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J. Cent. South Univ. (2016) 23: 3256-3261 DOI: 10.1007/s11771-016-3391-7 Coupled effects of stress damage and drilling fluid on strength of hard brittle shale WANG Wei(汪伟), DENG Jin-gen(邓金根), YU Bao... University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: During well drilling process, original stress state of hard brittle shale will be changed due to stress redistribution......
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... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2021 Abstract: Extremely hard and abrasive rocks pose great challenges to the past and ongoing TBM projects by increasing cutter......
J. Cent. South Univ. (2021) 28: 527-542 DOI: https://doi.org/10.1007/s11771-021-4619-8 Rockburst prediction in hard rock mines developing bagging and boosting tree-based ensemble techniques WANG... Abstract: Rockburst prediction is of vital significance to the design and construction of underground hard rock mines. A rockburst database consisting of 102 case histories, i.e., 1998-2011 period data......
FLOW STRESS MODEL FOR HARD MACHINING OF AISI H13 WORK TOOL STEEL J. Hua1,H. Yan2,R. Shivpuri1 (1.The Ohio State University, Columbus, OH 43210, USA;2.School of Mechanical-Electrical Engineering, Nanchang University, Nanchang 330029,China) Abstract:An approach is presented to characterize the stress response of workpiece in hard machining,accounted for the effect of the initial workpiece......
Trans. Nonferrous Met. Soc. China 22(2012) 2191-2197 A Cu-based bulk amorphous alloy composite reinforced by carbon nanotube CAI An-hui1, 2, XIONG Xiang2, LIU Yong2, AN Wei-ke1, ZHOU Guo-jun1, LUO... University, Changsha 410083, China Received 26 September 2011; accepted 11 February 2012 Abstract: Bulk Cu50Zr40Ti10 amorphous alloy composites reinforced with carbon nanotube (CNT) were successfully......
DEPOSITION OF TiBN HARD FILMS ON HOT-WORKING-STEEL DIES FOR ALUMINIUM EXTRUSION VIA A DUPLEX PROCESS K.MUller1 (1.Forschungszentrum Stranpressen, TU Berlin, 13355 Berlin, Germany) Abstract:Hot..., not only the surface quality of the extrudedproduct, but also the lifetime of the dies decreases. Deposition of TiBN hard films onthe die bearing could improve the die performance. Treatment should......
Trans. Nonferrous Met. Soc. China 27(2017) 839-847 Sliding wear characteristics of solid lubricant coating on titanium alloy surface modified by laser texturing and ternary hard coatings M. PREM... and surface coating were used to enhance the surface properties of the titanium alloy substrate. Hard and wear resistant coatings such as TiAlN and AlCrN were applied over textured titanium alloy......
A COMBINATORIAL APPROACH TO THE OXIDATION RESISTANCE OF(Ti,Al)N AND Ti-Al-Si-N HARD COATINGS D.Neuschütz1,R.Cremer1 (1.Lehrshl für Theoretische Hüttenkunde, Rheinisch-Westfalische Technische... efficient tool forthe development and optimization of new multicomponent functional materials. Key words:combinatorial chemistry; hard coating; PVD; magnetron sput-tering; [全文内容正在添加中] ......
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......
Influence of intermediate principal stress on failure mechanism of hard rock with a pre-existing circular openingZHANG She-rong(张社荣)1, SUN Bo(孙博)1, 2, WANG Chao(王超)1, YAN Lei(严磊)3, 4(1. State Key... of the magnitude and direction of the intermediate principal stress on failure mechanism of hard rock with a pre-existing circular opening were studied by carrying out true triaxial tests on siltstone......
