Mechanical properties and microstructure of magnesium alloys composites fabricated by casting

G. Sasaki, M. Yoshida, J. Pan, N. Fuyama, T. Fujii, H. Fukunaga

研究成果: Conference article査読

13 被引用数 (Scopus)

抄録

SiC and Al18B4O33 particle/whisker reinforced (AZ91D) magnesium alloy matrix composites were fabricated by the melt stirring and casting and the squeeze casting. Some composites were fabricated under the semi-solid conditions and extruded at high temperature in order to improve the mechanical properties. The strength and the aging hardness of the composites were investigated. The microstructure was observed in order to investigate the preparation conditions of the composite having salient mechanical properties. Specially, the interface between the reinforcement and the matrix were observed minutely by high-resolution electron microscopy. The reactivity between the whisker and the matrix in the composite is low. The reinforcements in all composites distribute uniformly in the matrix. The density and the strength of the composite increases and the grain size in the matrix decrease by the extrusion.

本文言語English
ページ(範囲)215-220
ページ数6
ジャーナルMaterials Science Forum
350
出版ステータスPublished - 2000 1 1
外部発表はい
イベントProceedings of the 1st Nagaoka International Workshop on Magnesium Platform Science and Technology 2000 - Nagaoka, Jpn
継続期間: 2000 7 272000 7 29

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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