Author/Authors :
Grigoriev، نويسنده , , Oleg N. and Galanov، نويسنده , , Boris A. and Lavrenko، نويسنده , , Vladimir A. and Panasyuk، نويسنده , , Alla D. and Ivanov، نويسنده , , Sergey M. and Koroteev، نويسنده , , Alexandr V. and Nickel، نويسنده , , Klaus G.، نويسنده ,
Abstract :
The oxidation of ZrB2–SiC and ZrB2–SiC–ZrSi2 ceramics of different composition has been studied experimentally at 1500 °C in pure oxygen for up to 50 h. ZrB2–SiC–ZrSi2 ceramics proved to be the most oxidation-resistant at ZrSi2 contents of less then 4 wt%. These ceramics were more oxidation-resistant than ZrB2–SiC ceramics. An analytical model of growth kinetics for a multilayered scale based on an oxidation–diffusion balance was developed and tested.
Keywords :
D. Silicides , Oxidation , D. Borides , B. Composites , D. SiC
