Nb이 첨가된 Ti합금의 미세 조직 및 산화 거동

The oxidation behavior of Ti-Nb alloys was studied in dry atmosphere. After vacuum arc melting and hot rolling treatment, Ti-Nb alloys were oxidized at $450^{\circ}C$∼$750^{\circ}C$. The oxidation behaviors between matrix and oxide scale were analyzed by SEM, XPS and XRD. Ti-Nb alloys had higher oxi...

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Published inBiuletyn Uniejowski Vol. 37; no. 1; pp. 58 - 63
Main Authors 이도재(Doh-Jae Lee), 이광민(Kwang-Min Lee), 이경구(Kyung-Ku Lee), 박범수(Bum-Su Park), 김수학(Soo-Hak Kim), 전충극(Choong-Geug Jun), 윤계림(Kye-Lim Yoon)
Format Journal Article
LanguageKorean
Published 한국표면공학회 2004
Subjects
기계공학
Titanium
Oxidation
Microstructure
Niobium
Biomaterials
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Summary:The oxidation behavior of Ti-Nb alloys was studied in dry atmosphere. After vacuum arc melting and hot rolling treatment, Ti-Nb alloys were oxidized at $450^{\circ}C$∼$750^{\circ}C$. The oxidation behaviors between matrix and oxide scale were analyzed by SEM, XPS and XRD. Ti-Nb alloys had higher oxidation resistance than pure Ti at $750^{\circ}C$. XPS analysis of oxide film revealed that $TiO_2$ oxide was formed on the top of surface. The weight gains during the oxidation increase rapidly at temperature above $600^{\circ}C$ which obey the parabolic law.
Bibliography:KISTI1.1003/JNL.JAKO200411922288220
G704-000261.2004.37.1.004
ISSN:1225-8024
2299-8403
2288-8403