Effect of elastic stress on phase selection in a binary system

Joo Youl Huh; William C. Johnson

doi:10.1557/proc-311-119

Effect of elastic stress on phase selection in a binary system

Joo Youl Huh, William C. Johnson

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

Elastic stress arising from differences in lattice parameters between phases is known to alter both qualitatively and quantitatively the characteristics of phase equilibria in coherent systems. One important consequence of misfit or epitaxial strain is the possible existence of several linearly stable equilibrium states: For a given composition, temperature and applied stress, different combinations of volume fraction and corresponding phase compositions render the free energy of the system a minimum. Here, we examine how epitaxial stresses influence phase equilibria in a binary alloy when the system can select from three different phases. In particular, we show the existence of several equilibrium states with different combinations of phases that minimize the system free energy.

Original language	English
Title of host publication	Thermodynamics and Kinetics
Publisher	Publ by Materials Research Society
Pages	119-130
Number of pages	12
ISBN (Print)	1558992073, 9781558992078
DOIs	https://doi.org/10.1557/proc-311-119
Publication status	Published - 1993
Externally published	Yes
Event	Proceedings of the Symposium on Phase Transformations in Thin Films - San Francisco, CA, USA Duration: 1993 Apr 13 → 1993 Apr 15

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	311
ISSN (Print)	0272-9172

Other

Other	Proceedings of the Symposium on Phase Transformations in Thin Films
City	San Francisco, CA, USA
Period	93/4/13 → 93/4/15

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Huh, JY & Johnson, WC 1993, Effect of elastic stress on phase selection in a binary system. in Thermodynamics and Kinetics. Materials Research Society Symposium Proceedings, vol. 311, Publ by Materials Research Society, pp. 119-130, Proceedings of the Symposium on Phase Transformations in Thin Films, San Francisco, CA, USA, 93/4/13. https://doi.org/10.1557/proc-311-119

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series = "Materials Research Society Symposium Proceedings",

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AB - Elastic stress arising from differences in lattice parameters between phases is known to alter both qualitatively and quantitatively the characteristics of phase equilibria in coherent systems. One important consequence of misfit or epitaxial strain is the possible existence of several linearly stable equilibrium states: For a given composition, temperature and applied stress, different combinations of volume fraction and corresponding phase compositions render the free energy of the system a minimum. Here, we examine how epitaxial stresses influence phase equilibria in a binary alloy when the system can select from three different phases. In particular, we show the existence of several equilibrium states with different combinations of phases that minimize the system free energy.

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T2 - Proceedings of the Symposium on Phase Transformations in Thin Films

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ER -

Effect of elastic stress on phase selection in a binary system

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