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大韓溶接·接合學會誌 = Journal of the Korean Welding and Joining Society, v.26 no.2, 2008년, pp.5 - 11
강봉용 (한국생산기술연구원, 정밀접합팀) , 강봉용 (한국생산기술연구원, 정밀접합팀) , 강문진 (한국생산기술연구원, 정밀접합팀) , 김인주 (한국생산기술연구원 지능형부품소재센터)
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| 핵심어 | 질문 | 논문에서 추출한 답변 |
|---|---|---|
| MPW 기술을 처음 개발한 나라는? | MPW 기술은 초기에 구 소련(Soviet Union)에서 제한적으로 군사 분야에 적용을 위하여 개발되었다. 그 이후에 자동차, 가전 등의 분야에서 본 기술에 대한 산업적 응용에 관심을 갖기 시작하였으며. | |
| MPW의 원리와 폭발접합을 비교하면? | MPW의 원리는 이미 잘 알려진 폭발접합과 유사하다. 다만 폭발접합(explosive joining)은 폭약의 폭발로 발생되는 순간적인 높은 충격에너지를 이용하여 금속을 접합시키며, 반면에 MPW은 충전된 고에너지를 순간적으로 방전함으로써 발생되는 전자기력을 이용하여 두 금속사이에 고속 충돌을 발생시켜 금속을 접합시키는 공정이다4). | |
| MPW는 어떤 방법인가? | MPW는 자기장에 의한 전자기력을 사용하므로 물리적인 접촉 없이 금속을 가공하는 방법으로서, 용접 (brazing과 soldering 포함), 금형 및 소성가공공정에서 환경오염 발생원인 용접재료, 가스, 용가재, 플럭스, 윤활유 및 세척유 등이 필요 없이도 고품질의 제품을 생산할 수 있는 친환경적인 공정기술이다. 그 외에도 도금된 상태에서 작업이 가능하여 기존의 공정에서 결함이 발생되었을 때 재도금을 실시하는 후공정이 생략 되어 도금공정에서 배출되는 오염물질도 줄일 수 있고, 작업이 수 μs 하에서 이루어지기 때문에 전력소모가 매우 적으며 작업시간을 절약할 수 있는 장점을 갖고 있다1). |
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