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Elastic properties of Cu-6wt\%Ag alloy wires for pulsed magnets investigated by ultrasonic techniques by Li, Ziyu; Gu, Tianyi; Wei, Wenqi; Yuan, Yang; Wang, Zhuo; Luo, Kangjian; Pan, Yupeng; Xie, Jianfeng; Zhang, Shaozhe; Peng, Tao; Liu, Lin; Chen, Qi; Han, Xiaotao; Luo, Yongkang; Li, Liang is a scholarly article available to read on EtoBox.

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Conductor materials with good mechanical performance as well as high electrical- and thermal-conductivities are particularly important to break through the current bottle-neck limit ($\sim 100$ T) of pulsed magnets. Here we perform systematic studies on the elastic properties of the Cu-6wt\%Ag alloy wires, a promising candidate material for the new-generation pulsed magnets, by employing two independent ultrasonic techniques - resonant ultrasound spectroscopy (RUS) and ultrasound pulse-echo experiments. Our RUS measurements manifest that the elastic properties of the Cu-6wt\%Ag alloy wires can be improved by an electroplastic drawing procedure as compared with the conventional cold drawing. We also take this chance to test the availability of our newly-built ultrasound pulse-echo facility at Wuhan National High Magnetic Field Center (WHMFC, China), and the results suggest that the elastic performance of the electroplastically-drawn Cu-6wt\%Ag alloy wire remains excellent without anomalous softening under extreme conditions, e.g., ultra-high magnetic field up to 50 T, nitrogen / helium cryogenic liquids.

Author

Li, Ziyu; Gu, Tianyi; Wei, Wenqi; Yuan, Yang; Wang, Zhuo; Luo, Kangjian; Pan, Yupeng; Xie, Jianfeng; Zhang, Shaozhe; Peng, Tao; Liu, Lin; Chen, Qi; Han, Xiaotao; Luo, Yongkang; Li, Liang

Published

2024

Language

EN