Fabrication of Al<sub>3</sub>Ti Powder by Sintering Directly and its Reaction Mechanism

Zhou Liaoqi1; Zhang Xiaoyi1; Chen Yonghua1; Yan Qingyu1; Xie Xinyu1; Ding Yongheng1; L Chengye2

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Fabrication of Al₃Ti Powder by Sintering Directly and its Reaction Mechanism
- role： First author 第一作者
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Zhou Liaoqi1
1 ,
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Zhang Xiaoyi1
1 ,
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Chen Yonghua1
1 ,
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Yan Qingyu1
1 ,
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Xie Xinyu1
1 ,
- Affiliation：
  Henan Shangqiu SDL Group Company,Shangqiu,China
Ding Yongheng1
1 ,
- Affiliation：
  The Fourth Senior Middle School of Shangqiu,Shangqiu,China
L Chengye2
2
Vol. 29, Issue 9, Pages: 861-863(2009)
Published： 2009 ，
DOI：

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[1]周辽奇,张孝义,陈永华,闫青宇,谢新宇,丁永恒,吕成业.直接烧结法制备Al_3Ti粉末及反应机理的研究[J].特种铸造及有色合金,2009,29(09):861-863+783.

Zhou Liaoqi1, Zhang Xiaoyi1, Chen Yonghua1, et al. Fabrication of Al₃Ti Powder by Sintering Directly and its Reaction Mechanism. [J]. Special Casting & Nonferrous Alloys 29(9):861-863(2009)
[1]周辽奇,张孝义,陈永华,闫青宇,谢新宇,丁永恒,吕成业.直接烧结法制备Al_3Ti粉末及反应机理的研究[J].特种铸造及有色合金,2009,29(09):861-863+783. DOI：

Zhou Liaoqi1, Zhang Xiaoyi1, Chen Yonghua1, et al. Fabrication of Al₃Ti Powder by Sintering Directly and its Reaction Mechanism. [J]. Special Casting & Nonferrous Alloys 29(9):861-863(2009) DOI：

Fabrication of Al₃Ti Powder by Sintering Directly and its Reaction Mechanism

Zhou Liaoqi1 ; Zhang Xiaoyi1 ; Chen Yonghua1 ; Yan Qingyu1 ; Xie Xinyu1 ; Ding Yongheng1 ; L Chengye2 ;

Abstract

Taking commercial Ti and Al powders as reactants,Al3Ti powders were fabricated by sintering directly. Meanwhile,effects of Ti/Al molar ratio and sintering temperature on fabrication of pure Al3Ti powder were investigated. The results reveal that finer Al3Ti powder can be prepared with a higher Al/Ti molar ratio of 1∶2.5 by sintering directly compared with the theoretical value of 1∶3,so it is concluded that there exists Ti nucleus in Al3Ti powder prepared by sintering directly. The SEM observation and EDS analysis verify the presence of Ti nucleus in the Al3Ti particle.

transl

Keywords

Reactive Sintering; Al3Ti Powder; Mechanical Milling

transl

摘要

以商业化的Ti、Al粉末为原料

研究了利用直接烧结法制备较纯的Al3Ti粉末的摩尔比和温度。结果表明

直接烧结法所需的Ti、Al摩尔比为1∶2.5

而理论摩尔比1∶3。由此可以断定

利用直接烧结反应合成Al3Ti颗粒时内部可能存在有"Ti核"。借助SEM观察及EDS分析表明

破碎后的Al3Ti相内部存在有Ti相。

Abstract

Taking commercial Ti and Al powders as reactants

Al3Ti powders were fabricated by sintering directly. Meanwhile

effects of Ti/Al molar ratio and sintering temperature on fabrication of pure Al3Ti powder were investigated. The results reveal that finer Al3Ti powder can be prepared with a higher Al/Ti molar ratio of 1∶2.5 by sintering directly compared with the theoretical value of 1∶3

so it is concluded that there exists Ti nucleus in Al3Ti powder prepared by sintering directly. The SEM observation and EDS analysis verify the presence of Ti nucleus in the Al3Ti particle.

关键词

反应烧结Al3Ti金属间化合物机械球磨

Keywords

Reactive SinteringAl3Ti PowderMechanical Milling

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Related Author

Zhou Liaoqi 郑州大学物理工程学院 ; 教育部材料物理重点实验室

Liu Zhiyong 郑州大学物理工程学院 ; 教育部材料物理重点实验室

Li Shipeng 郑州大学物理工程学院 ; 教育部材料物理重点实验室

Wang Mingxing 郑州大学物理工程学院 ; 教育部材料物理重点实验室

Liu Zhongxia 郑州大学物理工程学院 ; 教育部材料物理重点实验室

Pang Pengsha 暨南大学材料科学与工程系

Li Wei 暨南大学材料科学与工程系

Liu Ying 暨南大学材料科学与工程系

Related Institution

School of Physical Engineering,Key Laboratory of Material Physics,Ministry of Education,Zhengzhou University

教育部材料物理重点实验室

Jinan University

School of Mathematics and phusics,Xuzhou Institute of Technology

Department of Materials Science and Engineering,Baise College

⁰

Fabrication of Al3Ti Powder by Sintering Directly and its Reaction Mechanism

Zhou Liaoqi1

Zhang Xiaoyi1

Chen Yonghua1

Yan Qingyu1

Xie Xinyu1

Ding Yongheng1

L Chengye2

DOI：

Abstract

Keywords

摘要

Abstract

关键词

Keywords

references

Fabrication of Al₃Ti Powder by Sintering Directly and its Reaction Mechanism