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Pregled bibliografske jedinice broj: 813941

Zbornik radova

Autori: Katić, Višnja; Zelenika, Saša; Kamenar, Ervin; Marković, Kristina; Perčić, Marko; Špalj, Stjepan
Naslov: Mechanical testing of orthodontic archwires
( Mechanical testing of orthodontic archwires )
Izvornik: Proceedings of the 16th EUSPEN International Conference / Bointon, P. ; Leach, R. ; Southon, N. (ur.). - Cranfield, UK : EUSPEN , 2016. 339-340 (ISBN: 978-0-9566790-8-6).
Skup: 16th EUSPEN International Conference
Mjesto i datum: Nottingham, UK, 30. 05. - 03. 06. 2016.
Ključne riječi: Nickel-titanium archwires; coating and corrosion; AFM and nanoindentation testing; surface roughness; hardness; Young’s modulus
( Nickel-titanium archwires; coating and corrosion; AFM and nanoindentation testing; surface roughness; hardness; Young’s modulus )
Sažetak:
Mechanical properties of orthodontic archwires are studied in this work in the micrometric domain. Measurements are performed on nickel-titanium archwires without and with different coatings as well as subjected for four weeks to an artificial saliva solution with different pH values (4.8 and 6.6). Since surface properties can have a meaningful influence on friction, corrosion or plaque accumulation, surface texture of the wires is measured by employing atomic force microscopy. On the other hand, with the aim of determining Young’s modulus and the hardness, nanoindentation tests are performed for different peak load values. It is hence established that there is no statistically relevant deterioration of the surfaces after their exposure to saliva. Rh coating leads, in turn, to an increase of surface roughness. Young’s moduli and hardness values tend to increase with increasing indentation depths, while they are not meaningfully affected by the coating or the corrosion in saliva.
Vrsta sudjelovanja: Poster
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: HRZZ-IP-2014-09-7500
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Strojarstvo,Temeljne tehničke znanosti,Dentalna medicina
Upisao u CROSBI: Saša Zelenika (szelenika@cmnzt.uniri.hr), 5. Svi. 2016. u 10:40 sati
Napomene:
Izrađeno i financirano u sklopu projekta “Imunosne i regenerativne implikacije korozije dentalnih materijala u djece i adolescenata” Hrvatske zaklade za znanost (IP-2014-09-7500) voditelja Stjepana Špalja



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