Of the mechanism governing the growth of electrolessly deposited nickel-phosphorus coatings

Петухов, И. В.

doi:10.1134/s1023193507010053

Cited by 7 publications

(8 citation statements)

References 4 publications

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“…The SEM pictures show larger hemispheres or spheroids that for the coating from Bath‐I revealing amorphous nature. Thus, depending on the concentration of non‐metallic component P, chemically deposited nickel coatings exhibit different microstructure (Petakhov, 2007). To summarize, amorphous structure could not be obtained as no sufficient P atoms are present to distort the nickel lattice to such an extent that amorphous nickel could be obtained with respect to the non‐amorphous deposit obtained from Bath‐II.…”

Section: Discussionmentioning

confidence: 99%

Anti corrosive electroless Ni‐P films for mild steel materials

Venkatesha

Ranganatha

2012

Anti-Corrosion Methods and Materials

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PurposeThe purpose of this paper is to evaluate the corrosion resistance of the electroless Ni‐P coatings in two aggressive media 3.5 wt.% NaCl and Synthetic industrial waste water. Also to study the effect of Phosphorous content in the electroless Ni‐P deposits on its surface nature, morphology and corrosion resistance.Design/methodology/approachThe corrosion behavior of electroless Ni‐P coatings generated on mild steel coupons from an acidic and an alkaline baths and their anti‐corrosion performance of was compared systematically in 3.5 wt.% of NaCl solution and also in synthetic industrial waste water. Microstructure and surface composition of coatings were analyzed using X‐ray diffraction, scanning electron microscopy and energy dispersive spectroscopy techniques, respectively. The Ni‐P coated mild steel specimens were subjected to corrosion and the rate of corrosion was studied by chemical and electrochemical methods. The linear sweep voltammetry, Tafel and electrochemical impedance spectroscopy were employed to obtain corrosion data.FindingsThe electroless Ni‐P coatings with higher P content possess homogeneous, uniform and amorphous surface nature and exhibited higher corrosion resistance in the aggressive corrosive media chosen.Originality/valueThis paper provides corrosion behavior of electroless Ni‐P coatings in 3.5 wt.% NaCl and synthetic industrial waste water, and establishes the importance of phosphorous content on nature and properties of the coatings.

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Section: Discussionmentioning

confidence: 99%

Anti corrosive electroless Ni‐P films for mild steel materials

Venkatesha

Ranganatha

2012

Anti-Corrosion Methods and Materials

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“…The primary purpose of the complexing agents is to reduce the formation of copper to copper hydroxides (Cu(OH) 2 ) during the process. 39–41…”

Section: Experimental Workmentioning

confidence: 99%

“…The primary purpose of the complexing agents is to reduce the formation of copper to copper hydroxides (Cu(OH) 2 ) during the process. [39][40][41] Having completed the plating process, the next step was the post-treatment process. At this stage, copperplated fabric samples were rinsed with distilled water at 40 C for 20 minutes by electric automatic controlled temperature heaters IKA C-MAG HS7 and IKA ETS-D5.…”

Section: Fabrication Of the Conductive Fabricsmentioning

confidence: 99%

Development and characterization of conductive textile (cotton) for wearable electronics and soft robotic applications

Hassan

Kalaoğlu

Atalay

2020

Textile Research Journal

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This study aims to manufacture and characterize various types of conductive cotton fabrics through the copper metal coating approach. Thus, we selected nine-combed cotton knitted fabrics with different yarn fineness and elastane percentage in order to see the effect of these parameters on conductivity and physical properties of the samples. We also explored the surface morphology of all the knitted cotton fabric samples before and after the coating method via scanning electron microscopy (SEM), which showed a remarkably uniform deposition of copper on the fabric surface, and performed SEM-energy-dispersive X-ray spectroscopy to determine the coated material content on the surface of the fabric after the metal coating process. The results revealed that knitted cotton fabric of 5% elastane with the finer yarn count (Ne = 40/1) showed excellent conductivity compared to the other knitted cotton fabric of 10% elastane with a finer count (Ne = 40/1) or coarser 5% elastane (Ne = 30/1). Therefore, the knitted cotton fabrics of 5% elastane having the finer count (Ne = 40/1) can be considered a suitable candidate for e-textile applications.

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“…Electroless or autocatalytic metal deposition is a process in which reduction of metal ions and oxidation of a reducing agent take place simultaneously at a catalytic surface. The mechanisms of electroless plating of Ni-P, Cu, and Ag were systematically discussed [2][3][4]. In the previous study, the properties of electromagnetic shielding of electroless Ni-P [5][6][7], Cu [8][9][10][11][12][13], Ag [14][15][16], Ni-Cu-P, and Cu-Ni-P [17,18] plating on polymer substrates were extensively studied.…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Electroless Ni-P, Cu, Ag, and Cu-Ag Plating on Polyamide Fabrics

Zhang

Lan-ping

Chang

2010

Journal of Industrial Textiles

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Electroless plating of Ni—P, Cu, Ag, and Cu—Ag on polyamide fabric was performed in the laboratory. The coating depositions were characterized by scanning electron microscope (SEM), energy dispersive X-ray spectroscopy, thermal gravimetric analysis, and X-ray diffraction analysis, respectively. The flame retardancy, abrasion resistance, electromagnetic shielding performance, and tensile and bending properties of the plated fabrics were also investigated. It was found that as compared with the original fabric, the onset decomposition temperature of the Ni—P (weight increasing percentage 120%; Cu (120%), Ag (30%), and Cu—Ag (80%)) plated fabrics decreased and the flame retardancy (80%) did not improve. The abrasion resistance decreased in the order of Ni—P-plated > Cu-plated > Cu—Ag-plated > Ag-plated fabric (80%). The surface resistance decreased with the increase of the number of cycles. The electromagnetic interference shielding effectiveness for the unabrased plated fabric was Cu—Ag-plated = Ag-plated > Cu-plated > Ni—P-plated (30%). The breaking load and the tensile strain for the plated fabric (40%) decreased while the bending rigidity increased.

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Of the mechanism governing the growth of electrolessly deposited nickel-phosphorus coatings

Cited by 7 publications

References 4 publications

Anti corrosive electroless Ni‐P films for mild steel materials

Anti corrosive electroless Ni‐P films for mild steel materials

Development and characterization of conductive textile (cotton) for wearable electronics and soft robotic applications

Comparative Study of Electroless Ni-P, Cu, Ag, and Cu-Ag Plating on Polyamide Fabrics

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