Paper Title:
A Novel Method for Sheet Formation of Porous Spray Deposited Al-Fe-V-Si Alloy Reinforced with SiC Particles
  Abstract

Processes of rolling after wedge pressing and extruding for multi-layer spray deposited Al-Fe-V-Si/SiCP sheet formation were described in this paper, and the effects of the two different processes on the microstructure and mechanical properties of the composite were investigated. The microstructure of the composite prepared by different processes was observed by OM, SEM, and TEM. The experimental results show that the wedge pressing process can obviously eliminate the pores in the as-deposited preforms and improve the formability effectively. And more uniform microstructure and more excellent mechanical properties of the compositesheets were obtained by rolling after wedge pressing than that by extruding. The excellent mechanical properties can be attributed to avoiding of SiC particles lamination and aggregation which are familiar to the composite as-extruded. Stable microstructure, and good bonding between SiC particles and the matrix improve its mechanical properties further.

  Info
Periodical
Advanced Materials Research (Volumes 199-200)
Edited by
Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim
Pages
1845-1851
DOI
10.4028/www.scientific.net/AMR.199-200.1845
Citation
Y. Q. He, N. Wang, Z. H. Chen, "A Novel Method for Sheet Formation of Porous Spray Deposited Al-Fe-V-Si Alloy Reinforced with SiC Particles", Advanced Materials Research, Vols. 199-200, pp. 1845-1851, 2011
Online since
February 2011
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$32.00
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