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J. Cent. South Univ. (2020) 27: 2834-2848 DOI: https://doi.org/10.1007/s11771-020-4506-8 Experimental investigation on predicting precursory changes in entropy for dominant frequency of rockburst... to predict rockburst accurately. Based on the fast Fourier transform (FFT) method and the information entropy theory, the evolution model of dominant frequency entropy was established. The AE energy......
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Microstructures and mechanical properties of high strength Mg-Zn-Mn alloy ZHANG Ding-fei(张丁非)1, 2, SHI Guo-liang(石国梁)2, DAI Qing-wei(戴庆伟)2, YUAN Wei(袁 炜)2, DUAN Hong-ling(段红玲)2 1. National... aging that provide more effective nuclei for Mg-Zn strengthening phases during the second step aging. Key words: high strength; Mg-Zn-Mn alloy; microstructures; mechanical properties  ......
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High entropy(Y0.2Yb0.2Lu0.2Eu0.2Er0.2)3Al5O12:A novel high temperature stable thermal barrier materialHeng Chen1,2,Zifan Zhao1,Huimin Xiang1,Fu-Zhi Dai1,Jiachen Liu4,Yanchun Zhou11. Science... of Yb3Al5O12 for thermal barrier applications are relative low thermal expansion coefficient and high thermal conductivity. In order to overcome these obstacles, herein, a new high entropy......
J. Cent. South Univ. (2019) 26: 2404-2417 DOI: https://doi.org/10.1007/s11771-019-4183-7 A method combining refined composite multiscale fuzzy entropy with PSO-SVM for roller bearing fault... GmbH Germany, part of Springer Nature 2019 Abstract: Combining refined composite multiscale fuzzy entropy (RCMFE) and support vector machine (SVM) with particle swarm optimization (PSO) for diagnosing......
of Na doping on structure and magnetic entropy of perovskite La0.7Sr0.3-xNaxMnO3 doped with Na+ QI Shu-yan, MA Cheng-guo, DONG Li-min, HAN Zhi-dong, ZHANG Xian-you (School of Materials..., the maximal magnetic entropy around TC decreases with increasing x values, which can be induced to the tolerance factor decrease, crystal lattice shrink and ferromagnetic coupling decrease. Key......
Temperature Dependent Thermal and Elastic Properties of High Entropy(Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)B2:Molecular Dynamics Simulation by Deep Learning PotentialFu-Zhi Dai,Yinjie Sun,Bo Wen,Huimin Xiang... entropy diborides are new categories of ultra-high temperature ceramics,which are believed promising candidates for applications in hypersonic vehicles.However,knowledge on high temperature thermal......
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High cycle fatigue properties of die-cast magnesium alloy AZ91D-1%MM XU Yu-lei(徐玉磊)1, ZHANG Kui(张 奎)1, LI Xing-gang(李兴刚)1, LEI Jian(雷 健)2, YANG Yuan-sheng(杨院生)3, LUO Tian-jiao(罗... and dimple and it is brittle fracture mode as a whole. Key words: magnesium alloy; die casting; high cycle fatigue; rare earths; fractography  ......