Influence of Sterilization and Exposure to the Ringer’s Solution on Mechanical and Physicochemical Properties of Nitrocarburized 316 LVM Steel
PBN-AR
Instytucja
Wydział Inżynierii Materiałowej (Politechnika Warszawska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Archives of Metallurgy and Materials (30pkt w roku publikacji)
ISSN
1733-3490
EISSN
Wydawca
Akademia Gorniczo-Hutnicza im. Stanislawa Staszica
DOI
URL
Rok publikacji
2018
Numer zeszytu
3
Strony od-do
1257-1266
Numer tomu
63
Identyfikator DOI
Liczba arkuszy
0.5
Autorzy
(liczba autorów: 7)
Pozostali autorzy
+ 5
Słowa kluczowe
en
AISI 316LVM steel
nitrocarburizing process
mechanical and physico-chemical properties
Streszczenia
Język
en
Treść
Studies on biocompatibility of AISI 316LVM steel indicate the need to eliminate the nickel from the surface and replace it with other elements of improved biocompatibility. Therefore, in the presented work selected physicochemical and mechanical properties of the diffusive nitrocarburized layer formed by plasma potential by means of an active screen made of the Fe-Cr-Ni were studied. In the paper we present results of microstructure and phase composition of the layers, roughness, and surface wettability, potentiodynamic pitting corrosion resistance, penetration of ions into the solution as well as mechanical properties. The studies were conducted for the samples of both mechanically polished and nitrocarburized surfaces, after sterilization, and exposure to the Ringer’s solution. Deposition of the nitrocarburized layer increased the contact angle, surface roughness, surface hardness, and corrosion resistance with respect to the polished surfaces. The nitrocarburized layer is a barrier against the ions release into the solution and sterilization and exposure to Ringer solution. The obtained results showed beneficial increase of both mechanical and electrochemical properties of the deposited layer, and thus the applicability of the proposed method of surface treatment of the 316LVM steel for short-term implants after sterylization.
Inne
System-identifier
WUTe010b785efda48108875fcfd9c7ffc86
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