Collaborative Innovation Center of Steel Technology;
University of Science and Technology Beijing;
Beijing 100083;
China;
Chongqing Engineering Technology Research Center for Light Alloy and Processing;
Chongqing Three Gorges University;
Chongqing 404000;
China;
Beijing Advanced Innovation Center for Materials Genome Engineering;
Beijing 100083;
China;
Institute for Advanced Materials and Technology;
University of Science and Technology Beijing;
Beijing 100083;
China;
powder metallurgy; tensile strength; hardness; machine learning; Cu–Al alloy; SMOreg/puk;