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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.11
- 수록면
- 2,053 - 2,057 (5page)
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초록· 키워드
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3D metal printing(AM) technology is the production technology to create metal products in way that the melted metal deposit from 3D CAD model data directly. Recently, research of AM techniques is active. AM techniques are divided into powder-based AM and wire-based AM. Wire-based AM is good for AM products of large-scale with a high speed deposition, inexpensive material. When TIG welding which is one of wire-based AM is applied, TIG welding AM is possible to control respectively the speed of the filler wire and arc intensity. Also, TIG welding AM has the advantages of wire-based AM and of clean environment.
This study was carried out to establish the bead shape and dominant parameter that are suitable for build-up. STS316L and Albronze(CuAl-A2) were built up using conventional TIG and the Super_TIG welding in order to apply to the AM. The heat input as build-up should be increased for getting a uniform bead shape, because Albronze has high thermal conductivity. The heat input for STS316L as build-up should be reduced in order to get a uniform bead shape, because it has thermal barrier effect due to low thermal conductivity. Applying the Super_TIG welding, the productivity was about 3times of conventional TIG welding. The uniform wall thickness and good appearance could be obtained even if STS316L and Albronze were built alternately.
This study was carried out to establish the bead shape and dominant parameter that are suitable for build-up. STS316L and Albronze(CuAl-A2) were built up using conventional TIG and the Super_TIG welding in order to apply to the AM. The heat input as build-up should be increased for getting a uniform bead shape, because Albronze has high thermal conductivity. The heat input for STS316L as build-up should be reduced in order to get a uniform bead shape, because it has thermal barrier effect due to low thermal conductivity. Applying the Super_TIG welding, the productivity was about 3times of conventional TIG welding. The uniform wall thickness and good appearance could be obtained even if STS316L and Albronze were built alternately.
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