Preparation of Ti-Si intermetallic compound porous membrane materials

被引：0
|
作者：
Liu Z.-M. [1 ]
Liu Z.-J. [1 ]
Ji S. [1 ]
机构：
[1] College of Materials and Engineering, Xi'an Shiyou University, Xi'an
来源：
Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals | 2021年 / 31卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Composite porous material; In-situ reaction; Porous material; Ti-Si intermetallic compound;
D O I：
10.11817/j.ysxb.1004.0609.2021-36493
中图分类号：
学科分类号：
摘要：
Ti powder and high-purity quartz tube were used as raw materials, and combined with cold isostatic pressing and vacuum sintering process, a new porous material using porous titanium as matrix and Ti-Si intermetallic compound as porous membrane was prepared. The phase composition and microstructure of the sintered product were observed and analyzed by XRD, EDS and SEM. The results show that the thickness and pore size of the Ti-Si intermetallic compound porous membrane are 2-3 μm and less than 0.3 μm. At the same time, the effect of Ti powder in different particle size ranges on the uniformity of Ti-Si porous membrane was also studied. A composite porous material using porous titanium as matrix and Ti-Si intermetallic compound as porous membrane was successfully prepared by in-situ reaction sintering in a limited zone, which provides a new way for the preparation of metal gradient porous materials. © 2021, China Science Publishing & Media Ltd. All right reserved.
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页码：2490 / 2498
页数：8
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