Hot ductility improvement of copper-arsenic steel by rare earth cerium Yuyu Liang, Wenbin Xin, Jing Zhang, Qingyang Meng, Yinju Jiang and Yongchun Deng Metall. Res. Technol., 119 5 (2022) 504 Published online: 10 August 2022 DOI: 10.1051/metal/2022067