TEM analysis of the interfaces between the components in magnesium matrix composites reinforced with SiC particles

被引：33

作者：

Braszczynska, KN

Litynska, L

Zyska, A

Baliga, W

机构：

[1] Czestochowa Tech Univ, Inst Mat Engn, PL-42200 Czestochowa, Poland

[2] Polish Acad Sci, Inst Met & Mat Sci, PL-30059 Krakow, Poland

[3] Czestochowa Tech Univ, Inst Foundry, PL-42200 Czestochowa, Poland

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2003年 / 81卷 / 2-3期

关键词：

TEM; metal matrix composites; SiC particles; structure;

D O I：

10.1016/S0254-0584(02)00594-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A microstructural analysis of the interfaces between the components of cast composites based on magnesium and magnesium alloys (MgAl8, MgZn6 and MgRE3; RE: rare-earth elements) reinforced with SiC particles is presented. Transmission electron microscopy (TEM) investigations allowed to establish the adhesive character of the bonds between the SiC particles and Mg matrix as well as MgA18, MgZn6 matrix alloys, while the composites based on Mg alloys containing rare-earth elements exhibited a reaction layer between the components. Occasionally, the interfaces between the components contained precipitates derived from the instability of the conditions or parameters of the production processes. Energy-dispersive spectrometry and electron diffraction analyses allowed to identify the precipitates as the SiO2, MgO and Fe-containing compounds. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：326 / 328

页数：3

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