1·采用热塑性颗粒对HT7/5228、HT3/NY9200G和HT3/5224三种高温固化环氧基体复合材料层压板进行层间增韧。
Three types of carbon-fibre epoxy composites, HT7/5228, HT3/NY9200G and HT3/5224, were interlayer toughened with thermoplastic particles.
2·为提高高模量碳纤维复合材料的力学性能，研究改性氰酸酯、5228、4211 与碳纤维结合面结合性能。
To improve the mechanical properties of high modulus carbon fibers, the interface bonding abilities of cyanate ester, epoxy 5228 and epoxy 4211 with carbon fibers were studied.