ti₃AlC₂ POWDERS IN THE Ti-Al-C SYSTEM[J]. Acta Materiae Compositae Sinica, 2004, 21(3): 59-62.

郭俊明, 陈克新, 周和平, 等. 不同铝含量对Ti-Al-C系燃烧合成Ti3AlC2粉体的影响[J]. 复合材料学报, 2004, 21(3): 59-62.

引用本文:

郭俊明, 陈克新, 周和平, 等. 不同铝含量对Ti-Al-C系燃烧合成Ti₃AlC₂粉体的影响[J]. 复合材料学报, 2004, 21(3): 59-62.

GUO Junming, CHEN Kexin, ZHOU Heping, et al. EFFECTS OF DIFFERENT Al CONTENTS ON COMBUSTION SYNTHESIS OF Ti3AlC2 POWDERS IN THE Ti-Al-C SYSTEM[J]. Acta Materiae Compositae Sinica, 2004, 21(3): 59-62.

Citation:

GUO Junming, CHEN Kexin, ZHOU Heping, et al. EFFECTS OF DIFFERENT Al CONTENTS ON COMBUSTION SYNTHESIS OF Ti₃AlC₂ POWDERS IN THE Ti-Al-C SYSTEM[J]. Acta Materiae Compositae Sinica, 2004, 21(3): 59-62.

不同铝含量对Ti-Al-C系燃烧合成Ti₃AlC₂粉体的影响

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.
红河学院化学系, 云南蒙自661100

基金项目: 国家自然科学基金资助项目(50102002);清华大学新型陶瓷与精细工艺国家重点实验室开放课题资助项目

通讯作者:
陈克新,教授,无机非金属材料 E-mail: kxchen@mail.tsinghua.edu.cn

中图分类号: TM286
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- 文章访问数: 1762
- PDF下载量: 917
- 被引次数: 0
出版历程
- 收稿日期: 2003-02-20
- 修回日期: 2003-06-09
- 刊出日期: 2004-06-15

EFFECTS OF DIFFERENT Al CONTENTS ON COMBUSTION SYNTHESIS OF Ti₃AlC₂ POWDERS IN THE Ti-Al-C SYSTEM

1.
Department of Materials Science &|Engineering, the State Key Lab. of New Ceramics &|Fine Processing, Tsinghua University,Beijing 100084,China;
2.
Department of Chemistry, Honghe College,Yunnan Mengzi 661100, China

摘要: 采用Ti、Al、C和TiC粉末为反应物原料,研究了Ti∶C=3∶2时,不同Al含量(12.3%~25.4%,atomic fraction)对Ti-Al-C体系燃烧合成Ti₃AlC₂粉体的影响。探讨了Al含量对燃烧合成Ti₃AlC₂的影响机理。实验表明,Al含量对Ti-Al-C体系燃烧合成Ti₃AlC₂影响较大,Ti₃AlC₂的含量随Al含量(12.3%~19.4%)增加而增加,但在Al含量为20.6%~25.4%时,却随Al含量的增加而降低。
- 燃烧合成 /
- Ti₃AlC₂ /
- Ti-Al-C系 /
- Al /
- 显微结构
Abstract: Effects of different Al contents(12.3%~25.4%,atomic fraction) on combustion synthesis of Ti₃AlC₂ powders were studied by using Ti,Al,C and TiC powders as raw materials in the Ti-Al-C system when the molar ratio of Ti/C was equal to 3∶2.The formation mechanism of Ti₃AlC₂ was investigated for different Al contents in the raw materials.The experiment results show that the phase formation of combustion synthesized Ti₃AlC₂ is affected greatly by the Al content in the raw materials.The amount of Ti₃AlC₂ in combustion products firstly increases with increasing Al content(12.3%~19.4%), and then decreases with continuously increasing amount of Al(20.6%~25.4%).
- combustion synthesis /
- Ti₃AlC₂ /
- Ti-Al-C system /
- aluminium /
- microstructure

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