Paper Title:
Interfacial Reaction between Molten Al Alloys and Titanium Matrix Composites
  Abstract

The aim of this study is to investigate the applicability of titanium matrix composites (TMCs) sleeve to Al alloys die-casting. Ti and 1.88 mass% B4C were prepared for the synthesis of 10 vol% (TiC+TiB) hybrid TMCs. In-situ synthesis and net-shape forming of TMCs were carried out in a vacuum induction melting furnace. The synthesized (TiC+TiB) TMCs were examined using scanning electron microscopy, an electron probe micro-analyzer, X-ray diffraction and transmission electron microscopy. The resistance-ability of (TiC+TiB) TMCs to molten Al alloys attack was also examined. Their reactions were carried out in a furnace at 993 K for times varying from 0 to 1200 s. In the case of conventional sleeve material, H13 steel, there were severe interfacial reactions and erosion after 60 s. On the other hand, the resistance of (TiC+TiB) TMCs to interfacial reactions and erosion by molten A380 alloy was significantly increased.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
310-313
DOI
10.4028/www.scientific.net/MSF.510-511.310
Citation
S. Y. Sung, B. J. Choi, S. H. Lee, "Interfacial Reaction between Molten Al Alloys and Titanium Matrix Composites", Materials Science Forum, Vols. 510-511, pp. 310-313, 2006
Online since
March 2006
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Price
$32.00
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