Paper Title:
Research on Preparation of Al-Fe-V-Si Alloy Enhanced by In-Situ TiC Particles
  Abstract

Heat-resistant Al-Fe-V-Si aluminum alloys enhanced by in-situ TiC particles have been prepared by spray forming process with suitable process parameters. Research results show that the microstructure of as-deposited alloy is fine and homogeneous. In-situ TiC particles prevent the unsteady phases from coming into being. On the other hand, the TiC particles increase the volume fraction of heat-resistant phases. So the mechanical properties of the enhanced alloy by in-situ TiC particles are better than that of Al-Fe-V-Si alloy without TiC particles. The hot extrusion temperature is also an important parameter to understand. Under the permission, it is better to extrude the alloy at lower temperature. The tensile strength of the alloy without TiC particles is about 435MPa at room temperature and is about 204MPa at 350°C. However, when the alloy is enhanced by in-situ TiC particles, the strength of alloy is about 482MPa at room temperature and is about 224MPa at 350°C temperature.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
2857-2860
DOI
10.4028/www.scientific.net/MSF.475-479.2857
Citation
B. H. Zhu, Y.'an Zhang, B. Q. Xiong, H. W. Liu, L. K. Shi, "Research on Preparation of Al-Fe-V-Si Alloy Enhanced by In-Situ TiC Particles", Materials Science Forum, Vols. 475-479, pp. 2857-2860, 2005
Online since
January 2005
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