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    국내학술지 제목 게시판 내용
    제목(국문) 대형 잉곳의 기공압착 효과 향상을 위한 폐쇄조건 연구
    제목(영문) Void Closing Conditions of Large Ingot by Path Schedules
    저자 최익준 (I. J, Choi, ,인하대학교 대학원 금속공학과 ) ▷공저자네트워크등록하기
    최호준 (HoJoon Choi ,한국생산기술원 디지털성형공정 ) ▷공저자네트워크등록하기
    김대원 (D, W. Kim ,한국생산기술연구원 ) ▷공저자네트워크등록하기
    최석우 (Seogou Choi ,한국생산기술연구원, 디지털성형공정팀 ) ▷공저자네트워크등록하기
    임성주 (Seong joo Lim ,한국생산기술연구원, 디지털성형공정팀 ) ▷공저자네트워크등록하기
    초록

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    초록(영문)

    In this work, the closing behavior of cylindrical-shaped voids was experimentally investigated according to various parameters such as reduction ratio in height, initial void size and billet rotation during hot open die forging process. The reduction ratio in height, number of path, and billet rotation were chosen as key process parameters which influence the void closing behavior including the change of void shape and size. On the other hand, values of die overlapping and die width ratio were set to be constant. Void closing behavior was estimated by microscopic observation. Based on the observations, it was confirmed that application of billet rotation is more efficient to eliminate the void with less reduction ratio in height. The experimental results obtained from this study could be helpful to establish the optimum path schedule
    of open die forging process.
     

    keyword Hot Open Die Forging, Void Closing Behavior, Reduction Ratio in Height, Billet Rotation, Void Size
    저널명 소성·가공 ▷관련저널보기
    VOL 19
    PAGE 480-485
    발표년도 2010
    국문File 국문다운로드
    영문File
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