Theoretical study on fabrication of functionally graded material with density gradient by a centrifugal solid-particle method

被引：58
|
作者：
Ogawa, Tetsuro
Watanabe, Yoshimi
Sato, Hisashi
Kim, Ick-Soo
Fukui, Yasuyoshi
机构：
[1] Shinshu Univ, Dept Funct Machinery & Mech, Ueda, Nagano 3868567, Japan
[2] Nagoya Inst Technol, Grad Sch Engn, Dept Engn Phys Elect & Mech, Showa Ku, Nagoya, Aichi 4668555, Japan
[3] Kagoshima Univ, Dept Mech Engn, Kagoshima 8900065, Japan
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2006年 / 37卷 / 12期
关键词：
metal-matrix composites (MMCs); particle-reinforcement; computational modelling; casting;
D O I：
10.1016/j.compositesa.2005.10.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Computer simulation was carried out for an estimation of the effect of centrifugal force on the formation of graded distribution of solid spherical particles within molten metal. The difference of migration rate between two kinds of spherical particles with different diameter and density was calculated taking account of the application of a centrifugal solid-particle method. Based on the systematic analysis, the capability of fabrication of the functionally graded materials ring with a unique density gradients which comprise the graded distributions of two kinds of solid particles is discussed. The unique gradient was essentially achieved due to the preferential movement of large particles with low density in comparison to small particles with high density. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2194 / 2200
页数：7
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