Forming of magnesium alloy cup using friction heated punch

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Forming of magnesium alloy cup using friction heated punch

HARADA Yasunori, TAKAHARA Taiki

Abstract. In deep drawing of aluminum and magnesium alloys, it is known that many alloys are difficult to form at room temperature. In particular, many commonly used magnesium alloys are very difficult to form at room temperature. To improve formability, warm processing is used. However, the problem is that the mold requires heating and cooling equipment and its control equipment.　In the present study, we attempted warm deep drawing using frictional heat generation. To heat the punch itself, a frictional heat generation structure was incorporated inside the punch. The materials of the friction heater jig were several kinds of stainless steel and alloy steel tools. The relationship between the heat generation temperature of the frictionally heated punch and the working time was investigated. In addition, the amount of wear due to friction of each jig was investigated. It was found that sufficient working temperatures were obtained in the friction-heated combination of austenitic stainless steel and alloy tool steel. It was also found that good formability of the deep-drawn cup was obtained in warm deep drawing using the prototype friction heated punch.

Keywords
Sheet Forming, Deep Drawing, Drawn Cup, Magnesium Alloy, Friction Heating, Thermal Conductivity, Dissimilar Materials

Published online 9/15/2024, 10 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: HARADA Yasunori, TAKAHARA Taiki, Forming of magnesium alloy cup using friction heated punch, Materials Research Proceedings, Vol. 44, pp 340-349, 2024

DOI: https://doi.org/10.21741/9781644903254-36

The article was published as article 36 of the book Metal Forming 2024

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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