PREPARATION OF ULTRA FINE GRAINED MAGNESIA CERAMICS AND THE TEMPERATURE AND POROSITY DEPENDENCE OF THEIR FRACTURE BEHAVIOUR R. BADDI, J. CRAMPON et R. DUCLOSJ. Phys. Colloques, 47 C1 (1986) C1-373-C1-378DOI: https://doi.org/10.1051/jphyscol:1986155
