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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.2
- 수록면
- 87 - 92 (6page)
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초록· 키워드
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Recently, use of thick Al 5083 plate has increased in production of LNG storage tank. In general, multi-pass welding has been used to achieve sufficient penetration in thick plate welding. High current welding which enables high deposition and deep penetration is preferred in thick plate welding because the increase of number of pass increases manufacturing cost and formation of weld defect.
In this study, welding characteristics according to various Ar/He shielding gas composition was investigated in high current MIG welding. The bead-on-plate welding and V groove welding were conducted on Al 5083 alloy with a thickness of .25 mm. The effect of shielding gas composition on bead shape was evaluated and proper shielding gas composition was proposed. Also arc stability was examined under selected shielding gas composition. One side-one pass welding experiments were conducted for V groove specimen with a thickness of 25 mm. Mechanical properties and hardness profiles were measured for the V groove specimens.
In this study, welding characteristics according to various Ar/He shielding gas composition was investigated in high current MIG welding. The bead-on-plate welding and V groove welding were conducted on Al 5083 alloy with a thickness of .25 mm. The effect of shielding gas composition on bead shape was evaluated and proper shielding gas composition was proposed. Also arc stability was examined under selected shielding gas composition. One side-one pass welding experiments were conducted for V groove specimen with a thickness of 25 mm. Mechanical properties and hardness profiles were measured for the V groove specimens.
목차
Abstract
1. 서론
2. 실험방법
3. 실험결과
4. 결론
Reference
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - S.H. Hong / 1995 / Present Status and Prospect of LNG Storage Tank / Journal of KWS 13 (3) : 1 ~ 7
2. [학술지(정기간행물)] - Baba O / 2008 / Production process of aluminium alloy tank of SPB LNG carrier / Weld Int 22 : 438 ~ 445
3. [학술대회논문] - Kumai S / 2010 / Structure and welding technologies for SPB LNG aluminium tank / Proceedings of the 12th international conference on aluminium alloys : 82 ~ 87
4. [학술지(정기간행물)] - Miyazaki H / 1993 / Puckering in aluminium alloy welds - prevention using double wire MIG welding / Weld Int 7 : 431 ~ 437
5. [학술지(정기간행물)] - Kiyohara M / 1977 / Effects of wire diameter on weldability in high current MIG welding of thick plate Al-Mg alloy / J Light Met Weld Constr 56 : 20 ~ 28
2. [학술지(정기간행물)] - Baba O / 2008 / Production process of aluminium alloy tank of SPB LNG carrier / Weld Int 22 : 438 ~ 445
3. [학술대회논문] - Kumai S / 2010 / Structure and welding technologies for SPB LNG aluminium tank / Proceedings of the 12th international conference on aluminium alloys : 82 ~ 87
4. [학술지(정기간행물)] - Miyazaki H / 1993 / Puckering in aluminium alloy welds - prevention using double wire MIG welding / Weld Int 7 : 431 ~ 437
5. [학술지(정기간행물)] - Kiyohara M / 1977 / Effects of wire diameter on weldability in high current MIG welding of thick plate Al-Mg alloy / J Light Met Weld Constr 56 : 20 ~ 28
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