Microstructure and wear properties of atmospheric plasma-sprayed Cr3C2-NiCr composite coatings

Dzhurinskiy, D.; Babu, Abhishek; Pathak, Piyush; Елькин, Алексей Вячеславович; Dautov, S. S.; Shornikov, P.

doi:10.1016/j.surfcoat.2021.127904

Cited by 28 publications

(7 citation statements)

References 72 publications

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“…11,22,31 Except for these external factors, internal factors, like friction components and lubricants, also matter. 33,34 Physical and chemical reactions during braking lead to the formation of the friction film on brake pads. It is a mixture of friction material and its reaction products.…”

Section: Discussionmentioning

confidence: 99%

“…Many factors affect the COF and wear rate including braking speed, braking pressure, and environmental conditions 11,22,31 . Except for these external factors, internal factors, like friction components and lubricants, also matter 33,34 . Physical and chemical reactions during braking lead to the formation of the friction film on brake pads.…”

Section: Discussionmentioning

confidence: 99%

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Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

Wen,

Zhang,

Zhang

et al. 2023

Int J Applied Ceramic Tech

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The current steel brake disk and Cu‐based powder metallurgy brake pad used in high‐speed trains suffer fading coefficient of friction (COF) and excessive wear, resulting in a shorten lifetime and numerous exhausted brake disks. High‐velocity oxygen fuel (HVOF) spray‐prepared coatings have proven their ability to improve COF and decrease wear rate. In this article, Cr3C2‐NiCr coating was sprayed on a steel brake disk, and a series of emergency braking tests under dry and wet conditions were performed on a subscale brake dynamometer, to comprehensively evaluate the braking performance of coated brake disk. The results showed that the coated brake disk exhibits a higher COF at 380 km/h, which effectively inhibits the COF fade compared to the steel brake disk case. The coated brake system also achieves a lower wear rate of the brake pad at 380 km/h, showing the desired high COF and low wear rate properties of the braking system. Additionally, the coated brake disk maintained surface integrity even after severe braking tests, highlighting its potential in the braking system. Based on the characterizations of wear debris and brake pads, a harder and thinner oxide friction film plays a crucial role in achieving the excellent braking performance in coated brake disk cases.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

Wen,

Zhang,

Zhang

et al. 2023

Int J Applied Ceramic Tech

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“…The deposition quality of the coating is remarkable, exhibiting an exceptional phase distribution with high consistency and cohesion across the successive layers. In Figure 3b, the presence of bright spots suggests the existence of some porosity within the carbide phase [28][29][30].…”

Section: Microstructure Of the Cr 3 C 2 -Ni 20 Cr Coatingmentioning

confidence: 98%

CoCrFeMnNi0.8V/Cr3C2-Ni20Cr High-Entropy Alloy Composite Thermal Spray Coating: Comparison with Monolithic CoCrFeMnNi0.8V and Cr3C2-Ni20Cr Coatings

Kiape,

Glava,

Georgatis

et al. 2024

Coatings

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High-entropy alloys (HEAs) are revolutionizing the field of surface engineering, challenging traditional alloy frameworks with their superior mechanical attributes and resistance to corrosion. This investigation delves into the properties of the CoCrFeMnNi0.8V HEAs, both as a standalone material and when blended with Cr3C2-Ni20Cr, to evaluate their efficacy as cutting-edge surface treatments. The addition of vanadium to the CoCrFeMnNi0.8V alloy results in a distinctive microstructure that improves hardness and resistance to abrasion. The incorporation of Cr3C2-Ni20Cr particles enhances the alloy’s toughness and longevity. Employing high-velocity oxy-fuel (HVOF) thermal spray methods, these coatings are deposited onto steel substrates and undergo detailed evaluations of their microstructural characteristics, abrasion, and corrosion resistance. Findings reveal the CoCrFeMnNi0.8V coating’s exceptional ability to withstand corrosion, especially in environments rich in chlorides. The hybrid coating benefits from the combination of the HEA’s inherent corrosion resistance and the enhanced wear and corrosion resistance provided by Cr3C2-Ni20Cr, delivering comprehensive performance for high-stress applications. Through the fine-tuning of the application process, the Cr3C2-Ni20Cr reinforced high-entropy alloy coating emerges as a significant advancement in protective surface technology, particularly for use in marine and corrosive settings. This study not only highlights the adaptability of HEAs in surface engineering but also prompts further investigation into innovative material pairings.

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“…The advancements in plasma spray coating technology have made it possible to meet contemporary engineering requirements. Compositecoated plasma spray coatings can achieve the required coating density with less porosity [6][7][8]. The plasma spray coating makes the microstructure harder with smaller grains.…”

Section: Introductionmentioning

confidence: 99%

Surface morphology studies and corrosion behaviour of plasma sprayed Cr₃C₂/8YSZ composite coating on SS316

Maharajan¹,

F²,

Ravindran³

et al. 2023

Surf. Topogr.: Metrol. Prop.

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Austenitic Stainless Steel (SS316) is a commonly used material in marine and offshore locations. The components' surface in such environments degrades due to chloride and moisture exposure. Hence, adding a ceramic coating to the surface enhances its functionality. In the present work, Cr3C2 and 8YSZ powders are mixed in an equal ratio to deposit unique composite coated layers on the SS316 substrate by plasma spray coating method. The performance of the composite coating is also compared to that of uncoated, Cr3C2-coated, and 8YSZ-coated substrates. The surface morphology and cross-sectional microstructures of the coated SS316 substrate are examined using scanning electron microscope (SEM) images and The presence of chemical elements in the coatings is determined using Energy Dispersive X-ray Analysis (EDAX) with elemental mapping. Further, the corrosion resistance of the substrate is evaluated using potentiodynamic polarisation and Electrochemical Impedance Spectroscopy (EIS) methods. The results shows that the composite coating has a decreased porosity of 1.33 % area and a higher microhardness of 880.02HV compared to bare and other coated surfaces. The corrosion analysis reveals that the composite coating has a decreased corrosion current density (Icorr) of 3.233×10-6 mA/cm2 and an enhanced charge transfer resistance of 2396.23 ohms.cm2 due to strong passivation and restricted electrolyte penetration into the coating. Further, the electrochemical corrosion study reveals that the composite coating exhibits the lowest corrosion rate of 0.00004306 mm/year.

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Microstructure and wear properties of atmospheric plasma-sprayed Cr3C2-NiCr composite coatings

Cited by 28 publications

References 72 publications

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

CoCrFeMnNi0.8V/Cr3C2-Ni20Cr High-Entropy Alloy Composite Thermal Spray Coating: Comparison with Monolithic CoCrFeMnNi0.8V and Cr3C2-Ni20Cr Coatings

Surface morphology studies and corrosion behaviour of plasma sprayed Cr₃C₂/8YSZ composite coating on SS316

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Microstructure and wear properties of atmospheric plasma-sprayed Cr3C2-NiCr composite coatings

Cited by 28 publications

References 72 publications

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr3C2‐NiCr‐coated brake disk

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr3C2‐NiCr‐coated brake disk

CoCrFeMnNi0.8V/Cr3C2-Ni20Cr High-Entropy Alloy Composite Thermal Spray Coating: Comparison with Monolithic CoCrFeMnNi0.8V and Cr3C2-Ni20Cr Coatings

Surface morphology studies and corrosion behaviour of plasma sprayed Cr3C2/8YSZ composite coating on SS316

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Product

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Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

Simultaneous enhancement of friction and wear resistance for high‐speed braking system with Cr₃C₂‐NiCr‐coated brake disk

Surface morphology studies and corrosion behaviour of plasma sprayed Cr₃C₂/8YSZ composite coating on SS316