Fabrication of B4C particulate reinforced magnesium matrix composite by powder metallurgy

被引：180

作者：

Jiang, QC ^{[1
]}

Wang, HY ^{[1
]}

Ma, BX ^{[1
]}

Wang, Y ^{[1
]}

Zhao, F ^{[1
]}

机构：

[1] Jilin Univ, Dept Mat Sci & Engn, Key Lab Automobile Mat, Minist Educ, Changchun 130025, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2005年 / 386卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

powder metallurgy; magnesium; composites; B4C particulates; X-ray diffraction;

D O I：

10.1016/j.jallcom.2004.06.015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Magnesium metal matrix composites (MMCs) reinforced with various fractions of 10. 15 and 20 vol.%, B4C particulates fabricated by powder metallurgy (P/M) technique were investigated. Microstructure characterization of the composites revealed necklace distribution of B4C particulates in the matrix material and the presence of minimal micro-porosity. The X-ray diffraction (XRD) showed the formation of MgO and MgB2 in B4C/Mg Composites. Moreover. the results revealed that the hardness and wear resistance of the composites were his/her than those of as-cast Mg ingot and increased with increasing amount of B4C particulates from 10 to 20 vol.%. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：177 / 181

页数：5

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