Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85272
Title: Strain hardening at elevated temperatures induced by dynamic crystallization of an Al88Ni4Y8 amorphous alloy
Authors: Yang, H. W.
Tan, M. J.
Ramanujan, Raju V.
Issue Date: 2011
Source: Yang, H. W., Tan, M. J., & Ramanujan, R. V. (2012). Strain hardening at elevated temperatures induced by dynamic crystallization of an Al88Ni4Y8 amorphous alloy. Scripta Materialia, 66(6), 382-385.
Series/Report no.: Scripta materialia
Abstract: Tensile tests were carried out on amorphous Al88Ni4Y8 ribbons at room and high temperatures. The fracture strength at room temperature was 889 MPa, with an elastic strain of ∼1.35%. At 200 °C the tensile strength was 816 MPa, with a total strain of 16.8%. Modulated differential scanning calorimeter results revealed the existence of a “hidden” glass transition, which resulted in viscous flow and large plastic deformation. Dynamic crystallization during tensile tests accounted for the observed strain hardening behavior.
URI: https://hdl.handle.net/10356/85272
http://hdl.handle.net/10220/10407
ISSN: 1359-6462
DOI: 10.1016/j.scriptamat.2011.11.038
Rights: © 2011 Acta Materialia Inc.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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