the National Natural Science Foundation of China (No. 59671051) and by the Natural Science Foundation of Nantong Institute of Technology (No. 200347)
Mo ions extracted from a metal vapor vacuum arc ion source (MEVVA) were implanted into 4Cr5MoV1Si(H13) steel samples with a high implantation dose of 5×1017cm-2 and a pulsed ion beam flux of about 300 μA·cm-2·An o...