Optimization and erosion wear response of NiCrSiB/WC–Co HVOF coating using Taguchi method

Praveen, Ayyappan Susila; Sarangan, J.; Suresh, S.; Channabasappa, B.H.

doi:10.1016/j.ceramint.2015.09.036

Cited by 79 publications

(29 citation statements)

References 34 publications

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“…Due to these properties, WC-Co coatings are widely used for applications where high mechanical performance and corrosion resistance are required, such as for the turbine blades of hydroelectric power plants, airplane landing gear, diesel engines, and rollers in paper industries [13][14][15]. WC-Co materials can be applied by the high velocity oxy-fuel (HVOF) method as coatings on steel [16][17][18][19][20][21][22][23][24][25][26] and aluminum alloys [7,8], as well as by the high velocity air-fuel (HVAF) method [27], plasma spraying [27][28][29][30], low pressure plasma spraying [27], and in the form of electrospark granules [31]. The resulting materials have been employed for various purposes when high resistance to abrasion, sliding, fretting, and erosion is required, with these properties depending on the density and particle size of the powder, spraying conditions, and the spray technique used [7,12,15,32].…”

Section: Introductionmentioning

confidence: 99%

Corrosion behavior of WC-Co coatings deposited by cold gas spray onto AA 7075-T6

et al. 2018

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This work reports a morphological, mechanical, and corrosion resistance characterization of WC-12Co and WC-25Co coatings deposited by cold gas spray (CGS) onto AA 7075-T6 alloy. Cross-sectional images of the coatings revealed dense structures with low porosities. The coating thicknesses were 65 μm for WC-12Co and 118 μm for WC-25Co. XRD analysis showed that no fragile phases were formed in the coatings. SEM images and electrochemical results obtained after 700 h exposure to NaCl solution showed that WC-25Co exhibited better corrosion resistance performance. The WC-12Co and WC-25Co coatings withstood 1000 and 3000 h of salt fog spray test, respectively.

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Section: Introductionmentioning

confidence: 99%

Corrosion behavior of WC-Co coatings deposited by cold gas spray onto AA 7075-T6

et al. 2018

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“…The microhardness and tensile strength values of TiAlN coatings were comparatively higher than that of the uncoated samples. The increase in hardness for coated samples may be attributed to the work hardening of the AA1050 and AA5083 samples upon the impact of the abrasive and coating particle during grit blasting and high-velocity oxy-fuel spraying [26,27]. The harder the coating the better the mechanical properties due to residual stresses induced during spraying which enhances the binding properties of the coatings with the parent material and thus lesser is its % elongation.…”

Section: Physical and Mechanical Propertiesmentioning

confidence: 99%

Impact of high‐velocity oxy‐fuel sprayed TiAlN surface coating on mechanical and slurry erosion performance of aluminium alloys

Kiragi

Patnaik

Singh

2019

Materialwissenschaft Werkst

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TiAlN coatings were deposited on AA1050 and AA5083 aluminium alloys by high‐velocity oxy‐fuel (HVOF) spray process and evaluated for their mechanical and slurry erosion performance. In comparison to base alloys, the mechanical properties were found to enhance upon coating. The effect of working parameters namely impingement angle, impact velocity, erodent size and erodent feed rate on the slurry erosion wear rate has been investigated. The slurry erosion wear rate of the uncoated samples was found to decrease with an increase in the impingement angle whereas for coated samples the slurry erosion wear rate first increased, reached to a maximum value at 60° and then decreased with further increase in the impingement angle. For uncoated and coated samples the slurry erosion wear rate was found to increase with an increase in impact velocity, erodent size and erodent feed rate. Finally, the morphology of the eroded surfaces was analyzed using scanning electron microscopy and the possible erosion mechanisms have been studied.

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“…The gradual material removal from surfaces may lead, in the worst cases, to the entire replacement of the damaged or degraded component, entailing a considerable replacement expense, which may exceed half of the production cost [2][3][4]. Among the several methods available, surface coating is one of the most effective technologies that has been extensively used for reducing the detrimental effect of SPE and improving components' erosion resistance [5][6][7][8]. Several coating techniques have been studied and adopted to this aim, including cold spray (CS).…”

Section: Introductionmentioning

confidence: 99%

Modeling of Erosion Response of Cold-Sprayed In718-Ni Composite Coating Using Full Factorial Design

et al. 2020

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In this work, the cold-spray technique was used to deposit Inconel 718–nickel (1:1) composite coatings on stainless steel substrate. A general full factorial design was adopted to identify the statistically significant operating variables, i.e., impingement angle, erodent size, and feed rate on the coating erosion response. Erodent feed rate, impingement angle, and the interaction between impingement angle and erodent size were identified as the highly significant variables on the erosion rate. Then, a model correlating the identified variables with the erosion rate was derived. The best combination of control variables for minimum erosion loss with respect to erodent feed rate, erodent size, and impingement angle was 2 mg/min, 60 μm, and 90°, respectively. To analyze the erosion mechanism, the erodent samples were finally observed using Scanning Electron Microscope (SEM).

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Optimization and erosion wear response of NiCrSiB/WC–Co HVOF coating using Taguchi method

Cited by 79 publications

References 34 publications

Corrosion behavior of WC-Co coatings deposited by cold gas spray onto AA 7075-T6

Corrosion behavior of WC-Co coatings deposited by cold gas spray onto AA 7075-T6

Impact of high‐velocity oxy‐fuel sprayed TiAlN surface coating on mechanical and slurry erosion performance of aluminium alloys

Modeling of Erosion Response of Cold-Sprayed In718-Ni Composite Coating Using Full Factorial Design

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