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Plasticity improvement of amorphous alloy via skim cold rolling

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Abstract

This study reports the plasticity improvement of amorphous alloy associated with skim cold rolling. It was found that, with an increasing reduction in thickness of up to 6 %, the plastic strain increased considerably from 1.5 % to 9.6% while the yield strength deceased slightly from 1.75 GPa to 1.68 GPa. With further rolling beyond 6 %, the changes in the plasticity and yield strength were observed to be insignificant. In this study, we discussed the principle underlying the improved plasticity of amorphous alloy in view of the creation of excess free volume during skim cold rolling.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Korea University, 1 Anam-dong 1-ga, Seongbuk-gu, Seoul, 136-701, Korea

    Minh Son Pham, Kyoung-Won Park & Jae-Chul Lee

  2. Division of Materials Science and Engineering, Hanyang University, 17 Haengdang-dong, Seongdong-gu, Seoul, 133-791, Korea

    Byung-Gil Yoo & Jae-Il Jang

Authors
  1. Minh Son Pham
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  2. Kyoung-Won Park
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  3. Byung-Gil Yoo
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  4. Jae-Il Jang
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  5. Jae-Chul Lee
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Correspondence to Jae-Chul Lee.

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Pham, M.S., Park, KW., Yoo, BG. et al. Plasticity improvement of amorphous alloy via skim cold rolling. Met. Mater. Int. 15, 209–214 (2009). https://doi.org/10.1007/s12540-009-0209-2

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  • DOI: https://doi.org/10.1007/s12540-009-0209-2

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