Glassy steel optimized for glass-forming ability and toughness
- Glassy steel optimized for glass-forming ability and toughness
- Demetriou, MD; Kaltenboeck, G; 서진유; Garrett, G; Floyd, M; Crewdson, C; Hofmann, DC; Kozachkov, H; Wiest, A; Schramm, JP; Johnson, WL
- boron alloys; chromium alloys; fracture toughness; iron alloys; metallic glasses; molybdenum alloys; nickel alloys; phosphorus alloys; plastic flow; vitrification
- Issue Date
- Applied physics letters
- VOL 95, NO 4, 041907-1-041907-3
- An alloy development strategy coupled with toughness assessments and ultrasonic measurements is
implemented to design a series of iron-based glass-forming alloys that demonstrate improved
glass-forming ability and toughness. The combination of good glass-forming ability and high
toughness demonstrated by the present alloys is uncommon in Fe-based systems, and is attributed
to the ability of these compositions to form stable glass configurations associated with low
activation barriers for shear flow, which tend to promote plastic flow and give rise to a toughness
higher than other known Fe-based bulk-glass-forming systems.
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