Mechanically assisted electroplating of Ni–P coatings on carbon steel

Ping, Zhao-xia; He, Yedong; Gu, Chao; Zhang, Tong‐Yi

doi:10.1016/j.surfcoat.2008.06.183

Cited by 30 publications

(13 citation statements)

References 19 publications

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“…Ping, et al has reported that the mechanical ball-rolling makes the Ni-P coating on carbon steel thinner by about 5 µm. 13 Our discoveries are consistent with theirs. Meanwhile, numerous tiny occluded holes can be easily found in the section of blank Ni-P electro coating without MA.…”

Section: Effect Of Ma On Coating Surface Morphologysupporting

confidence: 89%

“…MA can increase the P content in the Ni-P coating, consistent with others' report. 13 The reason for the P content increase in the Ni-P coating via MA is still not clear. When the P content is higher than 8%, Ni-P coatings are usually amorphous.…”

Section: Effect Of Ma On Coating Structurementioning

confidence: 99%

“…12 Mechanical attrition can help to remove oxides and hydroxides film on the substrate and expose the fresh substrate, eliminating the need for traditional pretreatments and having potential advantages. Mechanically assisted electroplating of Ni-P coatings on carbon steel has been successfully conducted by Ping et al 13 However, mechanical attrition enhanced Ni-P coating on magnesium has hardly obtain comprehensive consideration. The main aim of the presented work is to investigate the impact of mechanical attrition as an additional parameter of the electrodeposition process on Mg substrate, which could modify the structure and properties of Ni-P coating.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Mechanical Attrition on Structure and Property of Electroplated Ni-P Coating on Magnesium Alloy

2019

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Mechanical attrition (MA) is applied to assist the electroplating Ni-P coating on a magnesium alloy substrate. The influence of MA on the microstructure and electrochemical performance of the coating was studied with SEM, XRD, electrochemical impedance spectroscopy (EIS) and polarization curves. The results show that under MA, the Ni-P electroplating becomes compact and free of cracks and pores, leading to significant improvement in the coating corrosion resistance. MA promote transformation the coating from amorphous state to crystalline one and produce an obvious transition layer at the coating-substrate interface, which is beneficial to enhancing the coating adhesion strength and other mechanical properties.

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Section: Effect Of Ma On Coating Surface Morphologysupporting

confidence: 89%

Section: Effect Of Ma On Coating Structurementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of Mechanical Attrition on Structure and Property of Electroplated Ni-P Coating on Magnesium Alloy

2019

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“…Under such in-situ mechanical force, the energy barrier for crystallization is greatly reduced. The detailed thermodynamic analysis is reported in a previous publication [35]. The incomplete crystallization and the lack of Ni 3 P phase in asdeposited coating electroless-plated with the mechanical in-situ assistance may indicate that the mobility of Ni and P atoms might not be enhanced too much by the mechanical in-situ treatment.…”

Section: Discussionmentioning

confidence: 82%

Electroless plating of Ni–P coatings on carbon steel in a stirred bed of glass balls

Ping

et al. 2008

J Appl Electrochem

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The electroless plating of Ni-P coatings was carried out in a stirred plating solution containing a bed of glass balls with a fixed stirring rate of 1,800 rpm. The diameters of the glass balls were 2 and 3 mm and the total weight of the balls was *200 g; the weight ratio of the 2 mm to the 3 mm balls was 3:2. The as-deposited Ni-P coating was composed of fine polycrystalline Ni grains and had a smooth appearance. The hardness and corrosion resistance of the novel coatings were considerably improved compared with the conventional electroless (CE)-plated amorphous Ni-P coatings. After heat treatment at 400°C for 1 h, cracks occurred in the CE-plated Ni-P coating, while no cracks appeared in the mechanically assisted electroless (MAE)-plated Ni-P coating. These improved properties of the MAE-plated Ni-P coatings demonstrate the advantages of this novel technique, which may find wide application in industry.

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“…According to Fig.4, it was clear to seen that during electroplating process MA action can lead to enhance the Ecorr of copper plating and decrease the Icorr of copper plating. Zhaoxia Ping [5,6]etc found similar law by studying mechanically assisted electroplating of Ni-P plating on carbon steel. Polarization curves reveal that the Icorr of copper plating first decrease and then increase as the diameter of glass balls increase, and Icorr is smallest when the diameter is 8 mm, as shown in Table.2.…”

Section: Fig1 Schematic Diagram Of Mechanical Assisted Electroplatinmentioning

confidence: 82%

Effect of mechanical attrition on microstructure and property of electroplating of copper plating in acid solution

Feng¹,

Wu²,

Hu³

2015

Advances in Intelligent Systems Research

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Abstract. In this paper, the mechanical attrition(MA) was supplied in a traditional electroplating process by rolling movement of different diameter of glass balls in the acid copper plating electrolyte to study the effects of different diameters of the glass balls on microstructure of copper plating and the properties of carbon-impervious, grain refine and corrosion resistance. The results showed that the grain size of the plating had obviously decreased in the MA process, and with increasing the diameters of the glass balls, the porosity, corrosion resistance and the properties of carbon-impervious of the plating were first increased and then decreased.

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Mechanically assisted electroplating of Ni–P coatings on carbon steel

Cited by 30 publications

References 19 publications

Effect of Mechanical Attrition on Structure and Property of Electroplated Ni-P Coating on Magnesium Alloy

Effect of Mechanical Attrition on Structure and Property of Electroplated Ni-P Coating on Magnesium Alloy

Electroless plating of Ni–P coatings on carbon steel in a stirred bed of glass balls

Effect of mechanical attrition on microstructure and property of electroplating of copper plating in acid solution

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