Investigation of Microstructure and Mechanical Properties (Ni-Cr-Mo) Dental Prosthesis

Yıl 2024, , 62 - 66, 27.10.2024

Ebuzer Aygül

https://doi.org/10.5281/zenodo.13996483

Öz

Ni63.4-Cr23.6-Si1.4-Mo11 metal ceramic (CERMET) dental alloy is widely used in dentistry applications instead of expensive alloys. The biocompatibility of the Ni63.4-Cr23.6-Si1.4-Mo11 alloy may pose a problem due to the metals present in the alloy as a result of corrosion activity, so examining its microstructure and mechanical properties is quite important. 11mm diameter Ni63,4-Cr23,6-Si1,4-Mo11 alloy disc was produced using the standard casting method for analyzing. Scanning Electron Microscope (SEM), X-ray Diffraction (XRD), Energy Dispersive X-ray Spectroscopy (EDX), Electrochemical Corrosion (Tafel extrapolation) and Micro Hardness test methods were used to examine the microstructure and mechanical properties of the alloy produced. According to the findings obtained from the results, the corrosion rate of the sample was measured as (940,3 x 10-3mpy) and the average Vickers hardness value was (366,54 kg x mm-2). It was seen that the alloy was in dendritic structure from SEM analysis, and Ni dominant XRD phase was detected in XRD tester. It was seen in SEM mapping that all the elements used in the alloy showed a homogeneous structure.

Anahtar Kelimeler

Dental prosthesis, Microstructure, Ni-Cr-Mo

Kaynakça

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