Characterization and performance of Ti3AlC2−yNy solid solutions (IMAGE)
Caption
XRD results showed the composition of Ti3AlC2−yNy solid solutions. The (104) diffraction peak of the prepared samples shifted towards higher angles as the y value increased, suggesting that the replacement of C by N induces the lattice distortion. The crystal structure depicted the random distribution of N atoms on X sites. Three Ti and one Al layers are alternately stacked, as observed in HRTEM. Both the flexural strength and Vickers hardness values of Ti3AlC2-yNy increased, while the electrical conductivities and CTEs decreased as the y value increased.
Credit
Journal of Advanced Ceramics, Tsinghua University Press
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License
CC BY