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; electroless nickel plating; vacuum brazing; interface structure; shear strength ..., Ying Piao-piao. Electroless nickel plating on Al2O3 ceramics and it’s bonding in low temperature[J]. Transactions of the China Welding Institution, 2007, 28(1): 69?72. [9] 王实敏, 邹贵生, 张海波, 白海林, 吴爱萍......
-Fe-B磁体；化学镀；Ni-P镀层；结合力 中图分类号:TG 174.45 文献标识码:A Improved adhesion of electroless Ni-P coatings on sintered Nd-Fe-B magnets by pre-plating in ultrasonic field WU Yuan...: The effects of pre-plating in ultrasonic field on the adhesion of electroless Ni-P coatings to sintered Nd-Fe-B magnets were investigated. The adhesion of Ni-P coatings to magnets with different ultrasonic......
, respectively. The electroless plating bath composition was 25 g/L NiSO4·6H2O, 0.34 g/L Na2MoO4·2H2O, 20 g/L NaH2PO2·H2O, 25 g/L Na3C6H5O7·2H2O, 2.1 g/L acetic acid, 0.004 g/L NH4F, and 0.008 g/L sodium... of Electronic Materials, 2012, 41(1): 138-143. [4] LUO Hong-jie, SONG Bin-na, LIU Yi-han, YAO Guang-chun. Electroless Ni-P plating on Mg-Li alloy by two-step method [J]. Transactions of Nonferrous Metals Society......
of magnesium during plating process, and reduce the potential difference between the matrix and the second phase. Thus, an electroless Ni-P coating with fine crystalline and dense structure was obtained.... Traditionally, the magnesium alloy was etched in a solution of chromium oxide plus nitric acid and soaked in HF solution to form a conversion film (MgF) before electroless plating. Due to high toxicity......
; 文献标志码:A Chemical conversion treatment and electroless plating Ni-P on as-cast Zr-Al alloy GUO Dong1, 2, XIAO Fu-ren1, LI Qiang1, LI Jian-hui1, 2, MA Jing2, MAO Lei2 (1. College...) Abstract: The electroless nickel-plating on as-cast Zr-Al alloy was studied. After degreasing, pickling, chemical conversion treatment, Ni-P coating on Zr-Al alloy was plated from the electroless......
. The results indicate that it is possible to prepare electroless Ni-P/Ni-W-P duplex coatings by sequential immersion in two different plating baths. After laser crystallization, the microstructures... protection, which provides the possibility for application of industrialized production. Key words: electroless plating; Ni-P/Ni-W-P duplex coating; laser treatment; adhesive wear; nanocrystallization 1......
, an adverse effect of pores in ceramic coating on magnesium alloy is the low corrosion protection. In order to improve corrosion protection, a novel process of electroless Ni-P plating with plasma... paper up to 1 000 grits. The procedure of the processes was as follows: PEO, activation, electroless copper plating and BTA passivation. Finally, the specimens was rinsed thoroughly with water......
of Sciences, Shenyang 110016, China) Abstract: Traditional process of electroless Ni-P plating on AZ91D magnesium alloy was improved, and the poisonous substances of hydrofluoric acid and Cr6+ were... nanometer particles. Key words: AZ91D magnesium alloy; Ni-P-ZrO2 coating; electroless composite plating; corrosion resistance; wear resistance 镁合金是密度最小的工业用金属, 具有许多优异的物理和力学性能[1], 在航空, 航天, 汽车......
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......
of surface modifications have been employed. The micro- encapsulation of the alloys powder with an electroless plating of copper or nickel has been confirmed to be effective in improving... evaporation plating technology, and the effect of the electrode on the performance of MH/Ni batteries was examined. It is found that the surface modification can enhance the electrode conductivity......
