〈原著論文〉超硬合金のレーザ積層造形
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[Abstract] In this study, the fabrication conditions of WC cemented carbides by direct selective laser melting were investigated. The effects of additives, such as Co, Cu-20％Sn and Cu powders, and laser melting conditions on laser scanning process were examined to fabricate a sound laser-scanned body of WC cemented carbides. The optimum laser power, scan speed and scan pitch were found out by experiments. It was found that the continuously smooth single-scan track can be obtained at a lower laser power and a higher scan speed by the addition of 30％ Cu powder. The smooth surface of the laser-scanned body could be fabricated at a laser power of 9 W, a scan speed of 20 mm/s and a scan pitch of 0.05 mm.
- 近畿大学次世代基盤技術研究所の論文
- 2011-06-00
近畿大学次世代基盤技術研究所 | 論文
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