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

doi:10.2497/jjspm.48.9

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

Materials Processing and Characterization Division

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	9-14
Number of pages	6
Journal	Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume	48
Issue number	1
DOIs	https://doi.org/10.2497/jjspm.48.9
Publication status	Published - 2001 Jan

Keywords

Carbon
Copper
Mechanical alloying
Planetary ball mill
Supersaturated solid solution

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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10.2497/jjspm.48.9

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Impact consolidation of mixed copper and carbon powders mechanically alloyed. / Yamane, T.; Okubo, H.; Oki, N.; Hisayuki, K.; Konishi, M.; Minamino, Y.; Koizumi, Y.; Kiritani, M.; Komatsu, M.; Sung Jin Kim, Jin Kim.

In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 48, No. 1, 01.2001, p. 9-14.

Research output: Contribution to journal › Article › peer-review

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abstract = "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.",

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AU - Yamane, T.

AU - Okubo, H.

AU - Oki, N.

AU - Hisayuki, K.

AU - Konishi, M.

AU - Minamino, Y.

AU - Koizumi, Y.

AU - Kiritani, M.

AU - Komatsu, M.

AU - Sung Jin Kim, Jin Kim

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N2 - 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.

AB - 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.

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KW - Copper

KW - Mechanical alloying

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KW - Supersaturated solid solution

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Impact consolidation of mixed copper and carbon powders mechanically alloyed

Abstract

Keywords

ASJC Scopus subject areas

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