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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
ISSN Print: 1582-9049
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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 12,





ANCA VITALARIU, RAZVAN LEATA, ROMEU CHELARIU, CORNELIU MUNTEANU, RAMONA CIMPOESU, MARIANA ILIE, RADU COMANECI, MIHAELA MOISEI
Influence of the Casting Conditions on the Structure and Properties of a Co-Cr-Mo Dental Alloy

Abstract:

The paper aims to investigate the influence of the casting conditions and in particular of the mold temperature (Tmold) - as the main parameter of the solidification process - on structure, corrosion resistance and mechanical properties of a Co-Cr-Mo dental alloy. The alloy has been cast at Tmold = 500 and 900 °C and the solidification structure has been investigated by using optical and scanning electron microscopy (SEM). Corrosion of the as-cast alloy in two different artificial salivas having pH = 6.0 and 7.7, and mechanical testing revealed that casting Co-Cr-Mo dental alloy at lowest permissible temperature (500 °C) does not adversely affect the structure and properties of the alloy. Due to the highest melt solidification rate, an improvement in structure and corrosion resistance while maintaining the mechanical properties was found. Keywords: Co-Cr-Mo dental alloy, casting, mold temperature, corrosion, artificial saliva

Issue: 2015, Volume 66, Issue 12
Pages:
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