The relationships between microstructure, fracture surface and propagation behaviour of fatigue crack in TiB2 particulate reinforced ZA-8 Zn alloy and in the corresponding constitute matrix materials were studied.

• 研究了TiB2颗粒增强ZA－8锌合金复合材料和基体材料的疲劳裂纹扩展行为与显微组织、断口的关系。