The nucleation and growth processes of the stoichiometric δ'-TiN_0.5 long-range ordered precipitates duringδ-TiN0.5 →δ'-TiN_0.5 ordering transformation were investigated by transmission electron inicroscop...The nucleation and growth processes of the stoichiometric δ'-TiN_0.5 long-range ordered precipitates duringδ-TiN0.5 →δ'-TiN_0.5 ordering transformation were investigated by transmission electron inicroscopy (TEM).The nucleation of the new δ'-TiN_0.5 phase is homogeneous in the matrix. In general, the nucleation andgrowth of the new δ'-TiN_0.5 phase proceed preferentially on the { 110)M lattice planes of parent δ-TiN_0. s. Theδ'-TiN_0.5 precipitates are always of lamellar features formed by combination of the three equivalent orientationdomains with their habit planes parallel to {11 0 }M planes.展开更多
文摘The nucleation and growth processes of the stoichiometric δ'-TiN_0.5 long-range ordered precipitates duringδ-TiN0.5 →δ'-TiN_0.5 ordering transformation were investigated by transmission electron inicroscopy (TEM).The nucleation of the new δ'-TiN_0.5 phase is homogeneous in the matrix. In general, the nucleation andgrowth of the new δ'-TiN_0.5 phase proceed preferentially on the { 110)M lattice planes of parent δ-TiN_0. s. Theδ'-TiN_0.5 precipitates are always of lamellar features formed by combination of the three equivalent orientationdomains with their habit planes parallel to {11 0 }M planes.
