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The Studies of Composite Electroless Plating Process on Sintering Ndfeb Permanent Magnet MENG Yong-qiang1,MA Jing1,HU Jian-wen1,YAN Dong-Qing1,GAO Qing1 (1.School of material, Hebei University of Science and Technology, Shijiazhuang, China) 摘要:A reasonable pre-treatment and an ultrasonic pre-plating Cu film were applied for sintering NdFeB permanent magnet. The samples were then plated......
Physics characteristic of coupling arc of twin-tungsten TIG welding ZHANG Guang-jun(张广军), LENG Xue-song(冷雪松), WU Lin(吴 林) State Key Laboratory of Advanced Welding Production Technology, Harbin... to master this process, the arc physics characteristic was studied. The twin-tungsten coupling arc shape was observed by using CCD camera, and the arc pressure was measured. The results show......
deposited on the steel or cemented carbide substrates by magnetron sputtering, cathodic arc evaporation, and cathodic vacuum arc ion plating [3,7,8,15,16]. Fig. 4 Macrographs of scratch track (a1, b1..., Choi S R, Lee M H, Kim K H. Effects of Si addition on the microstructural evolution and hardness of Ti-Al-Si-N films prepared by the hybrid system of arc ion plating and sputtering techniques [J......
] SONG Gui-hong, LOU Zhuo, LI Feng, CHENG Li-jia. Structure and corrosion properties of Ti/TiN multilayers prepared by arc ion plating [J]. The Chinese Journal of Nonferrous Metals, 2012, 22(2): 509-514...-energy ion implantation [J]. Surface and Coating Technology, 2005, 198(3): 414-419. [11] ARIAS D, DEVIA A, VELEZ J. Study of TiN/ZrN/TiN/ZrN multilayers coatings grown by cathodic arc technique [J......
; Modeling of electrode system for three-phase electric arc furnace WANG Yan(王琰)1, 2, MAO Zhi-zhong(毛志... of three-phase electric arc furnace was developed. This new model can be divided into three submodels in terms of the practical situation. They are the power supply system model the electric arc model......
Effect of Rare Earth Elements on Depositing Rate of Nickel Alloy Brush Plating Coating YANG De-jun1,LIU Jia-jun2,YU Hong-ying1,SUN Dong-bai1,HUANG Jin-bin2,ZHU Bao-liang2 (1.Department of Surface... of four kinds of rare earth elements on the depositing rate of Ni-based alloy brush plating coatings was investigated. The results indicate that all of the selected rare earth elements increase......
膜硬度随流量的增加而单调增大,最大至4500 HK.硬度的增加源于固溶强化及薄膜中纳米晶/非晶复合结构的形成;当TMS流量大于90 mL/min时,薄膜中Si和C含量较多,多余的C以游离态形式存在,且随TMS流量的增加而增多,薄膜硬度下降. 关键词:电弧离子镀; Cr-Si-C-N薄膜; 纳米晶; 显微硬度; cathode arc ion deposition; Cr-Si-C-N film......
: 1235-1239. [6] WAN X S, ZHAO S S, YANG Y, GONG J, SUN C. Effects of nitrogen pressure and pulse bias voltage on the properties of Cr-N coatings deposited by arc ion plating [J]. Surface and Coatings Technology, 2010, 204: 1800-1810. [7] AKSENOV I I, BELOUS V A. Vacuum-arc equipment for ion-plasma deposition of coatings [J]. Problems of Atomic Science and Technology, 2000, 3(5): 156-158. [8] KHOROSHIKH......
One Improved Electroless Composite Plating Technique GU Jian1,Sun Wei-ming1,JIN Jia-shan1,GENG Jun-bao1 (1.Power Eng College, Naval University of Enginnering, Wuhan 430033, China) 摘要:The principium of Ni-PTFE electroless composite plating technique has been discussed and a new technique has been presented with improved compounding formula and optimized work condition, its technique parameters......
Progress of electroplating and electroless plating on magnesium alloy WU Li-ping(伍立坪), ZHAO Jing-jing(赵京京), XIE Yong-ping(谢永平),YANG Zhong-dong(杨中东) School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 23 September 2009; accepted 30 January 2010 Abstract: The current research processes of electroplating and electroless Ni-P alloy plating on magnesium......
