Carbide Addition on Aluminum Alloy Surface by Plasma Transferred Arc Welding Process(Surface Processing)
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概要
- 論文の詳細を見る
Effect of carbide addition on the surface characteristics of aluminum alloy 5083 has been investigated by using the plasma transferred arc welding process with NbC, TiC or SiC powders. Optimum overlaying conditions with good bead appearance and less porosities in overlaid metal were affected with welding current, powder feeding rate and preheating temperature of base metal. The maximum area ratio of carbide injected in overlaid metal was about 40% for NbC, TiC, and about 30% for SiC. Hardness increase of overlaid metal by carbide addition was not so large, that is, in the range between Hv 110 and 140. However, abrasive resistance of overlaid metal at higher sliding speed was remarkably improved by the addition of carbide, though at lower sliding speed it was not almost improved. No peeling of overlaid metal from the base metal was observed through bending test.
- 大阪大学の論文
著者
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NAKATA Kazuhiro
Osaka university
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MATSUDA Fukuhisa
Osaka University
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Nakata Kazuhiro
Osaka Univ. Ibaraki
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Nagai Kensuke
Tocaro Co. Ltd.
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Shimizu S
Ndk Electron Beam Inc.
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SHIMIZU Shigeki
NDK Electron Beam Inc.
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Matsuda Fukuhisa
Osaka Univ.
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