Microstructural characterization and corrosion analysis of HA/TiO2 and HA/ZrO2 composite coating on Ti- alloy by laser cladding

Kumari, Renu; Kumar, Sumit; Das, Alok Kumar; Murmu, Ananad Mohan; Kanchan, Kumari

doi:10.1016/j.apsadv.2024.100655

Applied Surface Science Advances

2024

DOI: 10.1016/j.apsadv.2024.100655

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Microstructural characterization and corrosion analysis of HA/TiO2 and HA/ZrO2 composite coating on Ti- alloy by laser cladding

Renu Kumari,

Sumit Kumar,

Alok Kumar Das

et al.

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2024

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Mechanism and Performance Characterization of Heat Treatment on Laser-Cladded Ni-WC Coatings

Zhou,

Cui,

Chen

et al. 2024

Coatings

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To enhance the wear resistance of laser-cladded Ni-WC coatings, recrystallization and stress-relief annealing treatments were applied. The effects of different annealing treatments on the friction performance of the coatings were analyzed using XRD, SEM, and a friction wear tester. The results showed that recrystallization annealing refined the grains and transformed the Ni4B3 phase, with the lowest crack rate (10.1%) observed at 800 °C. Stress-relief annealing effectively released residual stress, achieving the lowest crack rate (6.3%) at 500 °C, while promoting the transformation of the Cr7C3 phase and improving coating stability. Furthermore, recrystallization annealing was more suitable for enhancing wear resistance, as the coating treated at 800 °C exhibited a lower friction coefficient (0.46) and the smallest wear volume (0.351 mm3). In contrast, stress-relief annealing was more effective in improving hardness, with the coating treated at 500 °C achieving the highest microhardness (936.54 HV1).

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Mechanism and Performance Characterization of Heat Treatment on Laser-Cladded Ni-WC Coatings

Zhou,

Cui,

Chen

et al. 2024

Coatings

View full text Add to dashboard Cite

show abstract

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Microstructural characterization and corrosion analysis of HA/TiO2 and HA/ZrO2 composite coating on Ti- alloy by laser cladding

Cited by 1 publication

References 35 publications

Mechanism and Performance Characterization of Heat Treatment on Laser-Cladded Ni-WC Coatings

Mechanism and Performance Characterization of Heat Treatment on Laser-Cladded Ni-WC Coatings

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