Comparison microstructure and sliding wear properties of nickel–cobalt/CNT composite coatings by DC, PC and PRC current electrodeposition

Karslıoğlu, Ramazan; Akbulut, Hatem

doi:10.1016/j.apsusc.2015.06.161

Cited by 91 publications

(32 citation statements)

References 31 publications

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“…Also, the smallest grain size was obtained by PRC method. The similar results were reported in Ni-Co alloy coatings by Karslioglu et al [29]. Also, there is no peak associated with B or Ni-B; it refers that boron atoms were finely deposited in the crystalline lattice of Ni.…”

Section: Hardness Wear and Corrosion Testssupporting

confidence: 88%

“…The wear products which are thought Ni and B essentially were oxidized on the Ni-B film surfaces with sliding against Al 2 O 3 ball. As reported earlier by Karslioglu et al [29], the formation of metal oxides and an increase in the contact temperature has been a result of repeated reciprocating sliding. Owing to fatigue mechanisms, micro-cracks occur in these metal oxides.…”

Section: Resultssupporting

confidence: 58%

“…The microhardness of DC in Ni-B alloy coating showed 882 HV and increased to 927.2 HV with PRC method and to 963.2 with PC method. Since the crystallographic grain growth orientation and the thinner grain size changed, such a result came about [29]. The increase of microhardness by the PC and PRC is significantly high.…”

Section: Resultsmentioning

confidence: 99%

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Influence of current type on tribological and corrosion properties of nickel boron coatings produced by electrodeposition

Barut¹,

Karslıoğlu²

2020

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In the present work, Ni-B alloys were successfully coated on the low carbon steel substrate from a modified watt type bath with direct current, pulse current and pulse reverse current. Effects of current type on microstructure and surface morphology were characterized via scanning electron microscopy. Crystallographic orientation, lattice distortion and grain size changing with different current type were investigated with X-ray diffraction. High lattice distortion and lower grain size performed with pulse current and pulse reverse current type respectively. Mechanical studies imply that pulse current type provides the highest microhardness values. Tribological properties of alloys carried out reciprocating sliding wear tests. Reciprocating sliding wear tests evidenced that the alloy coatings deposited by using pulse current and pulse reverse current demonstrated substantial advancement in mechanical properties and wear resistance because of the current type. Pulse current and pulse reverse current provide higher wear resistance when compared with plating produced via direct current. According to the corrosion test results, the highest corrosion resistance was obtained by direct current, and the lowest corrosion resistance was obtained by pulse reverse current. The result is that the grain size is the main factor for corrosion resistance. K e y w o r d s : electrodeposition, current type, nickel boron, wear, corrosion

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Section: Hardness Wear and Corrosion Testssupporting

confidence: 88%

Section: Resultssupporting

confidence: 58%

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Influence of current type on tribological and corrosion properties of nickel boron coatings produced by electrodeposition

Barut¹,

Karslıoğlu²

2020

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“…Metal matrix composites (MMCs) have attracted much attention from investigators for their superior mechanical properties . The composites with special functions can be designed by controlling volume fraction, shape, size, and distribution of reinforcing phases .…”

Section: Introductionmentioning

confidence: 99%

Production and Anisotropic Tensile Properties of Stainless Steel Wire Mesh/ZA8 Alloy Composites Produced by Squeeze Casting

Yao

Zhou

Chen

et al. 2020

steel research int.

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Novel stainless steel/zinc alloy composites are produced by infiltrating ZA8 zinc alloy into rolled 304 stainless steel wire mesh preforms via squeeze casting. Microstructural characteristics of the composite are observed, and the uniaxial tensile properties at different temperatures are investigated. The tensile properties of the composites of sintered preforms are compared with those of the composites of unsintered preforms. The results indicate that the microstructures and tensile behavior of the composites exhibit anisotropy. The tensile strength of the composite in the longitudinal direction is higher than that in the radial direction and increases with increasing wire fraction. The tensile strength and elongation at the maximum stress of the composite are lower than those of the unreinforced ZA8 alloy tested at room temperature. At an elevated temperature, the tensile strength of the alloy is improved but ductility decreases after adding wire mesh with wire fraction more than a certain value. The strength and elastic modulus of the alloy and composites sharply decrease with an increase in testing temperatures. The tensile strength of the composite decreases after sintering preforms. The fracture surface of the composite shows anisotropy in different directions and different morphologies at different temperatures.

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“…It was reported that alloy coatings deposited by PRC method exhibits higher corrosion resistance and wear resistance than that deposited by PC methods. [8][9][10][11][12] The PRC mode contains two electrode reaction processes in a period, one is a cathode process, which is similar to that of PC mode; the other is an anode process, which not only inhibited the growth of grains, but also dissolved the unsteady phases. In the process of electrodeposition, a regular cathode and anode process are a best way to modify the composition and microstructures, and then improve the properties of alloy coatings.…”

Section: Introductionmentioning

confidence: 99%

Wear and corrosion resistance of Co–P coatings: the effects of current modes

Hou

Dong

et al. 2018

RSC Adv.

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Comparison microstructure and sliding wear properties of nickel–cobalt/CNT composite coatings by DC, PC and PRC current electrodeposition

Cited by 91 publications

References 31 publications

Influence of current type on tribological and corrosion properties of nickel boron coatings produced by electrodeposition

Influence of current type on tribological and corrosion properties of nickel boron coatings produced by electrodeposition

Production and Anisotropic Tensile Properties of Stainless Steel Wire Mesh/ZA8 Alloy Composites Produced by Squeeze Casting

Wear and corrosion resistance of Co–P coatings: the effects of current modes

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