Синтез тугоплавких нитридов ванадия, ниобия и тантала в условиях теплового взрыва в воздухе смесей нанопорошка алюминия и соответствующих оксидов

Abstract

As contrasted against conventional methods that necessitate sintering consolidation of the powdered ceramics under intense heat and pressure, this novel approach is more scalable, less expensive, and rapidly produces refractory ceramics with high yields. The maximum yield of metal nitrides MeN in the combustion products of mixtures of aluminum nanopowder with vanadium, niobium and tantalum oxides in air, according to X-ray phase analysis, reaches VN=61 %, Nb2N=47 %, Ta2N=40,7 %.