Microstructures and properties of Si-Zr alloy based CMCs reinforced by various porous C/C performs

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成果类型：

期刊论文

作者：

Tong, Y. G.;Cai, Z. H.*;Bai, S. X.;Hu, Y. L.;Hua, M. Y.;...

通讯作者：

Cai, Z. H.;Li, Y.

作者机构：

[Tong, Y. G.; Xie, W.; Hua, M. Y.; Hu, Y. L.] Changsha Univ Sci & Technol, Coll Automobile & Mech Engn, Changsha, Hunan, Peoples R China.

[Cai, Z. H.] Acad Armored Forces Engn, Natl Engn Res Ctr Mech Product Remfg, Beijing, Peoples R China.

[Bai, S. X.; Ye, Y. C.] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha, Hunan, Peoples R China.

[Li, Y.] Cent S Univ, State Key Lab Powder Met, Changsha, Hunan, Peoples R China.

通讯机构：

[Cai, Z. H.] A

[Li, Y.] C

Acad Armored Forces Engn, Natl Engn Res Ctr Mech Product Remfg, Beijing, Peoples R China.

Cent S Univ, State Key Lab Powder Met, Changsha, Hunan, Peoples R China.

语种：

英文

关键词：

Ablation resistance;C/C-SiC composite;Mechanical properties;Microstructure;Reactive melt infiltration

期刊：

Ceramics International

ISSN：

0272-8842

年：

2018

卷：

期：

页码：

16577-16582

DOI：

10.1016/j.ceramint.2018.06.081

机构署名：

本校为第一机构

院系归属：

汽车与机械工程学院

摘要：

C/C-SiC composites were fabricated via Si-Zr reactive alloyed melt infiltration using various C/C preforms with different porosities as reinforcements. The influence of preform porosities on the microstructure, mechanical strength and ablation resistance of the as-prepared composites were investigated. The results indicated that microstructure and properties of the C/C-SiC composites seriously depended on C/C preform porosities. The composites were mainly composed of carbon, SiC and ZrSi2 phases, while some residual silicon still existed in the composites prepared with very large porosity pref...

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Microstructures and properties of Si-Zr alloy based CMCs reinforced by various porous C/C performs

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