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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 | Schools: | School of Materials Science & Engineering School of Mechanical and Aerospace Engineering |
Rights: | © 2011 Acta Materialia Inc. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MAE Journal Articles MSE Journal Articles |
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