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      KCI등재 SCI SCIE SCOPUS

      Strain Hardening Behavior During Manufacturing of Tube Shapes by Hydroforming

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      https://www.riss.kr/link?id=A104264811

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      다국어 초록 (Multilingual Abstract)

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube
      during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending,
      preforming, and expansion. The latter is usually called hydroforming. As a result of these three steps, the
      final product’s strain hardening history is nonlinear. In the present study, the strain hardening behavior during
      hydroforming was experimentally investigated. The variation of local flow stress and/or local hardness was
      used as an index of the strain hardening during the various steps and the local flow stress and/or local hardness
      were used with respective correlations to determine the effective strain. The strain hardening behavior during
      hydroforming after preforming has been successfully analyzed by using the relationships between hardness,
      flow stress, and effective strain for variable pre-strains prior to hydroforming. The comparison of predicted
      hardness with measured hardness confirms that the methodology used in this study is feasible, and that the
      strain hardening behavior can be quantitatively estimated with good accuracy.
      번역하기

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending, preforming, and expansion. The latter...

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube
      during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending,
      preforming, and expansion. The latter is usually called hydroforming. As a result of these three steps, the
      final product’s strain hardening history is nonlinear. In the present study, the strain hardening behavior during
      hydroforming was experimentally investigated. The variation of local flow stress and/or local hardness was
      used as an index of the strain hardening during the various steps and the local flow stress and/or local hardness
      were used with respective correlations to determine the effective strain. The strain hardening behavior during
      hydroforming after preforming has been successfully analyzed by using the relationships between hardness,
      flow stress, and effective strain for variable pre-strains prior to hydroforming. The comparison of predicted
      hardness with measured hardness confirms that the methodology used in this study is feasible, and that the
      strain hardening behavior can be quantitatively estimated with good accuracy.

      더보기

      다국어 초록 (Multilingual Abstract)

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube
      during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending,
      preforming, and expansion. The latter is usually called hydroforming. As a result of these three steps, the
      final product’s strain hardening history is nonlinear. In the present study, the strain hardening behavior during
      hydroforming was experimentally investigated. The variation of local flow stress and/or local hardness was
      used as an index of the strain hardening during the various steps and the local flow stress and/or local hardness
      were used with respective correlations to determine the effective strain. The strain hardening behavior during
      hydroforming after preforming has been successfully analyzed by using the relationships between hardness,
      flow stress, and effective strain for variable pre-strains prior to hydroforming. The comparison of predicted
      hardness with measured hardness confirms that the methodology used in this study is feasible, and that the
      strain hardening behavior can be quantitatively estimated with good accuracy.
      번역하기

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending, preforming, and expansion. The latt...

      Safe and robust process design relies on knowledge of the evolution of the mechanical properties in a tube
      during hydroforming. The manufacturing of tubular shapes generally consists of three main stages: bending,
      preforming, and expansion. The latter is usually called hydroforming. As a result of these three steps, the
      final product’s strain hardening history is nonlinear. In the present study, the strain hardening behavior during
      hydroforming was experimentally investigated. The variation of local flow stress and/or local hardness was
      used as an index of the strain hardening during the various steps and the local flow stress and/or local hardness
      were used with respective correlations to determine the effective strain. The strain hardening behavior during
      hydroforming after preforming has been successfully analyzed by using the relationships between hardness,
      flow stress, and effective strain for variable pre-strains prior to hydroforming. The comparison of predicted
      hardness with measured hardness confirms that the methodology used in this study is feasible, and that the
      strain hardening behavior can be quantitatively estimated with good accuracy.

      더보기

      참고문헌 (Reference)

      1 W. J. Song, 368-, 2007

      2 R. Hill, 281-, 1948

      3 M. Koç, 41 : 761-, 2001

      4 P. Ray, 47 : 1498-, 2005

      5 E. Chu, 46 : 263-, 2004

      6 B. S. Levy, 280-, 2004

      7 P. Bortot, 381-, 2008

      8 M. Nemat-Alla, 45 : 605-, 2003

      9 M. Strano, 92-, 2004

      10 Y. Xu, 413-, 2008

      1 W. J. Song, 368-, 2007

      2 R. Hill, 281-, 1948

      3 M. Koç, 41 : 761-, 2001

      4 P. Ray, 47 : 1498-, 2005

      5 E. Chu, 46 : 263-, 2004

      6 B. S. Levy, 280-, 2004

      7 P. Bortot, 381-, 2008

      8 M. Nemat-Alla, 45 : 605-, 2003

      9 M. Strano, 92-, 2004

      10 Y. Xu, 413-, 2008

      11 심호섭, "이차경화형 Co-Ni 합금강의 인장특성에 미치는 Co의 영향" 대한금속·재료학회 45 (45): 101-108, 2007

      12 R. Hill, "The Mathematical Theory of Plasticity" Clarendon Press 1950

      13 Heon Young Kim, "The Effect of Prebending on the Formability in the Tube Hydroforming Process of an Aluminum Rear Subframe" 대한금속·재료학회 13 (13): 87-92, 2007

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      학술지 이력

      학술지 이력
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      2008-01-01 평가 SCI 등재 (등재유지) KCI등재
      2005-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
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      학술지 인용정보
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      2016 2.05 0.91 1.31
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
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