The Al2O3+TiB2 system has the highest hardness and the worst toughness.Al2O3+TiB2+FeAl, system has analogical performance with Al2O3+TiB2+NiAl as higher fracture toughness and lower hardness.

• Al2O3+TiB2体系的硬度最高，韧性最差，Al2O3+TiB2+FeAl与Al2O3+TiB2+NiAl性能差别不大，断裂韧性稍高，硬度稍低。