Abstract
The contribution presents a modified method of stochastic reconstruction of two porous stainless-steel filters. The description of their microstructures was based on a combination of the two-point probability function for the void phase and the lineal-path functions for the void and solid phases. The method of stochastic reconstruction based on simulated annealing was capable of reproducing good connectivity of both phases, which was confirmed by calculating descriptors of the local porosity theory. Theoretical values of permeability were compared with their experimental counterparts measured by means of quasi-stationary permeation of four inert gases.
Highlights
Porous metal filters are fabricated by sintering of compacted metal powder particles
Theoretical values of permeability of both porous replicas were compared with their experimental counterparts measured by means of quasi-steady state permeation of four inert gases
The replicas of porous metal filters were obtained by means of stochastic reconstruction based on simulated annealing method
Summary
Porous metal filters are fabricated by sintering of compacted metal powder particles. Metals 2012, 2 tomography [1] and X-ray computed microtomography [2] These methods are often limited by their spatial resolution, availability and cost. Another way to do this involves 3D stochastic reconstruction [3,4]. In these references, simulated annealing is shown to be a very efficient and flexible tool for reproducing the porous media microstructure. Calculated values are compared with their experimentally measured counterparts This contribution presents an application of stochastic reconstruction of stainless-steel filter microstructures. Theoretical values of permeability of both porous replicas were compared with their experimental counterparts measured by means of quasi-steady state permeation of four inert gases
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