Structural characterization and stress-relaxation behavior of superlattice Cu5Zr

Kyou Hyun Kim, Jae Pyoung Ahn, Young Min Kim, Byeong Joo Lee, Jae-chul Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

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 〈1 1 0〉 directions on {1 1 1} 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).

Original languageEnglish
Pages (from-to)5-8
Number of pages4
JournalScripta Materialia
Volume58
Issue number1
DOIs
Publication statusPublished - 2008 Jan 1

Fingerprint

stress relaxation
Stress relaxation
Atoms
Compressive stress
stress distribution
atoms
Enthalpy
Casting
enthalpy
simulation
Direction compound

Keywords

  • Casting
  • High-resolution electron microscopy (HREM)
  • Monte Carlo techniques
  • Stress-relaxation
  • Superlattice

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Metals and Alloys

Cite this

Structural characterization and stress-relaxation behavior of superlattice Cu5Zr. / Kim, Kyou Hyun; Ahn, Jae Pyoung; Kim, Young Min; Lee, Byeong Joo; Lee, Jae-chul.

In: Scripta Materialia, Vol. 58, No. 1, 01.01.2008, p. 5-8.

Research output: Contribution to journalArticle

Kim, Kyou Hyun ; Ahn, Jae Pyoung ; Kim, Young Min ; Lee, Byeong Joo ; Lee, Jae-chul. / Structural characterization and stress-relaxation behavior of superlattice Cu5Zr. In: Scripta Materialia. 2008 ; Vol. 58, No. 1. pp. 5-8.
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