The growth mechanisms of θ′ precipitate phase in an Al-Cu alloy during aging treatment
Lin Gao, Kai Li, Song Ni, Yong Du, Min Song*(
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Fig. 1.. Schematics of the θ' precipitate growth through (a-d) the classical two-step process (or shear process) and (e-g) the “zipper-like” mechanism, respectively. Different colors represent different types of atoms. Gray arrows show the motion of atoms.
