Abstract
In this work, an oxide fiber-reinforced oxide matrix (oxide/oxide) composite was fabricated by a lamination process using a sol-based slurry. The density and the porosity of the oxide/oxide composite was 2.72 g/cm3 and 32.5%, respectively. The oxide matrix had a porous microstructure, and its elastic modulus was much lower than that of the oxide fiber. The as-received composite had a high flexural strength of 280.6 ± 9.3 MPa, a high interlaminar shear strength of 18.1 ± 0.7 MPa and a high fracture toughness of 7.6 ± 0.6 MPa m1/2. Fiber pull-out and crack deflection during fracture process were observed. The high elastic modulus ratio of fiber to matrix is critical to trigger toughening mechanisms of the composite.
Published Version
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 call