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- Title
THE EFFECT OF Ag PRECIPITATES ON STRENGTH AND DUCTILITY OF CuAgZr ALLOY.
- Authors
Piyawit, Waraporn; Buahombura, Panya
- Abstract
CuAgZr alloy is remarkably well-known for a good compromise between high strength and high electrical conductivity. The strength is mainly contributed by the self-aligned nanosized Ag precipitates on {111} planes in the Cu matrix. In this study, the evolution of Ag precipitates in Cu-7wt%Ag-0.05wt%Zr during thermal processing was characterized to control the alloy microstructures in order to improve the mechanical strength and electrical conductivity. The solution-treated CuAgZr alloy samples were cold rolled with a logarithmic strain of 2.3 and subsequently aged for various times. The X-ray diffraction and electron microscopy techniques indicate the evolution of precipitate size distribution during different thermal routines and clarify that the change of dislocation density has a direct effect on Ag precipitation behavior and distributions. This paper discusses the correlation between the effect of plastic deformation and the evolution of nanoscale Ag precipitates, which provides the strength and electrical conductivity of this alloy.
- Publication
Suranaree Journal of Science & Technology, 2017, Vol 24, Issue 3, p291
- ISSN
0858-849X
- Publication type
Academic Journal