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forces from rock blocks. Cutters today can either incorporate hard, fine grained carbides into the matrix of the disc material or apply a hardened coating of alloy powder on the steel substrate... J. Cent. South Univ. (2021) 28: 454-480 DOI: https://doi.org/10.1007/s11771-021-4615-z TBM tunneling in extremely hard and abrasive rocks:Problems, solutions and assisting methods ZHENG Yan-long(郑彦......
J. Cent. South Univ. (2021) 28: 361-369 DOI: https://doi.org/10.1007/s11771-021-4608-y Green large-scale production of N/O-dual doping hard carbon derived from bagasse as high-performance anodes... Nature 2021 Abstract: Sodium-ion batteries are considered as a promising candidate for lithium-ion batteries due to abundant sodium resources and similar intercalation chemistry. Hard carbon derived......
. As the casting defects disappeared and the grain was refined after hot extruded, the mechanical properties of the alloy were drastically increased. By hard drawing, the ultimate tensile strength and the yield... exhibited ductile rupture features.
Key words: magnesium alloy; heat treatment; hot extrusion; hard drawing; structure; mechanical properties
......GRINDING RESIDUAL STRESS OF CEMENTED CARBIDE
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来源: 《中国有色金属学报(英文版)1993年第1期》——Qian Chongliang Wu Enxi Lu Haibo Chen Ruikuan She Zhenhui Wu Chunhua
J. Cent. South Univ. (2021) 28: 445-453 DOI: https://doi.org/10.1007/s11771-021-4614-0 Experimental investigation on fatigue of blade specimen subjected to resonance and effect of a damping hard..., the experimental results of the fatigue behavior of compressor blade specimen subjected to resonance and the effects of a damping hard coating on relieving the fatigue progress are presented. The crack......
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Shot lining of magnesium alloy with hard powders Y. HARADA1, I. FUKUDA2 1. Graduate School of Engineering, University of Hyogo, Kamigohri Akoh Hyogo 678-1297, Japan; 2. Yatsushiro National... lining, is very suitable for the bonding of thin and dissimilar foils. In the present study, the lining of magnesium alloy with hard powders by the shot peening process was investigated. The hard......
Composition Gradient Hard Coatings by Arc Ion Plating LIN Guo-qiang1,CHEN Jun2,WANG Fu-gang2 (1.State Key Laboratory for Materials Modification, Dalian , China;2.Department of material engineering of Dalian University of Technology, Dalian , China) 摘要:Arc Ion Plating can be used to synthesize multi-component composition gradient hard coatings by adjusting arc currents of metal targets......
Magnetization arrangement of hard magnetic phases and mechanism of magnetization and reversal magnetization of nano-composite magnets LIU Xin-cai(刘新才), XIE Ren(谢 忍), PAN Jing(潘 晶...-axes of the hard magnetic phases (Nd2Fe14B, SmCo5 or Sm2Co17 type) in their designed directions have been studied. In Fe-Pt nano-composite magnets, attempts have been taken to promote phase......