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- W2366621375 abstract "The hardness of traditional pure gold is very low and it restricts the jewelries' artistic value. Cobalt,antimony and scandium were used as the alloying elements in pure gold,and the microstructure and hardening behavior of the Co-Sb-Sc alloying pure gold were studied. The results show that the as-cast hardness of the modified pure gold is 62 HV,after the solution treatment at 700 ℃ for 0. 5 h,the microstructure is a homogeneous single phase and the hardness can reach 51 HV. After the solid solution material is cold worked with80% deformation rate,the hardness can reach 121 HV; and after ageing treatment at 250 ℃ for 6 h,tiny precipitation phases disperse in the matrix,the grain size is obviously finer than that of pure gold,and the hardness can reach 138 HV. The hardening mechanism of the modified pure gold is the comprehensive strengthening effects of solid solution,fine-grain,deformation and precipitation." @default.
- W2366621375 created "2016-06-24" @default.
- W2366621375 creator A5037122713 @default.
- W2366621375 date "2015-01-01" @default.
- W2366621375 modified "2023-09-24" @default.
- W2366621375 title "Hardening behavior of Co-Sb-Sc alloying pure gold" @default.
- W2366621375 hasPublicationYear "2015" @default.
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