Chapter 26. Reaction Synthesis of Refractory Metal-Ceramic Composites

  1. Waltraud M. Kriven and
  2. Hua-Tay Lin
  1. Thomas Selchert,
  2. Rolf Janssen and
  3. Nils Claussen

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294826.ch26

27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: B: Ceramic Engineering and Science Proceedings, Volume 24, Issue 4

27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: B: Ceramic Engineering and Science Proceedings, Volume 24, Issue 4

How to Cite

Selchert, T., Janssen, R. and Claussen, N. (2003) Reaction Synthesis of Refractory Metal-Ceramic Composites, in 27th Annual Cocoa Beach Conference on Advanced Ceramics and Composites: B: Ceramic Engineering and Science Proceedings, Volume 24, Issue 4 (eds W. M. Kriven and H.-T. Lin), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294826.ch26

Author Information

  1. Advanced Ceramics Group, Technical University Hamburg-Harburg, Denickestr. 15 - 21073 Hamburg/ Germany

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2003

ISBN Information

Print ISBN: 9780470375846

Online ISBN: 9780470294826

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Keywords:

  • metallurgical;
  • molten aluminum;
  • microstructure;
  • alloys termed;
  • fabricate alumina reinforced

Summary

Refractory metal ceramic composites are formed by a novel synthesis route combining the advantages of powder metallurgical (PM) and pressure casting processing. In particular, porous precursors are formed by PM techniques and subsequently infiltrated by molten aluminum using the well established pressure casting technique. Finally, the infiltrated samples are heat treated in inert atmospheres to perform (i) removal of excess aluminum, (ii) reaction of the ingredients to the product phases, and (iii) formation of the desired microstructure. By this process, Fe-/Ni-/Co-alloys reinforced by alumina are fabricated offering improved mechanical properties.