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Microstructural and tribological properties of laser-treated cold-sprayed titanium/baghdadite deposits

Kumar, Avneesh ; Kant, Ravi ; Singh, Harpreet

Journal of materials research, 2022-08, Vol.37 (16), p.2698-2709 [Periódico revisado por pares]

Cham: Springer International Publishing

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Título:
Microstructural and tribological properties of laser-treated cold-sprayed titanium/baghdadite deposits
Autor: Kumar, Avneesh ; Kant, Ravi ; Singh, Harpreet
Assuntos: Abrasion ; Applied and Technical Physics ; Biomaterials ; Chemistry and Materials Science ; Cold spraying ; Cold treatment ; Frictional wear ; Inorganic Chemistry ; Lasers ; Materials Engineering ; Materials research ; Materials Science ; Mechanical properties ; Melting ; Microhardness ; Microstructure ; Nanotechnology ; Orthopaedic implants ; Orthopedics ; Process parameters ; Protective coatings ; Scanning electron microscopy ; Sliding friction ; Sprayed coatings ; Thermal imaging ; Titanium ; Tribology ; Wear mechanisms ; Wear resistance
É parte de: Journal of materials research, 2022-08, Vol.37 (16), p.2698-2709
Descrição: This work presents the laser-remelting effect on microstructure, microhardness, and wear properties of the baghdadite reinforced cold-sprayed titanium composite coatings for orthopedic implant applications. The obtained results of laser-remelted coatings are compared to the as-sprayed coatings. The process parameters for laser treatment of cold-sprayed coatings are verified experimentally using scanning electron microscopy (SEM) and a thermal imaging camera. The laser-treated coatings are analyzed with SEM and energy-dispersive spectroscopy (EDS). Furthermore, sliding wear analysis of the laser-treated and as-sprayed coatings is done in Hank’s solution. The results show that laser-remelting helped in improving the density, microhardness, and wear resistance of the coatings. Post-wear analysis revealed that the main wear mechanism for coating wear is three-body abrasion and adhesion. Graphical abstract
Editor: Cham: Springer International Publishing
Idioma: Inglês

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Microstructural and tribological properties of laser-treated cold-sprayed titanium/baghdadite deposits

Kumar, Avneesh ; Kant, Ravi ; Singh, Harpreet

Cham: Springer International Publishing

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