Silicon Carbide Ceramics: The Science and Engineering of a High-Performance Material for Extreme Environments alpha si3n4
1. Basic Framework and Polymorphism of Silicon Carbide 1.1 Crystal Chemistry and Polytypic Diversity (Silicon Carbide Ceramics) Silicon carbide (SiC) is a covalently bonded ceramic product composed of silicon and carbon atoms arranged in a tetrahedral coordination, forming an extremely steady and robust crystal lattice. Unlike many traditional ceramics, SiC does not have a solitary,…