Paper Titles

Preface, Committees and Participants

Recent Advances and Unsolved Problems of Grain Boundary Diffusion
p.1

The Harrison Diffusion Kinetics Regimes in Grain Boundary Diffusion: Lattice Monte Carlo Modelling of the Effect of Segregation
p.9

Stress Generation during Grain Boundary Interdiffusion
p.19

Concentration Profiles for Grain Boundary Diffusion in B-Regime with Regard to the Formation of Atomic Complexes in Grain Boundary
p.29

Recent Developments in the Study of Grain Boundary Segregation by Wavelength Dispersive X-Ray Spectroscopy (WDS)
p.39

Self-Diffusion Parameters of Grain Boundaries and Triple Junctions in Nanocrystalline Materials
p.45

Grain Boundary Segregation and Amount of Bulk Carbides in Severely Deformed Fe–C Alloys
p.51

Numerical Simulation Support for Diffusion Coefficient Measurements in Polycrystalline Thin Films
p.63

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Stress Generation during Grain Boundary Interdiffusion

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Abstract:

A grain boundary interdiffusion in a semi-infinite bicrystal under the conditions of negligible bulk diffusion is considered. We show that the inequality of intrinsic grain boundary diffusion coefficients of the two components leads to plating out of additional material at the grain boundary in the form of extra material wedge, which generates an elastic stress field in the vicinity of the grain boundary. We solved a coupled diffusion/elasticity problem and determined the time-dependent stress field and concentration distribution in the vicinity of the grain boundary.

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Grain Boundary Diffusion, Stresses and Segregation

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Periodical:

Defect and Diffusion Forum (Volumes 309-310)

Pages:

19-28

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.309-310.19

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Online since:

March 2011

Authors:

Leonid Klinger, Eugen Rabkin

Keywords:

Diffusion, Grain Boundary Diffusion, Kirkendall Effect, Stress, Theory of Diffusion

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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