Bridging Toughening Mechanism of Fiber Eutectics and Transformation Particles Composite Ceramic

Abstract:

Article Preview

Based on the microstructure of fiber eutectics and transformation particles composite ceramic, the bridging stress of the fiber eutectic is determined. The bridging load that makes crack closure to reduce the stress concentration of crack tip is calculated. The energy dissipative value of the bridging load is obtained by considering the random orientation of the fiber eutectic. Finally, according to the relationship of the fracture toughness and energy dissipation, the bridging toughening mechanism is established. Analysis shows that the bridging toughening value is enhanced with the increasing of volume fraction and fracture strength of fiber eutectic, and enhanced with the decreasing of interface bonding strength and length-diameter ratio.

Info:

Periodical:

Edited by:

Yiwang Bao, Li Tian and Jianghong Gong

Pages:

178-181

DOI:

10.4028/www.scientific.net/AMR.177.178

Citation:

X. H. Ni et al., "Bridging Toughening Mechanism of Fiber Eutectics and Transformation Particles Composite Ceramic", Advanced Materials Research, Vol. 177, pp. 178-181, 2011

Online since:

December 2010

Export:

Price:

$35.00

In order to see related information, you need to Login.

In order to see related information, you need to Login.