The results on microhardness, fracture toughness and scanning electron microscopy images of fracture surfaces show that Ni addition can improve the properties of TiB 2 TiC composites.

• 显微硬度、断裂韧性和SEM断口形貌的研究结果表明添加剂Ni显著提高了TiB2 TiC复相陶瓷材料的综合性能。