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Electrodeposition behavior of nanocrystalline CoNiFe soft magnetic thin film LI Jing-feng(李劲风)1,2, ZHANG Zhao(张 昭)2, YIN Jun-ying(阴军英)2, YU Geng-hua(俞耿华)2, CAI Chao(蔡 超)3, ZHANG Jian-qing(张鉴清)2... of nanocrystalline CoNiFe soft magnetic thin film with high saturation magnetic flux density (Bs＞2.1 T) and low coercivity (Hc) was investigated using cyclic voltammetry and chronoamperometry methods......
Microstructure transformation of carbon nanofibers during graphitization ZHANG Yong(张 勇)1, TANG Yuan-hong(唐元洪)1, 2, LIN Liang-wu(林良武)1, ZHANG En-lei(张恩磊)1 1. College of Materials Science...: The microstructures of vapor-grown carbon nanofibers(CNFs) before and after graphitization process were analyzed by high resolution transmission electron microscopy(HRTEM), Raman spectroscopy, X-ray diffractometry(XRD......
J. Cent. South Univ. Technol. (2011) 18: 1849-1856 DOI: 10.1007/s11771-011-0913-1 Laccase biosensor using magnetic multiwalled carbon nanotubes and chitosan/silica hybrid membrane modified magnetic carbon paste electrode PANG Ya(庞娅)1, 2, ZENG Guang-ming(曾光明)1, 2, TANG Lin(汤琳)1, 2, ZHANG Yi(章毅)1, 2, LI Zhen(李贞)1, 2, CHEN Li-juan(陈丽娟)1, 2 1. College of Environmental Science and Engineering, Hunan......
Magnetic properties of multi-walled carbon nanotubes encapsulated Fe/Co particles LI Wei-xue(李维学)1, 2, CUI Yong-fu (崔永福) 1, HAO Yuan(郝 远) 2, CHEN Ti-jun(陈体军) 2, DAI Jian-feng (戴剑锋) 1..., Fe/Co particles encapsulated in multi-walled carbon nanotubes (MWCNTs) were prepared by the method of anodic arc discharging plasma. The products were characterized by transmission election......
power density, temperature properties were discussed. 2 Experimental 2.1 Preparation of activated carbon electrode materials When coal tar-pitch (soft point 83 ℃, provided by Wuhan Ferrous...; Preparation and properties of pitch carbon based supercapacitor LIU Ye......
基于Soft DMC圆弧插补器的研究和设计李攀,裴海龙华南理工大学自动化科学与工程学院摘 要:为了满足高速加工的要求,提高加工效率和精度,设计了一种基于软数字运动控制器(soft DMC)的圆弧插补控制器,由于采用全数字化硬件实现,相对于以往纯软件的实现,该控制器具有更好的灵活性,精确性以及处理速度.试验结果表明,该控制器具有良好的性能.关键词:Soft DMC;数字运动控制器;比较积分法;......
J. Cent. South Univ. Technol. (2008) 15(s1): 374-380 DOI: 10.1007/s11771-008-383-2 Rheological characteristics of soft rock structural surface CHEN Yuan-jiang(陈沅江)1, 2, WU Chao(吴 超)1, FU Yi...: There are two mechanisms of the coarse surface asperity resistance effect and rubbing resistance effect in the course of the soft rock structural surface creep, of which the former plays a dominant......
Stability of long trench in soft soils by bentonite-water slurryZHUO Hong-chun(卓弘春)1, YANG Yu-you(杨宇友)1, ZHANG Zi-xin(张子新)2, PAN Chun-hui(潘春晖)2, DUAN Chuang-feng(段创峰)3(1. School of Engineering.... Shanghai Urban Construction (Group) Corporation, Shanghai 200023, China)Abstract:A series of centrifuge model tests exploring the effects of different types of slurry on long-trench stability in soft clay......
45号钢中氧化夹杂物行为研究唐萍1,杨浩1,胡道峰2,张悦2,王端军2(1.重庆市重庆大学材料科学与工程学院2.南京钢铁联合有限公司,江苏南京 210035)摘 要:南钢45号钢的主要问题是铸坯和轧材裂纹率高,轧材易在热墩或热墩后的机加工过程中出现不同程度的开裂.究其原因是由于钢中大量的氧化夹杂物使得其塑性,韧性及疲劳强度降低,加工性能变坏所致.因此,通过控制转炉终点碳含量和出钢过程温度以减少氧化夹杂物生成,增加软吹氩时间以促进夹杂物的上浮和去除,加强保护浇注以防止钢液二次氧化等措施,降低了45号钢中氧化夹杂物......
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