Economic and Environmental Geology

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Fig. 7.

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Fig. 7. (a) The driving force(F¯) of surface-energy driven grainboundary migration for a small segment(dS) of a boundary under surface tension(T¯). The angle subtended at the center of curvature is dθ = dS/R. (b) Schematic illustration of a triple junction(Kim, 2000).
Econ. Environ. Geol. 2021;54:233-45
© 2021 Econ. Environ. Geol.