Characterization of thermally oxidized titanium based coating

• Autorzy: Cetiner D. , Paksoy A. H. , Tazegul O. , Atar E. , Cimenoglu H.
• Języki publikacji: EN

Abstrakty

EN

Purpose: Aim of the study is to improve the bioactivity of CoCr alloy upon covering the surface with titanium based coating. Design/methodology/approach: CoCr alloy was coated by cold spraying of powder mixture having a composition of 92 wt.%Ti + 8 wt.%Al. Coated samples were thermally oxidized at 600°C for 60 hours. Characterization of the coating was made by X-Ray diffraction analyses, microstructural surveys, cross-section and surface SEM elemental mapping analyses, roughness and hardness measurements. Findings: Results showed that sequential application of cold spray and thermal oxidation processes provided the multi-layered coating consisting of an inner titanium based layer and an outer oxide layer consisted of TiO2 and Al2O3. Thermal oxidation also caused the remarkable increasing in the surface hardness as compared to the as-cold sprayed state. Practical implications: Modifying the surface of CoCr metallic implants for long term success. Originality/value: Producing a multilayer coating on the surface of the CoCr alloy for biomedical application by sequential application of cold spray and thermal oxidation processes is the orginality of the study.

Słowa kluczowe

EN

thermal oxidation; titanium; cold spray; microstructural characterization; hardness

PL

utlenianie termiczne; tytan; natryskiwanie na zimno; charakterystyka mikrostruktury; twardość

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2016
• Tom: Vol. 75, nr 2
• Strony: 49--54
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Cetiner D.

• Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey

autor

Paksoy A. H.

• Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey

autor

Tazegul O.

• Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey

autor

Atar E.

• Department of Materials Science and Engineering, Gebze Technical University, Kocaeli, Turkey

autor

Cimenoglu H.

• Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey

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