Paper Title:
Effects of Aging Parameters on the Mechanical Properties in Corson Alloy System with High Contents of Ni and Si
  Abstract

The influences of solution treatments, prior cold drawings and aging treatments on mechanical properties in Corson alloy with high contents more than 8.0 mass% of Ni and Si have been investigated. As a result of the optimization of conditions, the maximum hardness and tensile strength reached 306HV and 968MPa, respectively. Effects of temperatures of solution treatment and aging on the mechanical properties were analyzed based on solid solute concentrations in matrix phase, which were estimated by using the linear analysis and calculated from the electrical conductivity. The solute concentrations were also measured directly by SEM-EDS. Consequently, the precipitation hardening of the alloys was governed mainly by the solute concentrations of Ni and Si in matrix phase in solution treatment. The hardness depended on not only the solute concentrations but also the excess of Ni and Si in the alloys.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
2568-2571
DOI
10.4028/www.scientific.net/MSF.654-656.2568
Citation
G. Hagino, H. Eguchi, Y. Takayama, H. Kato, "Effects of Aging Parameters on the Mechanical Properties in Corson Alloy System with High Contents of Ni and Si", Materials Science Forum, Vols. 654-656, pp. 2568-2571, 2010
Online since
June 2010
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