Abstract

Specimens of dry cortical bovine bone and bone equivalent ceramic of Ca/P ratio 1.95 were prepared and subjected to two fast neutron fluences of 1.15 × 106 and 1.13 × 108 n/cm2. Radiation damage was assessed by following their surface morphologies (SEM) and their selected area electron diffraction (SAED) patterns of both specimens using the scanning and diffraction electron microscope techniques. The results indicated that fast neutron irradiation induced phase changes from crystalline to quasi-amorphous state. The amorphism observed in the morphological habit proved the metamictization process as complemented by SAED amorphous hallow especially with the higher fluence.

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