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Amorphous Metallic Plastic

B. Zhang, D. Q. Zhao, M. X. Pan, W. H. Wang, and A. L. Greer
Phys. Rev. Lett. 94, 205502 – Published 23 May 2005
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Abstract

We report cerium-based bulk metallic glasses with an exceptionally low glass transition temperature Tg, similar to or lower than that of many polymers. We demonstrate that, in near-boiling water, these materials can be repeatedly shaped, and can thus be regarded as metallic plastics. Their resistance to crystallization permits extended forming times above Tg and ensures an adequate lifetime at room temperature. Such materials, combining polymerlike thermoplastic behavior with the distinctive properties of metallic glasses, are highly unusual for metallic alloys and have great potential in applications and can also facilitate studies of the supercooled liquid state.

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  • Received 26 February 2005

DOI:https://doi.org/10.1103/PhysRevLett.94.205502

©2005 American Physical Society

Authors & Affiliations

B. Zhang1, D. Q. Zhao1, M. X. Pan1, W. H. Wang1,*, and A. L. Greer2

  • 1Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
  • 2Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB2 3QZ, United Kingdom

  • *Corresponding author. Electronic address: whw@aphy.iphy.ac.cn

See Also

“Work-Hardenable” Ductile Bulk Metallic Glass

Jayanta Das, Mei Bo Tang, Ki Buem Kim, Ralf Theissmann, Falko Baier, Wei Hua Wang, and Jürgen Eckert
Phys. Rev. Lett. 94, 205501 (2005)

Glass-Like Metal Performs Better Under Stress

Davide Castelvecchi
Phys. Rev. Focus 15, 20 (2005)

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Vol. 94, Iss. 20 — 27 May 2005

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