Impact consolidation of mixed copper and carbon powders mechanically alloyed

T. Yamane, H. Okubo, N. Oki, K. Hisayuki, M. Konishi, Y. Minamino, Y. Koizumi, M. Kiritani, M. Komatsu, Jin Kim Sung Jin Kim

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Mixed copper and carbon powders were mechanically alloyed (MA) in a planetary ball mill. The supersaturated solid solubility of carbon in MA copper was 25at%C which was determined from lattice parameter change. The supersaturated copper powder consolidated by static compression of 1.4 GPa, has the relative density of 95%, and Vickers hardness of 121. Otherwise, that consolidated dynamically by a bullet of 90.1 g at the speed of 38.1 m/s after 0.4 GPa static compression, has the relative density of 96.3%, and Vickers hardness of 200. Keeping the MA effect more than half, MA powders could be consolidated by impact pressure.

本文言語English
ページ(範囲)9-14
ページ数6
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
48
1
DOI
出版ステータスPublished - 2001 1月

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学
  • 金属および合金
  • 材料化学

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