Influence of particle size distribution on coarsening
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Cited by (49)
Three-dimensional phase-field study of grain coarsening and grain shape accommodation in the final stage of liquid-phase sintering
2017, Journal of the European Ceramic SocietyCitation Excerpt :They all fit a Weibull distribution function with shape factor 4.40. This confirms the theory of Fang et al. [56] which states that for LPS, the normalized grain size distribution always evolves towards a same form which is self-similar in time and independent of the initial particle size distribution. An experimental data set obtained for a 78 wt% tungsten alloy with a 7:3 ratio nickel iron binder liquid-phase sintered under microgravity conditions for 2 h is added to Fig. 8 [57], for comparison.
Effect of initial particle size distribution on the dynamics of transient Ostwald ripening: A phase field study
2015, Acta MaterialiaCitation Excerpt :Getting an analytical solution of the fully time dependent coarsening problem is a formidable task. The existing studies in the transient regime employed either the numerical calculation of mean-field model [26–29] or the simulation based on the microscopic description of coarsening process [17,25,30]. Through these studies, it has been confirmed that: (i) the evolution path of scaled PSD toward the asymptotic state is not constrained, but remarkably affected by initial conditions; (ii) the LSW PSD is a unique attractor state in the limit of zero volume fraction; and (iii) wide distributions coarsen more rapidly than narrow ones.
Effects of Mn, Si and Cr addition on the dissolution and coarsening of pearlitic cementite during intercritical austenitization in Fe-1mass%C alloy
2013, Materials CharacterizationCitation Excerpt :It is also reported that the initial particle size distribution has an influence on the coarsening rate. Particles with initially wider size distribution coarsen more rapidly [36,37]. Fig. 10 show the particle size distribution at the initial stage of austenitization in the investigated alloys.
Controlled particle size distributions using Linear Programming
2007, Powder Technology