prov:value
| - Said sinter is prepared by sintering in a nonoxidative atmosphere a powdery mixture comprising 1 to 20% by weight of the powder of at least one oxide selected from among Fe2 O3, CaO, TiO2, MgO, Al2 O3, BeO, NiO, Cr2 O3, ZrO2, Y2 O3, CoO2 and SiO2, 5 to 40% by weight of the powder of at least one silicide selected from among those of metals including Ca, Ti, Zr, Nb, Ta, Cr, Mo, W, Fe, Co, Ni and Y,
|