Grain boundary sliding revisited: Developments in sliding over four decades

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Spherical nanoindentation creep behavior of nanocrystalline and coarse-grained CoCrFeMnNi high-entropy alloys (2016, background): “It is well accepted that the creep stress exponent, n (1⁄4 vln _ εSS=vln swhere _ εSS is the steady-state creep rate and s is the applied stress), is a useful indicator for deducing the mechanism such that n 1⁄4 1 for diffusion creep such as NabarroeHerring creep (by lattice diffusion) and Coble cre”
Coarsening- and creep resistance of precipitation-strengthened Al–Mg–Zr alloys processed by selective laser melting (2020, methodology): “As can be seen in Figure 9, using n values of 1 leads to a poor fit, while n = 2 or 3 more accurately fit the experimental data for the tested samples; a better fit is achieved with n = 3, suggesting that dislocation glide is the limiting creep mechanism; however, GBS may still contribute to the ove”
A thermodynamically self-consistent damage equation for grain size evolution during dynamic recrystallization (2011, background): “At very high stress regimes, other deformation mechanisms might be present like grain boundary sliding (Kohlstedt & Wang 2001; Hirth & Kohlstedt 2003; Drury 2005; Langdon 2006; Kohlstedt 2007) or Peierls mechanisms (Evans & Goetze 1979; Frost & Ashby 1982; Raterron et al.”
Review on superior strength and enhanced ductility of metallic nanomaterials (2018, methodology): “GB sliding means a relative shear of neighboring grains across the GB [162].”