Ostwald ripening
E1026604
Ostwald ripening is a process in materials science where larger particles grow at the expense of smaller ones due to differences in solubility or chemical potential, leading to coarsening of the system over time.
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
materials science phenomenon
ⓘ
phase transformation mechanism ⓘ physical process ⓘ |
| basedOn | Gibbs–Thomson effect NERFINISHED ⓘ |
| canBeReducedBy |
adding ripening inhibitors
ⓘ
lowering temperature ⓘ reducing solubility of dispersed phase ⓘ |
| characterizedBy |
decrease in particle number density
ⓘ
dissolution of smaller particles ⓘ growth of larger particles ⓘ increase in average particle size ⓘ |
| dependsOn |
interfacial energy
ⓘ
particle size distribution ⓘ solute diffusivity ⓘ temperature ⓘ volume fraction of dispersed phase ⓘ |
| describedBy | r^3 ∝ t growth law under diffusion control ⓘ |
| drivenBy |
curvature-dependent solubility
ⓘ
differences in chemical potential ⓘ differences in solubility ⓘ surface energy minimization ⓘ |
| field |
colloid science
ⓘ
materials science ⓘ physical chemistry ⓘ |
| governedBy |
diffusion-controlled kinetics
ⓘ
interface-controlled kinetics ⓘ |
| hasAlternativeName |
Lifshitz–Slyozov–Wagner coarsening
NERFINISHED
ⓘ
coarsening ⓘ |
| influencedBy |
elastic strain energy
ⓘ
particle-matrix coherency ⓘ presence of surfactants ⓘ solute supersaturation ⓘ |
| modeledBy | Lifshitz–Slyozov–Wagner theory NERFINISHED ⓘ |
| namedAfter | Wilhelm Ostwald NERFINISHED ⓘ |
| occursDuring |
age hardening of alloys
ⓘ
emulsion destabilization ⓘ growth of quantum dots ⓘ precipitation in superalloys ⓘ sintering of ceramics ⓘ |
| occursIn |
aerosols
ⓘ
emulsions ⓘ foams ⓘ liquid solutions ⓘ multiphase systems ⓘ nanoparticle dispersions ⓘ solid solutions ⓘ |
| resultsIn |
change in catalytic activity
ⓘ
change in mechanical properties ⓘ change in optical properties ⓘ loss of fine dispersion ⓘ microstructural coarsening ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.