Abstract
Improvement of formability of aluminum alloy sheets is desired because of their lower drawability than mild steel. Therefore, the special sheet forming methods such as a hydro-mechanical forming and a tailor heat treated blank have been developed for aluminum alloy sheets. In this study, we combined both the methods and investigated the limit of drawing ratio of tailor heat treated blanks in a hydro-mechanical forming process. Tailor heat treated blanks of A6061-T6 sheets were produced by the local solution treatment which was conducted by heat transfer from metal plates heated to a high temperature. Hydro-mechanical deep drawing tests were performed using a cylindrical punch. The limit of drawing ratio of tailor heat treated blanks in a hydro-mechanical forming process was higher than that of simple hydro-mechanical forming and that of simple tailor heat treated blanks.
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Acknowledgments
This work was supported by the AMADA Foundation for metal work technology. This support is gratefully acknowledged.
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© 2021 The Minerals, Metals & Materials Society
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Nishiwaki, T., Sako, R., Tsutamori, H. (2021). Hydro-Mechanical Deep Drawing of Locally Solution-Treated Aluminum Alloy Sheets. In: Daehn, G., Cao, J., Kinsey, B., Tekkaya, E., Vivek, A., Yoshida, Y. (eds) Forming the Future. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-75381-8_226
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DOI: https://doi.org/10.1007/978-3-030-75381-8_226
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