Periodic Segregation of Solute Atoms in Fully Coherent Twin Boundaries

By J. Nie, Yuman Zhu, Jefferson Z. Liu, Xi-Ya Fang. Science, 2013

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The effect of aluminium on twinning in binary alpha-titanium (2016, background): “In the case of Ti–13Al, many twins seem to nucleate from a grain boundary but have not grown lengthwise to reach the opposite grain boundary, suggesting that any type of ordering has a significant impact on twin boundary migration as previously reported for Mg–Gd alloys [35].”
Development of low-alloyed and rare-earth-free magnesium alloys having ultra-high strength (2018, background): “The recent works also demonstrate that some particular solutes (such as RE and Zn) can be attracted to the particular defects, such as twin boundaries, grain boundaries and stacking faults in Mg alloys, and the solute segregations are usually considered to be energetically favorable [50,60].”
Processing and properties of magnesium containing a dense uniform dispersion of nanoparticles (2015, background): “(3) A high thermal energy of about 13.”
Segregation-driven grain boundary spinodal decomposition as a pathway for phase nucleation in a high-entropy alloy (2019, background): “For instance, regular segregation patterns may arise at coincidence site lattice (CSL) boundaries of high symmetry, such as at coherent twin boundaries [34] or faceted S9 tilt GBs [35].”