Wear resistance of Ni-Co/SiC composite coating by jet electrodeposition in the presence of magnetic field

Jiang, Wei; Shen, Lida; Wang, Kai; Wang, Zhanwen; Tian, Zongjun

doi:10.1177/0954405419875353

Cited by 18 publications

(10 citation statements)

References 27 publications

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“…Magnetic fields with varying intensities have been extensively utilized in several manufacturing processes to control and achieve requisite material characteristics. [21][22][23] In this work, the required magnetic field strength was estimated by initially using integral form theoretical formulae which were then confirmed by Finite Element Analysis (FEA) ANSYS Magnetostatic module, as shown in Figures 4 and 5. ANSYS Workbench 2019 Magnetostatic Module was used for analysis of double coil magnetic field fixture.…”

Section: Finite Element Analysis Of Electromagnetmentioning

confidence: 85%

Processing of silicon added Fe-Cr-Co hard magnetic alloy by two stage thermomagnetic treatment technique

Haider

Jaffery

Khan³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part B:

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Fe-Cr-Co is a typical spinodal decomposition type magnetic alloy. FeCrCo alloys being highly workable are important for slender feature designs and ductile applications. However, due to the rising prices of cobalt, research is increasingly being focused toward reducing the amount of cobalt in FeCrCo semi-hard magnetic alloys, without compromising on their magnetic properties. Silicon is ferrite stabilizer and therefore, can be utilized as a potential alloying element. Few researchers have reported work on addition of silicon in FeCrCo alloys, especially on the double isothermal magnetic field annealing. In this work, FeCrCo alloy with 2% silicon addition was produced and subjected to different heat treatments. An electromagnetic setup equipped with a tube furnace was designed based on Finite Element Method (FEM) analysis, and developed for thermomagnetic treatments. An increase in remanence for double thermomagnetic treatment was noted. This improvement could be attributed to the transformation of retained α phase into α1 phase. It was also observed that the squareness of the M-H curve improved with the double treatment.

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Section: Finite Element Analysis Of Electromagnetmentioning

confidence: 85%

Processing of silicon added Fe-Cr-Co hard magnetic alloy by two stage thermomagnetic treatment technique

Haider

Jaffery

Khan³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part B:

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“…With the addition of the SiC particles, the coating cross-section was more compact, the adhesion was increasingly complete and tight, and the coating thickness was increased to 19.0 ± 1.10 µm. This is because the SiC particles refined the microstructure of the Ni-P coating and promoted its growth [31]. Figure 5d shows the section morphology of the Ni-P-SiC coating pretreated by sandblasting.…”

Section: Section Morphology and Element Analysismentioning

confidence: 97%

“…The increase in the coating thickness extended the element penetration zone to 15.77 ± 0.11 µm. This is because the addition of SiC nanoparticles had a refining effect on the coating, the coating grew more compact in the process of codeposition, making it easier for the coating and the elements in the matrix to penetrate [31]. Figure 6d shows the element scanning results of the Ni-P-SiC coating pretreated by sandblasting.…”

Section: Section Morphology and Element Analysismentioning

confidence: 99%

Influence of Element Penetration Region on Adhesion and Corrosion Performance of Ni-Base Coatings

Shen

Chen

et al. 2020

Coatings

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In this study, Ni–P/Ni–P–SiC coatings were prepared on pretreated 45 steel substrates by scanning electrodeposition. Prior to the electrodeposition, the substrates were subjected to two types of pretreatments: polishing and sandblasting. The 3D morphology of the pretreated substrates was characterized by laser scanning confocal microscopy. The micromorphology and section morphology of the coating surface were characterized by field emission scanning electron microscopy. The section element composition was characterized using an EDS energy spectrum analyzer. The adhesion and corrosion resistance of 15 coatings were analyzed using an automatic scratch tester and CS350 electrochemical workstation. The results showed the presence of an element penetration region between the coating and the substrate. The sandblasting pretreatment and SiC nanoparticle addition helped widen the penetration region of the elements. The Ni–P–SiC coating prepared by scanning electrodeposition on the sandblasted substrate exhibited the thickest penetration region, up to 28.39 µm. A scratch test conducted on this coating showed that it exhibits the best adhesion force, up to 36.5 N. In electrochemical corrosion experiments, its corrosion potential was found to be the highest, reaching −0.30 V, and the corrosion current density was the lowest, reaching 8.45 × 10−7 A·cm−2. The presence of the element penetration region increased the coating adhesion and improved the corrosion resistance.

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“…It features high dimensional precision, ease of reproducing complex structures, and convenience of mass production, 11 and has been widely used as an easy and cost-effective technique. [12][13][14][15][16][17] Numerous researchers have utilized the method to prepare alloy coatings or composite coatings to enhance the performance of desired components. [18][19][20] Cheng demonstrated the mechanical performance of micro Ni-Fe molds produced by electrodeposition is better than those of the counterparts formed by casting or powder metallurgy.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of micro molds by electrodeposition under supergravity field

2022

Proceedings of the Institution of Mechanical Engineers, Part B:

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Nowadays, micro molds have been playing an increasing crucial part in social and industrial fields. As the industry develops, the wear resistance of the micro molds has become more and more important because of its effects on the service life and economic benefit. Improving the hardness of the micro molds was an alternative to enhance its wear resistance, which can be realized by the electrodeposition of Nickel cobalt silicon carbide (Ni–Co/SiC). In this paper, attempts were made to fabricate Ni–Co/SiC micro molds, where supergravity field was introduced to further better the microhardness of the micro molds. The effects of supergravity field on the SiC content, morphology and microhardness of the Ni–Co/SiC micro mold were experimentally investigated. It was demonstrated that under gravity field, grain size is refined, and both the microhardness and morphology were dramatically improved. Finally, Ni–Co/SiC micro-pit molds were successfully obtained using optimized parameters. Production of Ni–Co/SiC micro molds with enhanced microhardness is feasible via electrodeposition under supergravity field.

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Wear resistance of Ni-Co/SiC composite coating by jet electrodeposition in the presence of magnetic field

Cited by 18 publications

References 27 publications

Processing of silicon added Fe-Cr-Co hard magnetic alloy by two stage thermomagnetic treatment technique

Processing of silicon added Fe-Cr-Co hard magnetic alloy by two stage thermomagnetic treatment technique

Influence of Element Penetration Region on Adhesion and Corrosion Performance of Ni-Base Coatings

Fabrication of micro molds by electrodeposition under supergravity field

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