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the gradient composite coating was prepared. The morphology of the composite coatings was flatter and the microstructure was denser than that of pure Ni-Co coatings. The composite coatings were prepared...Influence of current density on nano-Al2O3/Ni+Co bionic gradient composite coatings by electrodepositionYan Liu1),Luquan Ren1),Sirong Yu2),and Zhuwu Han1) 1) The Key Laboratory of the Ministry......
in neutral bath (PH=7) for 40min and in acidic bath (PH=4.8~5.1) for 2h. A composite electroless plating with different phosphor content was obtained. The results show that the composite plating coatings...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......
Wear and corrosion properties of laser cladded Cu47Ti34Zr11Ni8/SiC amorphous composite coatings on AZ91D magnesium alloy HUANG Kai-jin(黄开金)1, 2, 3, 4, YAN Li(闫 里)1,WANG Cun-shan(王存山)3...; Abstract: To improve the wear and corrosion properties of AZ91D magnesium alloys, Cu-based amorphous composite coatings were fabricated on AZ91D magnesium alloy by laser cladding using......
of anodic spark deposition [J]. Ceramic Bulletin, 1997, 56(6): 563-566. [4]Wirtz G P, Brown S D, Kriven W M. Ceramic coatings by anodic spark deposition [J]. Materials & Manufacturing Processes, 1991, 6... Soc China, 2001, 11(Special 2): 310-314. [14]Rama Krishna L, Somaraju K R C, Sundararajan G. The tribological performance of ultra-hard ceramic composite coatings obtained through microarc oxidation......
Study on the Structures and Properties of Ni-W-B-CeO2 Composite Coatings Prepared by Pulse Electrodeposition徐瑞东,王军丽,郭忠诚,王华摘 要:The aim of this research... and microstructures, and the influence of heat treatment temperature on phase structures, microhardness and abrasivity of Ni-W-B-CeO2 composite coatings were investigated. The results indicated......
Microstructure and mechanical properties of twin-wire arc sprayed Ni-Al composite coatings on 6061-T6 aluminum alloy sheetJi-xiao Wang1,2,Jing-shun Liu3,Lun-yong Zhang4,Jian-fei Sun1,Zhi-ping Wang51... University of China摘 要:We have systematically studied the microstructure and mechanical properties of Ni-5wt%Al and Ni-20wt%Al composite coatings fabricated......
Ni-P-Nanodiamond composite electroless platingYongwei ZHU*,Yongjun CHEN and Changhong ZHU College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing... in electrolyte and rotational speed of the stirrer on the deposition rate of coatings,the nanodiamond content in coatings,the microstructure and the micro-hardness of coatings were studied.A self-made pin......
currents. The microstructure and wear resistance of the composite coatings were characterized by scanning electron microscope (SEM), energy dispersive X-ray analysis (EDAX), X-ray diffraction (XRD...Effect of electromagnetic stirring on the microstructure and wear behavior of iron-based composite coatingsJiangbo Cheng1,2), Binshi Xu2), Xiubing Liang2), Yixiong Wu1), and Zhengjun Liu3) 1) School......
particles with electroless Ni-P coating [J]. Mater Chem Phys, 2002, 76(1): 38-45. [9] GAO J Q, LIU L, WU Y T, SHEN B , HU W B. Electroless Ni-P-SiC composite coatings with superfine particles [J]. Surface... coatings were prepared and the influence of vacuum heat treatment on its structure and properties was analyzed. The Ni-P-SiC composite coatings were characterized by morphology, structure and micro......
Effect of Rare Earths on Microstructure and Wear Resistance of Electrodeposition Ni-based Metal Composite Coatings陈蓉娜摘 要:Ni/Al2O3 composite coating... of Al2O3 in the coating is uniform, the crystal of matrix Ni are fine and close. Adding RE to plating bath can improve the microstructure and wear resistance of Ni /Al2O3 composite coating.关键词:......