Paper Title:
Effect of Heat Treatment on Microstructure, Tensile Properties and Damping Capacity of Mg-Zr Wrought Alloy
  Abstract

Microstructures, tensile properties, and damping capacity of the hot-rolled and annealed K1A (Mg-0.7%Zr) wrought alloy were investigated in comparison with those of a commercial AZ31 (Mg-3%Al-1%Zn-0.2%Mn) wrought alloy. The K1A alloy in hot-rolled state shows 116 and 183MPa of tensile yield strength (σYS) and ultimate tensile strength (σUTS), respectively, which are significantly higher than those (40 and 130MPa) of the K1A casting alloy. The hot-rolled K1A alloy exhibits 10.4% of specific damping index (SDI) and subsequent annealing treatment remarkably enhances its SDI up to 19.7% without sacrificing the tensile strength. Although the annealed AZ31 alloy has 3.9% of low SDI, its tensile properties are still higher than those of the K1A alloy.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
210-213
DOI
10.4028/www.scientific.net/MSF.510-511.210
Citation
J. H. Jun, G. H. Lee, J. M. Kim, K. T. Kim, W. J. Jung, "Effect of Heat Treatment on Microstructure, Tensile Properties and Damping Capacity of Mg-Zr Wrought Alloy", Materials Science Forum, Vols. 510-511, pp. 210-213, 2006
Online since
March 2006
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$32.00
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