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. 7.. The relative formation enthalpy of the θ'P1, θ'T1, and θ'T2 phases represented by the red triangle and the crystal structure for each phase viewed along [100]. The formation enthalpy of θ' phase was set as the zero enthalpy for clear comparison.