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  Martensitic plates on the surface of a Cu-Al-Ni sample
Diffraction pattern of 18R martensite

Growing plates of martensite


High resolution image showing the period 7 staking sequence of the atoms of a Ni-Mn-Ga alloy. The white lines help to follow four stacking sequences.




Transmission electron microscope image, about 1.7 micrometers in width, of a Cu-Al-Ni-Ti sample. A big precipitate rich in titanium (bigger and on the upper right corner) touches a gamma precipitate (darker and near the center). Both are embbeded within the bulk material in the martensitic phase (the plates are very small).