Production of a high strength Al/(TiAl3+Al2O3) composite from an Al-TiO2 system by accumulative roll-bonding and spark plasma sintering

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成果类型：

期刊论文

作者：

Zhang, G. P.;Mei, Q. S.*;Chen, F.;Ma, Y.;Mei, X. M.;...

通讯作者：

Mei, Q. S.

作者机构：

[Ruan, X. F.; Mei, Q. S.; Chen, F.; Mei, X. M.; Zhang, G. P.; Wan, L.; Ma, Y.] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China.

[Mei, Q. S.; Zhang, G. P.] Wuhan Univ, Minist Educ, Key Lab Hydraul Machinery Transients, Wuhan 430072, Hubei, Peoples R China.

[Li, J. Y.] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430023, Hubei, Peoples R China.

通讯机构：

[Mei, Q. S.] W

Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China.

语种：

英文

关键词：

Metal matrix composites;Aluminum;In-situ reaction;Strengthening mechanism;Ultrafine-grained microstructure

期刊：

Materials Science and Engineering A-structural Materials Properties Microstructure and Processing

ISSN：

0921-5093

年：

2019

卷：

752

页码：

192-198

DOI：

10.1016/j.msea.2019.03.012

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51371128]; Fundamental Research Funds for the Central Universities of ChinaFundamental Research Funds for the Central Universities [2042017kf0190]; Research and Innovation Initiatives of WHPU [2016y07]; Science and Technology Research Project of Hubei Provincial Education Department [B2017070]

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本校为其他机构

院系归属：

机械工程学院

摘要：

A bulk in-situ Al/(TiAl3+Al2O3) composite was fabricated by accumulative roll-bonding (ARB) and spark plasma sintering (SPS) from pure Al sheets and TiO2 nanoparticles. The microstructure and mechanical properties of the composite were investigated. A uniform dispersion of TiO2 nanoparticles in Al matrix was first achieved by ARB processing in the primary Al/TiO2 composites. Subsequent SPS resulted in the formation of hierarchical TiAl3 (&sim;60 nm) and Al2O3 (&sim;750 nm) particles that were distributed uniformly in the ultrafine-grained Al matrix. Microhardness and strength (at ambient and h...

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Production of a high strength Al/(TiAl3+Al2O3) composite from an Al-TiO2 system by accumulative roll-bonding and spark plasma sintering

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