Microstructural characterisation of Co-Cr-Mo casting dental alloys

• Autorzy: Szala M. , Beer-Lech K. , Gancarczyk K. , Kilic O. , Pędrak P. , Özer A. , Skic A.

Identyfikatory

DOI

10.12913/22998624/80901

• Języki publikacji: EN

Abstrakty

EN

The study compares the microstructure of three commercial dental cobalt matrix alloys with related chemical composition declared by the manufacturer. Casts were produced with lost wax method, then melted and casted with centrifugal induction casting machine. The Co-Cr-Mo alloys were casted according to the manufacturers procedure. The samples’ chemical composition and phase composition, respectively, using WDXRF (Wavelength Dispersive X-Ray Fluorescence) and XRD (X-ray Diffarction) methods were analysed. Casts microstructure by mean of LOM (Light Optical Microscopy), SEM (Scanning Electron Microscopy) and EDS (Energy Dispersive X-ray Spectroscopy) were investigated. Vickers hardness HV10 was measured. Quantitative microstructure evaluation was performed by means of computer image processing. The results of the chemical composition indicate the high stability of the chemical composition for alloy A. In case of alloys B and C, there was a significant difference in carbon content. Quantitative differences in image of microstructure between of castings A and B, C were noticed. The greater amount of precipitates was recorded for castings with higher carbon content. In all investigated castings, the presence of β matrix solution and M23C6 carbide precipitations was found.

Słowa kluczowe

EN

casting; microstructure; Co-Cr-Mo; biomaterials; dendritic structure; phase composition; chemical composition; dental cobalt alloy

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2017
• Tom: Vol. 11, no 4
• Strony: 76--82
• Opis fizyczny: Bibliogr. 23 poz., fig., tab.

Twórcy

autor

Szala M.

• Department of Materials Engineering, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka Street 36, 20-618 Lublin, Poland

autor

Beer-Lech K.

• Department of Mechanical Engineering and Automation, Faculty of Production Engineering, University of Life Sciences in Lublin, Poland, Głęboka Street 28, 20-612, Lublin, Poland

autor

Gancarczyk K.

• Departament of Materials Science, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 2 Wincentego Pola Str., 35-959 Rzeszów, Poland

autor

Kilic O.

• Cumhuriyet University, Department of Metallurgical and Materials Engineering, 58140, Sivas, Turkey

autor

Pędrak P.

• Departament of Materials Science, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 2 Wincentego Pola Str., 35-959 Rzeszów, Poland

autor

Özer A.

• Cumhuriyet University, Department of Metallurgical and Materials Engineering, 58140, Sivas, Turkey

autor

Skic A.

• Department of Mechanical Engineering and Automation, Faculty of Production Engineering, University of Life Sciences in Lublin, Poland, Głęboka Street 28, 20-612, Lublin, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)