109. Magnesium New Rheocasting as an Industrial Process: An Update of Recent Developments

  1. Prof. Dr. K. U. Kainer
  1. Werner Fragner1,
  2. Helmut Kaufmann1,
  3. Helmut Helmberger2 and
  4. Ralph Potzinger2

Published Online: 22 APR 2005

DOI: 10.1002/3527603565.ch109

Magnesium: Proceedings of the 6th International Conference Magnesium Alloys and Their Applications

Magnesium: Proceedings of the 6th International Conference Magnesium Alloys and Their Applications

How to Cite

Fragner, W., Kaufmann, H., Helmberger, H. and Potzinger, R. (2003) Magnesium New Rheocasting as an Industrial Process: An Update of Recent Developments, in Magnesium: Proceedings of the 6th International Conference Magnesium Alloys and Their Applications (ed K. U. Kainer), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527603565.ch109

Editor Information

  1. GKSS-Forschungszentrum, Institut für Werkstoffforschung, Max-Planck-Straße, 21502 Geesthacht, Germany

Author Information

  1. 1

    ARC Leichtmetallkompetenzzentrum Ranshofen GmbH (LKR), Ranshofen, Austria

  2. 2

    TCG Unitech AG, Kirchdorf/Krems, Austria

Publication History

  1. Published Online: 22 APR 2005
  2. Published Print: 27 NOV 2003

ISBN Information

Print ISBN: 9783527309757

Online ISBN: 9783527603565

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Keywords:

  • New Rheocasting (NRC);
  • Mg-NCR;
  • magnesium;
  • semi-solid material (SSM) casting process

Summary

New Rheocasting (NRC) is a semi-solid material (SSM) casting process introduced and patented by UBE Industries Ltd. [1]. It combines the common vertical squeeze casting process with an integrated facility for production of globular material, the slurry maker carousel with one induction heating and various cooling stations. Unlike conventional Thixocasting or Thixomolding, no special precursor material is needed. NRC allows production of Al castings for the automotive industry which demands lightweight high-quality parts with reproducible properties and economic price [2]. One of the requirements of automotive safety parts is high ductility, which can be achieved applying Mg NRC material. However - to the knowledge of the authors - full-scale production of Mg New Rheocastings is not yet realized. The semi-solid processing offers a way to produce thick-walled, pressure-tight, heat-treatable castings with little porosity and reduced susceptibility to heat cracks.

This paper describes the New Rheocasting process and its advantages to other magnesium casting techniques and shows how to optimize the casting parameters of Mg-NRC. In addition, mechanical properties of several magnesium alloys tested are presented.