期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 386, 期 1-2, 页码 177-181出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2004.06.015
关键词
powder metallurgy; magnesium; composites; B4C particulates; X-ray diffraction
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.
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