Optimization Studies on Electroless Nickel Coatings: A Review
نویسندگان
چکیده
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منابع مشابه
Pretreatment Effect on the Properties of Electroless Nano - Crystalline Nickel Phosphorous Coating
the influence of mechanical polishing pre-treatments on steel substrates is investigated in terms of microstructure, deposition rate, adhesion, mechanical and corrosion properties of electroless Ni-P nanocoating with 9-10% wt. of P content. XRD analysis of Ni-P coatings demonstrated the nanocrystalline structure of coating with the grain size of 39 nm. Results showed that pretreatment of substr...
متن کاملCharacterisation and Corrosion Performance of MultilayerNano Nickel Coatings on AZ31 Magnesium Alloy
Ni-P and Ni layers multilayer coatings were applied to AZ31 magnesium alloy utilizing electroless and electrodeposition procedures. The aim of the project was to decrease cracks and increase corrosion resistance of the coatings. In order to compare the coatings, the effect of single layer electroless Ni-P coatings with different thicknesses was also investigated. The microstructure and phase co...
متن کاملManufacture of Electroless Nickel/YSZ Composite Coatings
The paper discusses optimising work on a method of processing ceramic / metal composite coatings for various applications and is based on preliminary work on processing anodes for solid oxide fuel cells (SOFCs). The composite coating is manufactured by the electroless co-deposition of nickel and yttria stabilised zirconia (YSZ) simultaneously on to a ceramic substrate. The effect on coating cha...
متن کاملThe Preparation, Characterization, and Influence of Multiple Electroless Nickel-Phosphorus (Ni-P) Composite Coatings on Poplar Veneer
Nickel-Phosphorus (Ni-P) composite coatings were prepared on a poplar veneer surface via a simple electroless nickel (Ni) approach. The substrate deformation, flatness, crystalline structure, and wear resistance of the NiP composite coatings were investigated. The deformation degree of the substrate decreased as the number of deposition steps was increased. The flatness and wear resistance of t...
متن کاملStudying the Effect of the Concentration of PTFE Nanoparticles on the Tribological Behavior of Ni-P-PTFE Composite Coatings
In the past 30 years, electroless nickel (EN) plating has grown to such proportions that these coatings and their applications are now found underground, in outer space, and in a myriad of areas in between. Moreover, in order to further improve the mechanical and tribological properties of the nickel-phosphorous (Ni-P) coatings, Ni-P/PTFE composite coatings can be obtained, which provides even ...
متن کاملEffects of Pretreatment on the Structure and Properties of Electroless Nickel Coatings
m e pretreatment process can significantly affect the corrosion resistance of Electroless Nickel (EN) coatings. One of the most important reasons is that different pretreatment processes can give different surface morphologies of the substrate. The Sanning Electronic Microscope (SEM) and the Scanning Tunneling Microscope (STM) have been used to investigate the structure and properties of EN coa...
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ورودعنوان ژورنال:
- IJMMME
دوره 4 شماره
صفحات -
تاریخ انتشار 2014