Microstructure and Properties of Cu-Cr-Zr-Ag Alloy

Abstract:

The Cr precipitation sequence in Cu-Cr-Zr-Ag alloy during the aging process at 450°C could be obtained by Transmission electron microscopy (TEM) and High-resolution transmission microscopy (HRTEM) in the study. The strengthening curve shows a unimodal type and the tensile strength trends to peak when the aged for 4h. The Cr phase transformation of Cu-Cr-Zr-Ag aged at 450°C is supersaturated solid sloution→G.P zones→fcc Cr phase→order fcc Cr phase→bcc Cr phase. The orientation relationship between bcc Cr precipitates and the matrix change from cube-on-cube to NW-OR.

• Periodical: Materials Science Forum (Volume 941)
• Pages: 1613-1617
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.941.1613
• Online since: December 2018
• Authors: Li Jun Peng*, Xu Jun Mi, Hao Feng Xie, Yang Yu, Guo Jie Huang, Zhen Yang, Xue Feng, Xiang Qian Yin
• Keywords: Aging Treatment, Cu-Cr-Zr-Ag Alloy, Diffusion, Microstructure

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