Microstructure of Al-Ti Intermetallic Compound Particle Reinforced Aluminum Matrix Composite In-situ Synthesized by Friction Stir Processing 

China Mechanical Engineering ›› 2013, Vol. 24 ›› Issue (16): 2146-2149.

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Microstructure of Al-Ti Intermetallic Compound Particle Reinforced Aluminum Matrix Composite In-situ Synthesized by Friction Stir Processing 

Chen Yuhua;Ge Junwei;Huang Chunping;Huang Kehui;Ke Liming

National Defense Key Disciplines Laboratory of Light Alloy Processing Science and Technology,Nanchang Hangkong University,Nanchang,330063 

Online:2013-08-25 Published:2013-08-23
Supported by:

National Natural Science Foundation of China（No. 51265042）;

Jiangxi Provincial Natural Science Foundation of China（No. 20114BAB206006）;

National Defense Basic Scientific Research Project（No. A3420110002）;
Jiangxi Provincial Science and Technology Program of Ministry of Education of China（No. GJJ12411）

搅拌摩擦加工原位合成Al-Ti颗粒增强铝基复合材料的微观结构

陈玉华;戈军委;黄春平;黄科辉;柯黎明

南昌航空大学轻合金加工科学与技术国防重点学科实验室,南昌,330063

基金资助:
国家自然科学基金资助项目(51265042);江西省自然科学基金资助项目（20114BAB206006）;国防基础科研项目(A3420110002);江西省教育厅科技项目（GJJ12411）
National Natural Science Foundation of China（No. 51265042）;

Jiangxi Provincial Natural Science Foundation of China（No. 20114BAB206006）;

National Defense Basic Scientific Research Project（No. A3420110002）;
Jiangxi Provincial Science and Technology Program of Ministry of Education of China（No. GJJ12411）

Abstract

Abstract:

Al-Ti intermetallic compound(IMC) particle reinforced aluminum matrix composite was in-situ synthesized by friction stir processing,the microstructure and fine structure of aluminum matrix composite were
studied.The results show that TiAl3 IMC particle reinforced aluminum
matrix composite can be fabricated by friction stir processing method with pure Ti powder and aluminum plate as raw materials.In addition to the generated TiAl3 intermetallic compound,there are also a number of pure Ti particles and solid solution of aluminum matrix on the aluminum base metal.The grains of pure aluminum can be refined by rotational extrusion alloying,and the size of aluminum are about 200nm.The size of a TiAl3 particle is about 200nm to 300nm.

Key words: friction stir processing, in-situ synthesized, intermetallics compound, particle reinforced aluminum matrix composite, microstructure

摘要：

采用搅拌摩擦加工法进行了原位合成Al-Ti金属间化合物颗粒增强铝基复合材料的试验,研究了复合材料的微观组织和精细结构。结果表明,以纯Ti粉和纯铝板为原材料,采用搅拌摩擦加工的方法可以原位合成TiAl3金属间化合物颗粒增强铝基复合材料。在复合材料铝基体上,除了生成的TiAl3金属间化合物外,还存在一些纯Ti颗粒以及纯铝基体上的固溶体。经旋转摩擦挤压后,纯铝基体的晶粒得到细化,尺寸为200nm左右,生成的TiAl3晶粒尺寸约为200~300nm。

关键词: 搅拌摩擦加工, 原位合成, 金属间化合物, 颗粒增强铝基复合材料, 微观组织结构

CLC Number:

TG456.9

CHEN Yu-Hua, GE Jun-Wei, HUANG Chun-Beng, HUANG Ke-Hui, KE Li-Meng. Microstructure of Al-Ti Intermetallic Compound Particle Reinforced Aluminum Matrix Composite In-situ Synthesized by Friction Stir Processing [J]. China Mechanical Engineering, 2013, 24(16): 2146-2149.

陈玉华, 戈军委, 黄春平, 黄科辉, 柯黎明. 搅拌摩擦加工原位合成Al-Ti颗粒增强铝基复合材料的微观结构[J]. 中国机械工程, 2013, 24(16): 2146-2149.

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Microstructure of Al-Ti Intermetallic Compound Particle Reinforced Aluminum Matrix Composite In-situ Synthesized by Friction Stir Processing 

搅拌摩擦加工原位合成Al-Ti颗粒增强铝基复合材料的微观结构

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