High-temperature strength and fracturetoughness,oxidation behavior,and thermal shock of the SRSi<sub>3</sub>N<sub>4</sub> with Y<sub>2</sub>O<sub>3</sub> and La
The nanosize AlN particles wereprepared by evaporation-condensation method in DCarc nitrogen plasma. Aluminium of high purity(99. 999% ) was evaporated and nitr
The authors perpared artifical crystals from silicon elastomer, which ensured medical purity,studied how to improve the light transmittance and thecharacteristi