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논문 기본 정보

자료유형
학술저널
저자정보
김찬규 (한국재료연구원) 문도영 (한토커팅시스템) 문일우 (한토커팅시스템) 조영태 (창원대학교)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제21권 제1호
발행연도
2022.1
수록면
22 - 27 (6page)

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초록· 키워드

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In accordance with the growing trend of decommissioning nuclear facilities, research on the cutting process is actively proceeding worldwide. In general, a thermal cutting process, such as plasma cutting is applied to decommissioning a nuclear reactor pressure vessel (RPV). Plasma cutting has the advantage of removing the radioactive materials and being able to cut thick materials. However, when operating under water, the molten metal remains in the cut plane and re-solidifies. Hence, cutting is not entirely accomplished. For these environmental reasons, it is difficult to cut thick metal. The contact arc metal cutting (CAMC) process can be used to cut thick metal under water. CAMC is a process that cuts metal using a plate-shaped electrode based on a high-current arc plasma heat source. During the cutting process, high-pressure water is sprayed from the electrode to remove the molten metal, known as rinsing. As the CAMC is conducted without using a shielding gas, such as Argon, the electrode is consumed during the process. In this study, CAMC is introduced as a method for dismantling nuclear vessels and the relationship between the metal removal and electrode consumption is investigated according to the cutting conditions.

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ABSTRACT
1. 서론
2. 실험 방법
3. 실험결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2022-581-000150176