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가스분무 공정에 의한 고강도 과공정 Al-Si 합금 분말의 제조 및 특성 연구I. 분말 제조 및 성형성

Fabrication and Properties of High Strength HypereutecticAl-Si Powder by Gas Atomization ProcessI. Powder Production and Compressibility

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참고문헌

주제분류금속공학

초록

Abstract

In order to improve mechanical properties, the hypereutectic Al-20wt%Si based prealloy powder was prepared by gas atomization process. Microstructure and compressibility of the atomized Al-Si powder were investigated. The average powder size was decreased with increasing the atomization gas pressure. Size of primary Si particles of the as-atomized powder was about 5-8 mm. The as-atomized Al-Si powder such as AMB 2712 and AMB 7775 to increase compressibility and sinterability. Relative density of the mixed powder samples sintered at 600 was reached about 96% of a theoretical density.

참고문헌 (1)

  1. "Binary Alloy Phase Diagrams", pp.106~ (1986)

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