• 제목/요약/키워드: 철 합금

검색결과 385건 처리시간 0.031초

Al-Alloy 7075-T651의 부식피로균열성장 거동에 관한 연구(II) -주기 하중 파형의 영향-

  • 김봉철;강봉수;한지원;우흥식
    • 한국산업안전학회:학술대회논문집
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    • 한국안전학회 1998년도 추계 학술논문발표회 논문집
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    • pp.9-14
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    • 1998

  • 고강도 알루미늄 합금은 기술의 진보에 따라서 이용도가 높은 매우 중요한 재료로서, 잘 알려진 적용분야로서는 항공우주산업, 고속회전체, 항공기용재 등으로 많이 사용되고 있다. 고강도 알루미늄 합금은 Al-Cu-Mg(2000 series)를 기초로 둔것과 Al-Zn-Mg-Cu(7000 series)를 기초로 둔 것등이 있다. (중략)

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티타늄 합금의 슬롯가공에서 엔드밀 공구마멸 감시 (Tool wear monitoring of end mill in slot machining of titanium alloy)

  • 하건호;구세진;김정석;양순철
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 1995년도 추계학술대회 논문집
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    • pp.101-104
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    • 1995

  • A acoustic emission (AE) sensor has been used to monitor tool were during milling process. The relation between tool wear and AE RMS (Root mean Square) signal was investigated experimentally. A avaliable monitoring index for monitoring toolwear was newly extracted form AE RMS. And on-line monitoring program was developed. The proposed monitoring system has verified experimentally by roughing end milling titanium alloy with TIN coated HSS tool.

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Radiator용 Al합금의 부식거동에 관한 연구 (The Study on the Corrosion Behavior of Al-alloy for Radiator)

  • 임우조;정기철;윤대영
    • 한국마린엔지니어링학회:학술대회논문집
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    • 한국마린엔지니어링학회 2002년도 춘계학술대회논문집
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    • pp.135-139
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    • 2002

  • Most of all the mechanical devices are becoming more high-speed and high-power as well as their used condition being more polluted. So, it is necessary for these devices to equip cooling system to overcome that kind of severe using condition. In this study, corrosion test was carried out in distilled and tap water for the investigation on the corrosion characteristics of Al-alloy that is using as material for radiator.

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