The effect of glow discharge nitriding on the corrosion resistance of stainless steel orthodontic arches in artificial saliva solution
Janusz Kamiński , Kamil Krzysztof Małkiewicz , Janusz Rębiś , Tadeusz Wierzchoń
The oral cavity due to its temperature fluctuations, changing pH, high humidity, action of mechanical forces and the presence of microorganisms is a favorable environment for degradation of dental materials. The paper presents comparative results on orthodontic arch-wires AISI304 steel before and after low temperature plasma nitriding carried out at cathodic potential (conventional) and at plasma potential, i.e. in a process incorporating an active screen. Corrosion resistance test on nitrided layers produced on stainless steel were carried out via electrochemical impedance spectroscopy (EIS) and the potentiodynamic method in non-deaerated artificial saliva solution at 37°C. The results were complemented with analysis of the structure, surface topography and microhardness. The results showed an increase in corrosion resistance of AISI304 steel after conventional glow-discharge nitriding.
|Journal series||Archives of Metallurgy and Materials, ISSN 1733-3490, e-ISSN 2300-1909|
|Publication size in sheets||0.5|
|Conference||Corrosion 2019, 27-05-2019 - 29-05-2019, Warszawa, Polska|
|Keywords in English||steel orthodontic arch-wires; artificial saliva; glow-discharge nitriding; corrosion resistance|
|Score||= 40.0, 12-09-2020, ArticleFromJournal|
|Publication indicators||= 1; = 2; : 2018 = 0.534; : 2018 = 0.697 (2) - 2018=0.72 (5)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.