ZrB2-SiC-LaB6 ultrafine multiphase powders were prepared by the way of sol-gel method and carbothermal/borothermal reduction process,using zirconium oxychloride(ZrOCl2·8H2O),boric acid(H3BO3),hydrate...MORE ZrB2-SiC-LaB6 ultrafine multiphase powders were prepared by the way of sol-gel method and carbothermal/borothermal reduction process,using zirconium oxychloride(ZrOCl2·8H2O),boric acid(H3BO3),hydrated lanthanum chloride(LaCl3·7H2O),ethyl orthoate(TESO),and glucose(C6H12O6)as the main raw materials,polyethylene glycol(PEG)as the dispersant...