• 2005-01 ~ 2007-01    上海交通大学       博士

• 2016-01 ~ 至今    上海交通大学  教授

• 接头组织性能测试与评估
• 焊接过程监测及智能控制

完成国家自然科学基金项目、科技部国际科技合作项目、上海市国际科技合作项目等共12项，完成校企联合研发项目60余项。在国内外期刊发表学术论文100多篇，获得专利授权22项。获上海市青年科技启明星、上海交通大学晨星学者等计划资助。获上海市科学技术奖二等奖、中国机械工业科学技术奖三等奖，中国汽车工业科技进步奖三等奖。

• Mu W, Li Y, Cai Y*, et al. Cryogenic fracture toughness of 9%Ni steel flux cored arc welds [J]. Journal of Materials Processing Technology, 2018, 252:804-812.
• Cai Y*, Heng H, Li F, et al. The influences of welding parameters on the metal vapor plume in fiber laser welding based on 3D reconstruction [J]. Optics & Laser Technology, 2018, 107:1-7.
• Huang Z , Cai Y* , Mu W , et al. Effects of laser energy allocation on weld formation of 9%Ni steel made by, narrow gap laser welding filled with nickel based alloy[J]. Journal of Laser Applications, 2018, 30(3).
• Xin DQ, Cai Y*, et al. Effect of preheating on microstructure and low temperature toughness for coarse-grained heat affected zone of 5% Ni steel joint made by laser welding, Welding in the World, 2019, 63: 1229–1241
• Wang W, Cai Y*, Wang H P, et al. Quality inspection scheme for automotive laser braze joints [J]. International Journal of Advanced Manufacturing Technology, 2020, 106(4).
• Mu W, Li Y, Cai Y*, et al. The cryogenic low-cycle fatigue performance of 9%Ni steel joint made by flux cored arc welding [J]. Materials Characterization, 2019, 151:27-37.
• Mu W, Cai Y*, Wang M, et al. Microstructure characteristics and properties of fusion boundary in 9%Ni steel joint filled with Ni-based alloy [J]. Materials Characterization, 2020:110390.
• Xin D, Cai Y*, Hua X. Pivotal microstructural characteristics to determine the cryogenic impact toughness of dissimilar joint between SA645 and AISI304L made by autogenous fiber laser welding [J]. Materials Characterization, 2020:110399.

• 上海市教学成果奖
• 上海交通大学教学成果
• 上海交通大学教书育人奖
• 上海交通大学烛光奖
• 上海交通大学最受学生欢迎教师