Three Dimensional Textile SiC/SiC Composites by Chemical Vapor Infiltration
Source abstract
Abstract
Three dimensional textile SiC/SiC composites were fabricated by chemical vapor infiltration, and their mechanical properties and microstructure were investigated. The density of the composites was 2.5g.cm-3 after the preform was infiltrated for 30 hours. The present composite materials exhibited excellent mechanical properties and metal-like failure behavior. The flexcural strength and displacement were 860MPa and 1.2mm, respectively. Fracture toughness and work of fracture were 41.5MPa.m1/2 and 28.1kJ.m-2, respectively. The dynamic toughness was determined by using Charpy impact method and its value was 36.0kJ.m-2.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Fiber-reinforced polymer composites
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