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Microstructure and wear properties of TiC/FeCrBSi surface composite coating prepared by laser cladding

Wang, X.H. ; Zhang, M. ; Liu, X.M. ; Qu, S.Y. ; Zou, Z.D.

Surface & coatings technology, 2008-04, Vol.202 (15), p.3600-3606 [Periódico revisado por pares]

Lausanne: Elsevier B.V

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Título:
Microstructure and wear properties of TiC/FeCrBSi surface composite coating prepared by laser cladding
Autor: Wang, X.H. ; Zhang, M. ; Liu, X.M. ; Qu, S.Y. ; Zou, Z.D.
Assuntos: Applied sciences ; Contact of materials. Friction. Wear ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Fe-based composite coating ; In situ TiC ; Laser cladding ; Materials science ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metallic coatings ; Metals. Metallurgy ; Microstructure ; Physics ; Production techniques ; Surface treatment ; Surface treatments ; Wear resistance
É parte de: Surface & coatings technology, 2008-04, Vol.202 (15), p.3600-3606
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Titanium carbide particles reinforced Fe-based surface composite coatings were fabricated by laser cladding using a 5 kW CO 2 laser. The microstructure, phase structure and wear properties were investigated by means of scanning electron microscopy, transmission electron microscopy and X-ray diffraction, as well as dry sliding wear test. The results showed that TiC carbides were formed via in situ reaction between ferrotitanium and graphite in the molten pool during the laser-clad process. The morphology of TiC is mainly cubic and dendritic form; and the TiC carbides were distributed uniformly in the composite coating. The TiC/matrix interface was found to be free from cracks and deleterious phases. The coatings reinforced by TiC particles revealed higher wear resistance and lower friction coefficient than that of the substrate and FeCrBSi laser-clad coating.
Editor: Lausanne: Elsevier B.V
Idioma: Inglês

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Microstructure and wear properties of TiC/FeCrBSi surface composite coating prepared by laser cladding

Wang, X.H. ; Zhang, M. ; Liu, X.M. ; Qu, S.Y. ; Zou, Z.D.

Lausanne: Elsevier B.V

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