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的显微硬度,其结果与试验值相吻合. 关键词:镁合金；复合材料；搅拌摩擦加工；Ti颗粒 中图分类号:TB 331 文献标识码:A Preparation of Mg-AZ31 based composites with Ti particles by friction stir processing WANG Kai-dong1... fabricated by friction stir processing (FSP). The results show that after four FSP passes the matrix structure of composite layers can be significantly refined within 3?5 μm obviously, and the fragments......
Preparation of ZrO2 spherical nanometer powders by emulsion processing route CHANG Ying(常 鹰), LI Xi-bin(李溪滨) State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China Received 10 April 2006; accepted 25 April 2006 Abstract: ZrO2 precursor powders containing 3% Y2O3 were prepared via a single emulsion processing route and a double emulsion processing......
J. Cent. South Univ. (2016) 23: 1390-1398 DOI: 10.1007/s11771-016-3191-0 Integrated search technique for parameter determination of SVM for speech recognition Teena Mittal1, R. K. Sharma2 1... parameter selection is a vital issue for it. To improve the learning ability of SVM, a method for searching the optimal parameters based on integration of predator prey optimization (PPO) and Hooke-Jeeves......
Hot deformation behavior and processing map of Mg-2Zn-1Al-0.2RE alloyYanxia Niu,Jian Hou,Fangkun Ning,Xingrui Chen,Yonghui Jia,Qichi LeKey Laboratory of Electromagnetic Processing of Materials...℃/0.01 s-1,respectively.According to the proce ssing map,330-400℃/0.001-0.01 s-1was determined as the optimum deformation parameter range.关键词:......
Hot deformation behavior and processing map of Mg-2Zn-1Al-0.2RE alloyYanxia Niu,Jian Hou,Fangkun Ning,Xingrui Chen,Yonghui Jia,Qichi LeKey Laboratory of Electromagnetic Processing of Materials...℃/0.01 s-1,respectively.According to the proce ssing map,330-400℃/0.001-0.01 s-1was determined as the optimum deformation parameter range.关键词:......
Image processing of weld pool and keyhole in Nd:YAG laser welding of stainless steel based on visual sensing GAO Jin-qiang1, QIN Guo-liang1, YANG Jia-lin2, HE Jian-guo2, ZHANG Tao1, WU Chuan-song1 1. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education) Shandong University, Ji’nan 250061, China; 2. Institute of Machinery Manufacturing......
J. Cent. South Univ. Technol. (2011) 18: 1609-1613 DOI: 10.1007/s11771-011-0879-z Inverse synthetic aperture radar imaging based on sparse signal processing ZOU Fei(邹飞)1, LI Xiang(黎湘)1, Roberto... (ISAR) within a small aspect sector, an imaging method was presented with the application of sparse signal processing. This method can form higher resolution inverse synthetic aperture radar images from......
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over 10.3g/cm3 is obtained. Key words: spheroidal cast tungsten carbide; fine feathery structure; processing parameter; flowability CLC number: TF125.3 Document code: A Processing, 2000, 6: 62-65. [4]LI Li-jun, YANG Rui-ling. A study on a new type wear resistant material......
