skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Coarsening of complex microstructures following spinodal decomposition

Journal Article · · Acta Materialia
 [1]; ORCiD logo [2];  [2]; ORCiD logo [1]
  1. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Materials Science and Engineering
  2. Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering

Coarsening plays a pivotal role in materials engineering, but our understanding of the dynamics of coarsening in morphologically complex systems is still limited. In this paper, we examine the correlations between the interfacial velocity and interfacial morphologies, and then predict the evolution of mean curvature based on the correlations. Three simulated structures with varying volume fractions, two bicontinuous and one nonbicontinuous, are generated using the Cahn-Hilliard equation. We find general correlations between interfacial velocity and mean curvature, as well as between interfacial velocity and the surface Laplacian of the mean curvature. Furthermore, we find that the probability of finding a patch of interface with a given normal velocity and the same local principal curvatures is described well by a Gaussian distribution, independent of the principal curvature values and the volume fractions of the structures. We also find that average interfacial velocity is described by a polynomial of the mean curvature and the net curvature. Based on this finding, we develop a semi-analytical approach to predicting the rate of change of the mean curvature, which determines the morphological evolution of complex microstructures.

Research Organization:
Northwestern Univ., Evanston, IL (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-99ER45782; SC0015394
OSTI ID:
1533470
Alternate ID(s):
OSTI ID: 1550565
Journal Information:
Acta Materialia, Vol. 132; ISSN 1359-6454
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

References (41)

Ostwald ripening in concentrated alloys journal March 1994
The coarsening of γ' in Ni-Al alloys journal November 1966
Directional coarsening in nickel-base single crystals with high volume fractions of coherent precipitates journal June 1994
Modeling the recrystallized grain size in single phase materials journal June 2011
Spontaneous pinning of domain growth during spinodal decomposition of off‐critical polymer mixtures journal July 1992
Coarsening Effects on Microstructure Formation in Isopycnic Polymer Solutions and Membranes Produced via Thermally Induced Phase Separation journal October 1994
Interference of spinodal waves in thin polymer films journal October 1993
Domain growth and wetting in polymer mixtures journal June 1991
Geometric characterization of nanoporous metals journal October 2012
Morphological and topological analysis of coarsened nanoporous gold by x-ray nanotomography journal January 2010
Germanium “quantum dots” embedded in silicon: Quantitative study of self-alignment and coarsening journal January 1999
Self-Assembly of Two-Dimensional Islands via Strain-Mediated Coarsening journal August 2001
Coarsening of Self-Assembled Ge Quantum Dots on Si(001) journal February 1998
Electrical conductivity versus strength in a precipitation hardened alloy journal April 1992
Simulation of coarsening in three-phase solid oxide fuel cell anodes journal February 2011
Phase wettability and microstructural evolution in solid oxide fuel cell anode materials journal October 2014
Experimental and Theoretical Investigation of Degradation Mechanisms by Particle Coarsening in SOFC Electrodes journal October 2009
Topology-dependent scaling laws for the stiffness and strength of nanoporous gold journal October 2016
The theory of Ostwald ripening journal January 1985
The dependence of ostwald ripening kinetics on particle volume fraction journal March 1979
Theory of Ostwald ripening: Competitive growth and its dependence on volume fraction journal January 1984
The kinetics of precipitation from supersaturated solid solutions journal April 1961
Ostwald Ripening of Two-Phase Mixtures journal August 1992
Review Progress in Ostwald ripening theories and their applications to nickel-base superalloys Part I: Ostwald ripening theories journal January 2002
The dendrite arm spacings of aluminum-copper alloys solidified under steady-state conditions journal January 1975
On the ageing of dendrites journal May 1968
A model for isothermal dendritic coarsening journal March 1971
Evolution of interfacial curvatures of a bicontinuous structure generated via nonconserved dynamics journal May 2015
On the theory of normal and abnormal grain growth journal March 1965
Overview No. 98 I—Geometric models of crystal growth journal July 1992
A microscopic theory for antiphase boundary motion and its application to antiphase domain coarsening journal June 1979
Phase-Field Models for Microstructure Evolution journal August 2002
Prediction of dendritic growth and microsegregation patterns in a binary alloy using the phase-field method journal February 1995
On spinodal decomposition journal September 1961
Free Energy of a Nonuniform System. I. Interfacial Free Energy journal February 1958
Morphology and topology in coarsening of domains via non-conserved and conserved dynamics journal January 2010
The dynamics of interfaces during coarsening in solid–liquid systems journal May 2014
Evolution of Geometric Statistics journal June 1990
Application of the level-set method to the analysis of an evolving microstructure journal April 2014
The morphological evolution of dendritic microstructures during coarsening journal March 2003
Theory of Thermal Grooving journal March 1957

Cited By (1)

Microstructural patterns with tunable mechanical anisotropy obtained by simulating anisotropic spinodal decomposition
  • Vidyasagar, A.; Krödel, S.; Kochmann, D. M.
  • Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 474, Issue 2218 https://doi.org/10.1098/rspa.2018.0535
journal October 2018