400,000 m without degradation
Continuous cold drawing combined with gradient heterogeneous structures enables ultralong continuous production of single-crystal copper wires with significant strengthening, surpassing conventional processing limits.
Zhonghan, Jiang · Liu, Yahui · Zhang, Guoshang · Zhu, Qianqian · Zhao, Lei · Feng, Cunli · Hu, Hao · Zhang, Zaoli · Song, Kexing
Journal of Alloys and Compounds 2025