Paper Title:
Effect of Various Processing Route on Microstructure and Mechanical Properties of Spray-Deposited Al-8.6Zn-2.6Mg-2.2Cu Alloy
  Abstract

Spray deposition is a novel process which is used to manufacture rapidly solidified bulk and near-net-shape preforms. In this paper, Al-8.6Zn-2.6Mg-2.2Cu alloy was synthesized by the spray atomization and deposition technique. The microstructural development during subsequent hot extrusion, hot rolling and canned forging was investigated by means of scanning electron microscope and X-ray diffraction. The results indicate that the spray-deposited alloy exhibits a uniform microstructure composed of the Al matrix and Mg(ZnCu)2 compounds with various shape. The fragmentation of the Mg(ZnCu)2 phases in the alloy has been regarded as one of the main phenomena during extrusion, rolling and forging. Under T6 temper condition, the hot-extruded Al-Zn-Mg-Cu alloy displays superior strength, and higher than hot-rolled and canned-forged ones.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
1424-1427
DOI
10.4028/www.scientific.net/MSF.654-656.1424
Citation
F. Wang, B. Q. Xiong, Y. G. Zhang, B. H. Zhu, H. W. Liu, Z. H. Li, X. W. Li, "Effect of Various Processing Route on Microstructure and Mechanical Properties of Spray-Deposited Al-8.6Zn-2.6Mg-2.2Cu Alloy", Materials Science Forum, Vols. 654-656, pp. 1424-1427, 2010
Online since
June 2010
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$32.00
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