Fabrication of Short Graphite Fiber Preforms for Liquid Metal Infiltration
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- 作者：Tingting Liu (1)
Xinbo He (1)
Qian Liu (1)
Lin Zhang (1)
Ling Wang (1)
Qiping Kang (1)
Xuanhui Qu (1) (2) - 关键词：aluminum matrix composites ; binder ; porous preform ; short graphite fibers ; vacuum pressure infiltration
- 刊名：Journal of Materials Engineering and Performance
- 出版年：2013
- 出版时间：June 2013
- 年：2013
- 卷：22
- 期：6
- 页码：1649-1654
- 全文大小：773KB
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Xinbo He (1)
Qian Liu (1)
Lin Zhang (1)
Ling Wang (1)
Qiping Kang (1)
Xuanhui Qu (1) (2)
1. Institute for Advanced Materials and Technology, University of Science and Technology Beijing, 30 Xue Yuan Road, Beijing, 100083, China
2. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, 30 Xue Yuan Road, Beijing, 100083, China - ISSN：1544-1024
文摘
Starch-based and paraffin wax (PW)-based binders were used to fabricate short graphite fiber preforms for liquid metal infiltration. The effects of different binder components and debinding process parameters on the properties of short graphite fiber preforms were investigated. The results indicate that the graphite fiber preforms with appropriate porosity of 58-62% and relatively high compressive strength of about 2-3聽MPa can be made by starch-based and PW-based binders. The graphite fiber preforms made from the PW-based binder exhibit higher compressive strength than that of the starch-based binder. Graphite fiber reinforced aluminum composites fabricated by utilizing these preforms through vacuum pressure infiltration have relatively high density of 98.5% and thermal conductivity of 186.3聽W/m聽K, proving the applicability of the prepared preforms for liquid metal infiltration.