ELABORATION PROCESS OF REFRACTORY MATERIALS BY REACTIVE PROJECTION OF OXIDE, PEROXIDE AND METALS M. PILATTI, J. CRANSVELD, G. RAYMOND, E. PLUMAT et P.H. DUVIGNEAUD J. Phys. Colloques, 47 C1 (1986) C1-159-C1-163 DOI: 10.1051/jphyscol:1986123