2749 微細結晶粒を有するマグネシウム合金へのMg_2Si粒子分散特性(S29-2 アルミニウム合金およびマグネシウム合金の創製と加工技術(2),S29 アルミニウム合金およびマグネシウム合金の創製と加工技術)

概要

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Mg-Si alloy have high potential as heat resistant light metals because Mg_2Si exhibits a high melting temperature, low density, low thermal expansion coefficient and a reasonably high elastic modulus. On the other hand, the microstructural refinement serves the important of mechanical properties. In this work, magnesium alloy powder refined the grains was produced by roll compaction (RCP) process. And Bio-silica^[○!R] was used to synthesized Mg_2Si and MgO by reaction with magnesium alloy, and Mg_2Si/MgO/Mg composites were produced. The Bio-silica^[○!R] was high purity SiO_2 made from rice husk ash. It shows a good mechanical property could be fabricated by hot extrusion using a mixture of magnesium alloy powder and Bio-silica^[○!R].
一般社団法人日本機械学会の論文
2006-09-15