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Crystal structure and hard magnetic properties of TbCu7-type Sm0.98Fe9.02–xGax nitrides权宁涛,张世荣,于敦波,李扩社,罗阳,靳金玲,张坤,刘宇超,李红卫National Engineering Research Center for Rare Earth Materials, General Research Institute for Nonferrous Metals,Grirem Advanced Materials Co., Ltd.摘 要:The compound Sm0.98Fe9.02–xGaxNδ(x=0, 0.25, 0.5, 0.75, 1) were prepared by melt-spun......
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......
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J. Cent. South Univ. (2016) 23: 898-905 DOI: 10.1007/s11771-016-3137-6 Rheological properties of surrounding rock in deep hard rock tunnels and its reasonable support form WANG Hui(王辉)1, 2, CHEN Wei... geostress, even hard rock masses such as quartzite, igneous rock, and limestone display soft rock rheological properties [1-5]. Unlike research for soft rock, research for hard rock construction......
J. Cent. South Univ. (2020) 27: 891-910 DOI: https://doi.org/10.1007/s11771-020-4339-5 Experimental simulation investigation of influence of depth on spalling characteristics in circular hard rock... as: LUO Yong, GONG Feng-qiang, LI Xi-bing, WANG Shan-yong. Experimental simulation investigation of influence of depth on spalling characteristics in circular hard rock tunnel [J]. Journal of Central......
Bai-qing(熊柏青)1, HU Chun-li(胡春利)2 1. State Key Laboratory for Fabrication and Processing of Non-ferrous Metals, Beijing General Research Institute for Non-ferrous Metals, Beijing 100088, China; 2...> Abstract: The experiments of heat treatment, hot extrusion and hard drawing were employed to study their effects on the structure and mechanical properties......
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......
. REFERENCES [1] ROY M, HAUBNER R. Tribology of hard coatings[J]. International Journal of Refractory Metals and Hard Materials, 2010, 28(1): 1-2. [2] FRANZ R, MITTERER C. Vanadium containing self... 中图分类号:TH117.1 文献标志码:A Research progress of high-temperature tribological properties of silver-containing hard coatings HE Peng-fei, WANG Hai-dou, MA Guo-zheng, YONG Qing......
Solidification crack susceptibility of aluminum alloy weld metals LIU Ren-pei(刘仁培)1, DONG Zu-jue(董祖珏)2, PAN Yong-ming(潘永明)2 1. College of Materials Science and Technology, Nanjing University...(a) that the criterion of CST to solidification crack of 5083 Al-Mg alloy[1] increases up to 9.69×10－3(%/℃) with slow bending speed from a mini value that is hard to measured with fast bending speed. 6082 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] ......
