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Fundamentals of grain and interphase boundary diffusion
Inderjeet Kaur,Yuri Mishin,Wolfgang Gust +2 more
- 01 Jan 1995
TL;DR: Analytical Models of Grain Boundary Diffusion as mentioned in this paper have been proposed for determining grain boundary data, including diffusion along Dislocations and Small Angle Grain Boundaries, in thin films.
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Abstract: Analytical Models of Grain Boundary Diffusion. Diffusion Along Dislocations and Small-Angle Grain Boundaries. Grain Boundary Diffusion in Thin Films. Diffusion Along Migrating Grain Boundaries. Structural Effects on and Mechanisms of Grain Boundary Diffusion. Experimental Methods for Determination of Grain Boundary Diffusion Data. Index.
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Citations
Mesoscopic simulation of grain boundary diffusion creep in inhomogeneous microstructures
Kanishk Rastogi
- 01 Jan 2005
TL;DR: In this paper, the effect of microstructural inhomogeneity on the stress concentrations in the microstructure and the strain rate of polycrystalline materials has been investigated, and the results indicate that not only creep rate is lowered by the presence of inhomogeneities, but the stress concentration is also significantly altered giving rise to tensile stresses as high as three times the external applied stress on the system.
A Discrete Model for Diffusion-induced Grain Boundary Deterioration
Andrey P. Jivkov,John R. Yates +1 more
TL;DR: In this article, a site-bond model for concentration-driven diffusion is presented to study the accumulation of chemical species at grain boundaries, leading to deterioration and eventual cracking of polycrystalline materials.
Cation diffusion in LaMnO 3 , LaCoO 3 and LaFeO 3 materials
Marián Palcut
- 01 Jan 2007
TL;DR: In this paper, the reaction kinetics between dense, polycrystalline pellets of La2O3 and Mn3O4 were investigated at temperatures 1370-1673 K and oxygen partial pressures 40 Pa 50 kPa.
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GRAIN BOUNDARIES IN Ni3Al AS PATHS OF RAPID DIFFUSION
Michael Konecny,Herbert Ipser,Cas Brno +2 more
- 01 Jan 2001
TL;DR: Grain boundary diffusivity P (P is a triple product of diffusion coefficient in grain boundary D, grain boundary width δ and segregation coefficient s) of nickel was measured by serial sectioning and residual activity methods in temperature interval 973 - 1373 K as discussed by the authors.
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