electroless Ni-P amorphous structure
Effects of Complexing Agents on the Corrosion Resistance of Electroless Ni- Fe-P Alloys
... for electroless Ni–Fe-P alloy obtained with NHCit as complexing agent can be attributed to the phosphorous increase in the alloy, which facilitate to form amorphous structure and ...
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Effects of Ligands on Electroless Ni-Fe-P thin Films from Sulphate Bath
... by electroless deposition from sulphate ...and structure of Ni-Fe-P thin film were ...the electroless deposition systems made them more polarized, shifted the deposition potential to ...
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Tribological Properties of Ni-P Electroless Coatings on Low- Carbon Steel Substrates Using an Environmentally Friendly Pretreatment
... anchors Ni–P film during the electroless plating process ...the electroless Ni–P coated samples is determined as a function of the substrate pretreatments using SEM, as shown in ...
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Corrosion Behavior of Electroless Ni-P/Ni-B Coating on Magnesium Alloy AZ91D in NaCl Environment
... on Ni-B coatings surface in the NaCl media resulting in gradual accumulation of the B content, the Ni-B coatings is passivation in the initial immersion ...the amorphous structure of ...
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Development of Electroless Ni-P-Al2O3 and Ni-P-TiO2 Composite Coatings from Alkaline Hypophosphite Gluconate Baths and their Properties
... The structure of as-deposited electroless Ni-P is amorphous with high phosphorus ...this amorphous structure is metastable and undergoes a crystalline transition with ...
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Computation and optimisation of electroless Ni Cu P coating using evolutionary algorithms
... in electroless Ni-P coating to minimize friction (Xianguo Hu et ...The P content of the electroless Ni–P deposits increased with the rise of the bath temperature when the ...
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Influence of Ni-Sn-P Electroless Plating on Anticorrosion Performance of CF Steel
... work, Ni-Sn-P electroless plating treatment was performed on surface of Crack Free(CF) steel to improve its corrosion resistance in ...phase structure of CF steel after electroless ...
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Electroless Deposition and Characterization of High Phosphorus Ni-P-Si3N4 Composite Coatings
... the electroless Ni-P deposit can be explained based on the mechanism of formation of these ...the structure becomes ...non-equilibrium amorphous state because of kinetic constraints and ...
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Effect of Tin Addition on the Properties of Electroless Ni P Sn Ternary Deposits
... ordered structure is more stable than the amorphous matrix whose atomic arrangement is disorder, and these stable nanocrystalline phases inhibit movement of some Ni or P atoms in ...
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Susceptibility to Stress Corrosion Cracking and Electrochemical Behavior of Electroless Ni-P /nano-TiO2 Composite Coatings on 70-30 Brass in Fluoride Solutions
... the electroless Ni-P ...the Ni-P coating is a smooth and the structure is dense with very small spherical nodular ...the Ni-P coating, the smooth coating suggests ...
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Corrosion Behaviour of Electroless Deposited Ni–P/BN(h) Composite Coating
... the Ni–P and Ni–P/BN(h) composite coatings are shown in Figure ...of Ni–P coatings is quite smooth with average surface roughness of ...of Ni–P/BN(h) composite ...
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Vol 2, No 8 (2013)
... for Ni-P-SiC coating shows a high resistance to wear line (b) for about 1h followed by a steady decrease with the same rate as for steel sample line ...treated Ni-P-SiC composite ...
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Influence of Phosphorus Concentration in Electroless Plated Ni P Alloy Film on Interfacial Structures and Strength between Sn Ag ( Cu) Solder and Plated Ni P Alloy Film
... plated Ni–P alloy films with various P concentrations and various solder materials have been ...the P concentration in plated Ni–P alloy films and the composition of the ...
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B. Electroless Ni B Bath
... treated Ni-B, nano diamond incorporated composite Ni-B: example 3 and example 5 films are ...the Ni-B deposits formed the surface of the coating nodular (semi-hemispherical) structure as seen ...
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Morphology and Corrosion Study of Electroless Ni-P Coatings on Commercial Aluminium Alloy
... requirement. Electroless nickel plating can be used in the as-deposited condition or may be hardened, depending on the intended service ...of electroless nickel plating to the base metal depends on the ...
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Electrochemical Polarization Behaviour of Electroless Ni-P Deposits with Different Chromium-Free Pre-Treatment on Magnesium Alloy
... The XPS was used to analyze the component of the conversion coatings prior to electroless NiP deposits.The spectra of the different chromium-free pre-treated samples were shown in Figs. 2-4, respectively. XPS ...
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Deposition Process and Properties of Electroless Ni P Al2O3 Composite Coatings on Magnesium Alloy
... the straight-line section of the anodic and cathodic Tafel lines. The experiment sweeping rate was 5 mV/s and was performed at 25 °C. The micro-hardnesses of the magnesium alloy with various composite coatings were ...
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Preparation and Corrosion Resistance of Electroless Ni-P Coating on Open-Cell Aluminum Foams
... The electroless Ni-P coatings were deposited on open-cell aluminum foams substrate by using hypophosphite as a reducing ...agent. Ni-strike was developed as a pre-treatment for ...
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Studying Mechanical Properties of Ni-P-B4C-PTFE Hybrid Coatings by Electroless Method
... In Electroless coating, external current source is not used and deposition is the result of metal ion recovery to metal atoms in the presence of reducing ...agents. Electroless coating has found special ...
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Electroless Ni P deposition plus nickel prosperous coating on AZ91D magnesium alloy
... of electroless Ni-P is typically now not very ...of amorphous or nanocrystalline ...the Ni-P coating on magnesium ...of Ni- P ...
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