Precipitation of Si particles in a super-rapidly solidified Al-Si hypereutectic alloy

Matsuura K.; Kudoh M.; Kinoshita H.Takahashi H.

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Precipitation of Si particles in a super-rapidly solidified Al-Si hypereutectic alloy

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Fine silicon particles of approximately 20 nm in average diameter were dispersed in the Al matrix of a hypereutectic Al-Si alloy powder produced by the spinning water atomization process. This powder was sintered at a temperature between 623 and 773 K for a maximum period of time of 20.4 ks. The silicon particles grew during sintering but the size remained at a sub-micron level. The Vickers hardness varied from 150 and 180, depending on the sintering temperature. These values of the Vickers hardness were two to three times as high as those of conventionally cast bars of the same alloy. (C) 2003 Elsevier Science B.V. All rights reserved. References: 4

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《Materials Chemistry and Physics》 |2003年第3期|393-395|共3页
作者
Matsuura K.; Kudoh M.; Kinoshita H.Takahashi H.;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Powder metallurgy; Precipitation hardening; Tensile strength;

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机译：Influence of spark plasma sintering and conventional sintering on microstructure and mechanical properties of hypereutectic Al-Si alloy and hypereutectic Al-Si/B4C composites
2. Solidification structure of melt mixture of hypoeutectic/semisolid hypereutectic Al-Si alloy [J] . X. W. Wei, S. Luo, X. L. Wang Materials Science and Technology: MST: A publication of the Institute of Metals . 2012,第12期

机译：Solidification structure of melt mixture of hypoeutectic/semisolid hypereutectic Al-Si alloy
3. Micro-Raman Analysis of the Si Particles Present in Al-Si Hypereutectic Alloys in Liquid and Semi-Solid States [J] . Francisco Carlos Robles Hernandez, Jerry H. Sokolowski, Jose de J. Cruz Rivera Advanced Engineering Materials . 2007,第2期

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4. Analysis of Mechanical and Physical Properties of Al-Si (Al-Si) Casting Alloys Reinforced with Various Eggshell Nanopowders [C] . P Puspitasari, R A Safarudin, M I N Sasongko International Conference on Condensed Matters and Advanced Materials . 2019

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7. Effect of container shape and walls on solidification of Brownian particles in a narrow system [O] . Fujine, Mamoru, Sato, Masahide, Katsuno, Hiroyasu, 2014

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8. Mechanistic Selection and Growth of Twinned Bicrysalline Primary Si in near Eutectic Al-Si Alloys [R] . Jung, C. 2006

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Precipitation of Si particles in a super-rapidly solidified Al-Si hypereutectic alloy

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