Paper Title:
Effect of Applied Stress on Nucleation and Growth of Precipitates in a Cu-Be-Co Alloy
  Abstract

The influence of an external stress on the nucleation and growth of disk-shaped G.P. zones has been investigated for a Cu-1.2wt%Be-0.1wt%Co alloy aged at 220 °C. A compressive stress applied in the [001] direction during aging preferentially accelerates the nucleation and growth of the G.P. zones perpendicular to the [001] axis, whereas a tensile stress does not significantly affect those of G.P. zones. The promotion of the nucleation and growth of the G.P. zones perpendicular to the compressive-stress axis can be well understood through the interaction energy between the applied stress and the misfit strains of G.P. zones. The critical diameter of the disk-shaped G.P. zone nucleus was estimated as about 1.3 nm from evaluation of the interaction energy.

  Info
Periodical
Materials Science Forum (Volumes 654-656)
Main Theme
Edited by
Jian-Feng Nie and Allan Morton
Pages
922-925
DOI
10.4028/www.scientific.net/MSF.654-656.922
Citation
R. Monzen, T. Terazawa, C. Watanabe, "Effect of Applied Stress on Nucleation and Growth of Precipitates in a Cu-Be-Co Alloy", Materials Science Forum, Vols. 654-656, pp. 922-925, 2010
Online since
June 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Wun Chet Davy Cheong, W.Z. Zhuang, Liang Chi Zhang
871
Authors: Chang Liang Li, Hua Ding, Yong Qing Zhao, Lian Zhou
Abstract:Superplastic forming provides a good way for Ti alloys which are usually difficult to be deformed. Ti75 alloy with a nominal composition of...
2969
Authors: Wiktor Wcislik
Abstract:The study presents the numerical simulation of the void nucleation process due to decohesion of the interface between the matrix and...
244
Authors: Qing Yan Xu, Rui Chen, Yu Feng Shi, Bai Cheng Liu
Chapter 2: Numerical Simulation, Calculation and Design in Materials Science
Abstract:In the present investigation, a physically based numerical model was developed to predict the yield stress of Al-7Si-Mg cast alloy during...
409