Glassy steel optimized for glass-forming ability and toughness

Title
Glassy steel optimized for glass-forming ability and toughness
Authors
Demetriou, MDKaltenboeck, G서진유Garrett, GFloyd, MCrewdson, CHofmann, DCKozachkov, HWiest, ASchramm, JPJohnson, WL
Keywords
boron alloys; chromium alloys; fracture toughness; iron alloys; metallic glasses; molybdenum alloys; nickel alloys; phosphorus alloys; plastic flow; vitrification
Issue Date
2009-07
Publisher
Applied physics letters
Citation
VOL 95, NO 4, 041907-1-041907-3
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/35677
ISSN
0003-6951
Appears in Collections:
KIST Publication > Article
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