Abstract
The effects of whisker diameter and carbon-coating of whiskers on the flexural strength and the fracture toughness of SiC-whisker-reinforced mullite composites were studied, and quantification of a crack deflection was attempted. The flexural strength and the fracture toughness gradually increased with increasing the amount of SiC whiskers. The strength slightly decreased with increasing whisker diameter and after coating the SiC whiskers with carbon. In contrast, the fracture toughness slightly increased. The toughening of SiC-whisker-reinforced mullite composites is contributed to mainly by the increase of the elastic modulus by the addition of SiC whiskers with high elastic modulus and the occurrence of debond-bridging in the SiC whisker-mullite matrix interface, but is accompanied by slight crack deflection and whisker-pullout.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
