Chengdu Aeronautic Polytechnic 1 article published in JoVE Engineering An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature Dong Li1,3, Wenbo Liu1,2, Ning Li1, Zhenyu Zhong1, Jiazhen Yan1, Sanqiang Shi2 1School of Manufacturing Science and Engineering, Sichuan University, 2Department of Mechanical Engineering, Hong Kong Polytechnic University, 3Department of Mechanical and Electrical Engineering, Chengdu Aeronautic Polytechnic Here we present a protocol to obtain a novel Mn-Cu-based alloy with excellent comprehensive performances by a high-quality smelting technology and reasonable heat treatment methods.