School of Materials Science and Engineering;
University of Science and Technology of China;
Hefei 230000;
China;
Shi-Changxu Innovation Center for Advanced Materials;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang 110016;
China;
Zhejiang Handsome Intelligent Remanufacturing Technology Co.Ltd;
jiaxing 314000;
China;
School of Materials Science and Engineering;
Nanchang Hangkong University;
Nanchang 330063;
China;
Laser melting deposition; Alloy steel; Dual-phase microstructure; Mechanical property; Work-hardening rate;