The toughness and hot/wet properties of a novel modified bismaleimide (BMI)
5428/carbon fiber composite was investigated. Results indicate that the pr
epared BMI/T700 composite owns high toughness, excellent hot/wet properties
and mechanical properties. The compression strength after impact (CAI) of
5428/T700 composite is 260 MPa, and the results of hot/wet test show that t
he long-term service temperature of 5428/T700 composite can maintain at 170
degreesC.