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Structural characterization and stress-relaxation behavior of superlattice Cu5Zr
- Issue Date
- Jan-2008
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- casting; high-resolution electron microscopy (HREM); superlattice; Monte Carlo techniques; stress-relaxation
- Citation
- SCRIPTA MATERIALIA, v.58, no.1, pp.5 - 8
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 58
- Number
- 1
- Start Page
- 5
- End Page
- 8
- ISSN
- 1359-6462
- Abstract
- A self-organized superlattice containing modulated layers in Cu5Zr was manufactured by casting a Cu-Zr system. Substitutional Zr atoms caused compressive stress in the superlattice so that periodic stress fields were formed with a long-range order along the (110) directions on {111} for stress relaxation. On the other hand, it was demonstrated theoretically by atomistic simulations that a superlattice could form easily due to the large negative enthalpy of formation in the structure (-12.890 kJ/mol of atoms). (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Related Researcher
- Lee, Jae chul
- 공과대학 (Department of Materials Science and Engineering)