Vaporization of Bi 2 O 3 in microwave‐sintered ZnO varistors is discussed in this study. The Bi 2 O 3 vaporization of ZnO varistors sintered by a conventional electric furnace is also studied for comparison. The results show that the Bi 2 O 3 vaporization in microwave‐sintered ZnO varistors is more homogenous from the surface to the inside of the sample, which results from the special thermal gradient inside the microwave‐sintered samples, and we also find out that the Bi 2 O 3 vaporization directly affects the electrical properties of ZnO varistors. Microwave‐sintered samples exhibit more excellent electrical properties than the conventional ones because the homogenous Bi 2 O 3 vaporization leads to more uniform microstructures.
No takes yet. Share an insight, caveat, or question.
Lin et al. (2007) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: