Microstructure of the microwave fast-sintered MgAl2O4 ceramics A.A. Sorokin, S.V. Egorov, Yu.V. Bykov, A.G. Eremeev, V.V. Kholoptsev, K.I. Rybakov, S.S. Balabanov and A.V. Belyaev EPJ Web Conf., 149 (2017) 02021 Published online: 04 August 2017 DOI: 10.1051/epjconf/201714902021