Thermal conductivity of Al-SiCp composites by plasma spraying

被引：37
|
作者：
Gui, MC
Kang, SB
Euh, K
机构：
[1] Korea Inst Machinery & Mat, Dept Mat Technol, Chang Won 641010, Kyungnam, South Korea
[2] Inst Aeronaut Mat, Natl Lab Adv Composites, Beijing 100095, Peoples R China
来源：
SCRIPTA MATERIALIA | 2005年 / 52卷 / 01期
关键词：
thermal conductivity; aluminum matrix composites; plasma spraying; porosity; thermal boundary resistance; SiC;
D O I：
10.1016/j.scriptamat.2004.08.028
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Pure Al powders with 5 5 and 75 vol% SiC particles were ball milled in different conditions, and then plasma sprayed to form Al/ SiCp composites. The average size of SiC particles was varied from 8 to 30 mum. Thermal conductivity of the sprayed composites was measured at room temperature of 25degreesC. The tests showed that thermal conductivity of the composites was relatively low and significant variation with SiC size and feedstock preparation. The mechanism of thermal conductivity degradation in the composites was discussed, and numerical analyses were conducted based on theories of Maxwell and thermal boundary resistance. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：51 / 56
页数：6
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