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Abstract
Cu–Ag alloys have much higher strength than that predicted by the usual mixture rule and attract intense attention. Although many researches on their strengthening mechanism were carried out, quantitative analysis of the ultra-strong strengthening effect of Ag precipitates is still a challenge. In this study, Cu, Cu-2 wt.% Ag and Cu-6 wt.% Ag were selected to bring to light the mechanism in remarkable strengthening effect of Ag alloying by relating the mechanical properties and the microstructure of the tested materials. A preliminary quantitative approach is proposed to predict the strength of Cu–Ag alloys with given composition and drawing strain.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was supported by the National Natural Science Foundation of China under [Grant No. 11202183] and [11572281]; the National High Technology Research and Development Program (863) of China under [Grant No. 2011AA11A101], and the Zhejiang Provincial Natural Science Foundation of China under [Grant No. Y4100193].