Fabrication of Short Graphite Fiber Preforms for Liquid Metal Infiltration
Fabrication of Short Graphite Fiber Preforms for Liquid Metal Infiltration
复制标题
用于液态金属渗透的短石墨纤维预制件的制造
DOI:
10.1007/s11665-012-0460-4
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发表时间:
2013-06
影响因子:
2.3
通讯作者:
Qu, Xuanhui
中科院分区:
文献类型:
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作者:
Zhang, Lin;Wang, Ling;Kang, Qiping;Qu, Xuanhui
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 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 W/m K, proving the applicability of the prepared preforms for liquid metal infiltration.
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DOI:
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