High-temperature wear behaviour of plasma cladded WC/Ni60A composite coating on copper

Zhang, Jun; Hu, Rong; Wang, Ruidong; Bai, Dan; Zhang, Chao; Zhang, Yuwen; Wu, Wenhe; Li, Guangshi; Yang, Yuzhu; Liu, Quanli; Lu, Xionggang

doi:10.1080/02670836.2022.2118790

Materials Science and Technology

2023

DOI: 10.1080/02670836.2022.2118790

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High-temperature wear behaviour of plasma cladded WC/Ni60A composite coating on copper

Jun Zhang

Rong Hu

Ruidong Wang

et al.

Abstract: With the aim of improving the surface properties of copper, WC/Ni60A composite coatings were successfully prepared by plasma cladding. A good metallurgical bonding was formed between composite coating and copper substrate. The large amount of dispersed WC and W2C phases in the coating significantly increased the microhardness (17 times that of the copper substrate). With the rise in temperature, the wear resistance of the coating first increased and then decreased. At 400°C, the coating had the best wear resis… Show more

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Cited by 12 publications

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“…are coefficients[27] By incorporating the functional variables the equation can be modified as equation (…”

mentioning

confidence: 99%

Development of a wear coefficient equation for the A A7075-B4C composite – steel interface

Veduru,

Karthik

et al. 2024

Mater. Res. Express

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In this research, an attempt was made to develop a wear equation for specific wear regimes that differs with temperature, sliding velocity, applied load, and sliding distance. The experimental runs were designed with the L25 Taguchi orthogonal array, and the uniform dispersion of reinforcement was confirmed using a scanning electron microscope. The presence of reinforcement hinders dislocation movement led to an augmentation in the composites’ hardness, while an elevation in temperature resulted in a decline in hardness due to the reduction of Pierls stresses. Owing to the formation of a Mechanical Mixed Layer (MML), the wear rate decreases with addition of volume fraction of B4C particles until 7.5%, beyond this MML break down and wear rate transit from mild to severe due to the direct metal contact. At 50 °C, the wear mode was abrasive and delamination; at 150 °C, it was abrasive plastic deformation; and at 250 °C, it was plastic flow of materials. Grooves, micro pits, micro cracks, ploughing and resolidified material were the distinct feature observed on the worn surface morphology. The modified wear equation was developed by incorporating reinforcement effect, specific wear regimes, temperature-dependent factors, and functional parameters.

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“…are coefficients[27] By incorporating the functional variables the equation can be modified as equation (…”

mentioning

confidence: 99%

Development of a wear coefficient equation for the A A7075-B4C composite – steel interface

Veduru,

Karthik

et al. 2024

Mater. Res. Express

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Friction and Wear Characteristics of Electrodeposited Ni‐Based Metallic Coatings on Cu‐Substrate under High‐Temperature Conditions

Chauhan,

Nadakuduru,

Mundotiya

2024

Adv Eng Mater

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The Ni self‐lubricating coatings on copper substrates are deposited by electrodeposition using an aqueous electrolyte at room temperature. These coatings have the potential to improve the service life of Cu as a structural component in high‐temperature abrasion environments. A combination of low wear rate and coefficient of friction (CoF) is required in the coatings. Herein, friction and wear characteristics of the deposited Ni coatings are done by a ball‐on‐disc tribometer operated in the temperature range of 25–500 °C. The morphology and wear mechanism of tribo/transfer films are investigated using X‐ray diffraction, X‐ray photoelectron spectroscopy, and scanning electron microscopy. The CoF of Ni coating is substantially lower (CoF 0.37) at 500 °C than the Cu‐substrate, which is 0.79 at 25 °C. The Ni‐coating also reveals a low wear rate due to the formation of in situ oxides of Ni and Cu on sliding surfaces at high temperatures.

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Microstructure and wear resistance of in-situ TiC reinforced Stellite 6 coating using PTA cladding

Wang,

Ye,

Cheng

et al. 2023

Journal of Materials Research and Technology

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High-temperature wear behaviour of plasma cladded WC/Ni60A composite coating on copper

Cited by 12 publications

References 20 publications

Development of a wear coefficient equation for the A A7075-B4C composite – steel interface

Development of a wear coefficient equation for the A A7075-B4C composite – steel interface

Friction and Wear Characteristics of Electrodeposited Ni‐Based Metallic Coatings on Cu‐Substrate under High‐Temperature Conditions

Microstructure and wear resistance of in-situ TiC reinforced Stellite 6 coating using PTA cladding

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