High thermal stability of the amorphous oxide in Ti44.5Cu44.5Zr7Be4 metallic glass
Source abstract
Abstract
The oxidation behavior of Ti44.5Cu44.5Zr7Be4 metallic glass has been investigated. The oxide layer with a fully amorphous structure forms when heated up to the SCL temperature region, indicating that the presence of Be in the oxide layer improves the thermal stability of the amorphous oxide. The amorphous oxide is stable even when heated above the crystallization onset temperature. The thickness of the amorphous oxide layer reaches to ∼160 nm when heated up to 773 K. The oxide layer grows in both inward and outward directions, leaving Cu-enriched crystalline particles at the middle section of the oxide layer.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Phase-change materials and chalcogenides · Glass properties and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Yonsei University 1 Department of Materials Science and Engineering, Center for Non-crystalline Materials, ,134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, South Korea
Korea Institute of Materials Science 2 Light Metal Division, , 797 Changwondaero, Seongsan-gu, Changwon,Gyeongnam 642-831, South Korea
Cheongju University 3 Department of Optical Engineering, , 36 Naedock-dong, Cheongju 360-764, South Korea
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