Computer Simulation of Final-Stage Sintering: I, Model Kinetics, and Microstructure Export

@article{citeulike:1454844, abstract = {A Monte Carlo model for simulating final-stage sintering has been developed. This model incorporates realistic microstructural features (grains and pores), variable surface difusivity, grain-boundary diffusivity, and grain-boundary mobility. A preliminary study of a periodic array of pores has shown that the simulation procedure accurately reproduces theoretically predicted sintering kinetics under the restricted set of assumptions. Studies on more realistic final-stage sintering microstructure show that the evolution observed in the simulation closely resembles microstructures of real sintered materials over a wide range of diffusivity, initial porosity, and initial pore sizes. Pore shrinkage, grain growth, pore breakaway, and reattachment have all been observed. The porosity decreases monotonically with sintering time and scales with the initial porosity and diffusivity along the grain boundary. Deviations from equilibrium pore shapes under slow surface diffusion or fast grain-boundary diffusion conditions yield slower than expected sintering rates.}, author = {Hassold, Gregory N. and Chen, I-Wei and Srolovitz, David J.}, citeulike-article-id = {1454844}, citeulike-linkout-0 = {http://www.blackwell-synergy.com/doi/abs/10.1111/j.1151-2916.1990.tb06686.x}, citeulike-linkout-1 = {http://dx.doi.org/10.1111/j.1151-2916.1990.tb06686.x}, doi = {10.1111/j.1151-2916.1990.tb06686.x}, journal = {Journal of the American Ceramic Society}, keywords = {3rd-stage, kinetics, microstructure, monte-carlo, numerical, sintering}, number = {10}, pages = {2857--2864}, posted-at = {2007-07-13 21:38:29}, priority = {5}, title = {Computer Simulation of Final-Stage Sintering: I, Model Kinetics, and Microstructure}, url = {http://dx.doi.org/10.1111/j.1151-2916.1990.tb06686.x}, volume = {73}, year = {1990} }

TY - JOUR ID - citeulike:1454844 L3 - citeulike-article-id:1454844 N2 - A Monte Carlo model for simulating final-stage sintering has been developed. This model incorporates realistic microstructural features (grains and pores), variable surface difusivity, grain-boundary diffusivity, and grain-boundary mobility. A preliminary study of a periodic array of pores has shown that the simulation procedure accurately reproduces theoretically predicted sintering kinetics under the restricted set of assumptions. Studies on more realistic final-stage sintering microstructure show that the evolution observed in the simulation closely resembles microstructures of real sintered materials over a wide range of diffusivity, initial porosity, and initial pore sizes. Pore shrinkage, grain growth, pore breakaway, and reattachment have all been observed. The porosity decreases monotonically with sintering time and scales with the initial porosity and diffusivity along the grain boundary. Deviations from equilibrium pore shapes under slow surface diffusion or fast grain-boundary diffusion conditions yield slower than expected sintering rates. IS - 10 JF - Journal of the American Ceramic Society EP - 2864 TI - Computer Simulation of Final-Stage Sintering: I, Model Kinetics, and Microstructure VL - 73 SP - 2857 KW - 3rd-stage KW - kinetics KW - microstructure KW - monte-carlo KW - numerical KW - sintering AU - Hassold, Gregory AU - Chen, I-Wei AU - Srolovitz, David PY - 1990/// UR - http://dx.doi.org/10.1111/j.1151-2916.1990.tb06686.x ER -