Grain Boundary Diffusion Parameters Determination Using A-Kinetics of Intermetallic Layer Formation

Yarmolenko, M. V.

doi:10.4028/www.scientific.net/ssp.72.251

Cited by 3 publications

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References 3 publications

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“…Analytical solution and Monte Carlo modelling of the Kirkendall effect were suggested in [7]. Grain boundary (GB) diffusion parameters determination using A-kinetics of intermetallic layer formation was proposed in [8]. Experimental data on Cu 5 Zn 8 (γ-brass) diffusion growth kinetics were used for separate determination of the volume diffusion activation enthalpy and the GB activation enthalpy.…”

Section: Introductionmentioning

confidence: 99%

Analytically Solvable Differential Diffusion Equations Describing the Intermediate Phase Growth

Yarmolenko¹,

Design²

2018

Metallofiz. Noveishie Tekhnol.

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Analytical method to solve differential diffusion equations describing the growth of the phase wedge during the intermetallic-compound formation with a narrow concentration range of homogeneity in bicrystals is proposed. A model describing the diffusion phase growth from point source inside the polycrystal grains is regarded. Analytical method to solve differential diffusion equations for such a model is suggested. Parabolic, cubic, and fourth power diffusion regimes for different scales from nanometers to micrometers and millimeters are analysed.

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Section: Introductionmentioning

confidence: 99%

Analytically Solvable Differential Diffusion Equations Describing the Intermediate Phase Growth

Yarmolenko¹,

Design²

2018

Metallofiz. Noveishie Tekhnol.

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Intermediate phase cone growth kinetics along dislocation pipes inside polycrystal grains

Yarmolenko

2018

AIP Advances

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Dislocation-pipe diffusion (DPD) becomes a major contribution to device failure in microelectronic components at working temperatures. Usually, the simple random walk law for diffusion (Type C kinetics t1/2) is employed to calculate of DPD coefficients. The article presents an analytically solvable model of describing the diffusion phase cone growth along dislocation pipes inside polycrystal grains involving outflow from dislocation lines (Type B kinetics). Correlative analytical method to solve differential diffusion equations for such model is suggested. Competition between phase cone growth along dislocation lines involving outflow and phase wedge growth along grain boundaries (GBs) involving outflow is analyzed. It is shown that while phase wedge growth law along GBs is the Fisher regime t1/4, phase cone growth law along dislocation lines is another diffusion regime t1/6. Real experimental data are analyzed using such diffusion regime. It is shown that it is possible to calculate DPD coefficients not only for the phase cone formation, but for migration of atoms along dislocations and self-diffusion along dislocation pipes too.

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Method of Dislocation and Bulk Diffusion Parameters Determination

Yarmolenko¹,

Str.²

2020

Metallofiz. Noveishie Tekhnol.

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Grain Boundary Diffusion Parameters Determination Using A-Kinetics of Intermetallic Layer Formation

Abstract: A method of GB Diffusion Parameters Determination during A-regime of Intermetallic Layer Formation is suggested. Experimental data on Cu5Zn8 Diffusion growth Kinetics are used for separate Determination of the volume Diffusion Activation Enthalpy and the GB Activation Enthalpy.

Cited by 3 publications

References 3 publications

Analytically Solvable Differential Diffusion Equations Describing the Intermediate Phase Growth

Analytically Solvable Differential Diffusion Equations Describing the Intermediate Phase Growth

Intermediate phase cone growth kinetics along dislocation pipes inside polycrystal grains

Method of Dislocation and Bulk Diffusion Parameters Determination

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