In Situ Fabrication of Particles Reinforced Al-Si-Al2O3 Composites by Hot Isostatic Pressing

Author:

Gao Ying1,Zhu Dei Gui1,Cheng Ling1,Sun Hong Liang1,Wang Qing1

Affiliation:

1. Southwest Jiaotong University

Abstract

Particles reinforced Al-xwt.%Si-Al2O3(x=10,20) composites are fabricated through in situ reaction sintering of Al and SiO2powder by hot isostatic pressing. Outgassing process and the microstructure of composites under different sintering processes are studied.XRD analysis confirms that the best hot outgassing temperature is 500°C,in situ reaction achieves completely and samples A2 and B2 have better microstructure at 550°C then heating-up to 700°C only for 1h.The microstructure analysis indicates that the reinforcement particulates distribute uniformly in the aluminum matrix.The mechanical properties test results show that the tensile strength of A2 is higher than B2. whenx=10,the Al-Si-Al2O3composites have better performance.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Cited by 7 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Nanosize Al2O3 reinforcement in Si-rich aluminum MMC for enhanced tribological performance in engine components;Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering;2022-11-27

2. In Situ Hybrid Aluminum Matrix Composites: A Review of Phase Transformations and Mechanical Aspects;Advanced Engineering Materials;2019-04-15

3. Effect of addition of Si on thermal and electrical properties of Al-Si-Al2O3 composites;IOP Conference Series: Materials Science and Engineering;2017-06

4. Microstructure and wear behavior of Al-Al2O3 in situ composites fabricated by the reaction of V2O5 particles in pure aluminum;Green Processing and Synthesis;2015-01-01

5. Friction and wear properties of in-situ synthesized Al2O3 reinforced aluminum composites;Transactions of Nonferrous Metals Society of China;2014-07

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