On the Effect of “Surface Triple Junction” on Grain Boundary Motion

V.A. Ivanov; Dmitri A. Molodov; Lasar S. Shvindlerman; Günter Gottstein

doi:10.4028/www.scientific.net/MSF.467-470.757

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HomeMaterials Science ForumMaterials Science Forum Vols. 467-470On the Effect of “Surface Triple Junction” on...

On the Effect of “Surface Triple Junction” on Grain Boundary Motion

Abstract:

The motion of a curved grain boundary with a “surface triple junction” (“free surface – boundary - free surface”) in aluminum bicrystals is studied. The effect of the “surface triple junction” on grain boundary motion is discussed in the terms of the equilibrium of boundary and junction velocity. Boundary motion in samples with different boundary curvature revealed a strict proportionality of boundary velocity and driving force. This result corroborates the fact that in the entire investigated temperature range the “surface” triple junction does not affect the boundary motion.

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Materials Science Forum (Volumes 467-470)

Pages:

757-762

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.467-470.757

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Online since:

October 2004

Authors:

V.A. Ivanov, Dmitri A. Molodov, Lasar S. Shvindlerman, Günter Gottstein

Keywords:

Driving Force, Grain Boundary, Migration, Mobility, Triple Junction

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