Cryogenic-drawn Cu wires

σ·δ·EC gain

Unlike conventional drawing that relies on dislocation slip, cryogenic high-speed drawing introduces nanotwins, simultaneously enhancing strength, ductility, and conductivity, with systematic insights into deformation mechanisms.

Zhonghan, Jiang · Liu, Yahui · Zhao, Lei · Zhang, Guoshang · Zhang, Mengna · Zhenfang, Shen · Zhu, Qianqian · Feng, Cunli · Zhang, Zaoli · Song, Kexing

Journal of Alloys and Compounds 2026

Specifications

vs MPa RT

{'zh': '0.190', 'en': '+4.57'} %

伸长率从

{'zh': '0.778', 'en': ''} %

导电率保持

{'zh': '95.84', 'en': ''} %

Advantages

Cryogenic high-speed drawing shifts deformation mechanism from dislocation slip to slip-twinning, forming stable nanotwins