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Published July 27, 2009 | Published
Journal Article Open

Glassy steel optimized for glass-forming ability and toughness


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.

Additional Information

©2009 American Institute of Physics. Received 4 June 2009; accepted 1 July 2009; published 31 July 2009. This work was supported in part by the MRSEC Program of the National Science Foundation under Award Number DMR-0520565. Useful discussions with M.E. Launey and M.L. Lind are gratefully acknowledged.

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Published - Demetriou2009p5623Appl_Phys_Lett.pdf


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