金属增材制造中熔池的凝固是一个典型的非平衡凝固过程。本方向的研究侧重对不锈钢、形状记忆合金、高温合金和钛合金等在激光和电子束增材制造过程中的非平衡凝固效应进行识别和调控。

研究成果：

1）R. J. Zhao, T. T. Yang, H. L. Liao, N. Fenineche, C. Coddet, J. Gao (2021): "Nanoscale chemistry and atomic-scale microstructure of a bulk Ni₃Sn material built using selective laser melting of elemental powder blends", Materials & Design 211, p.110152.  

2）R. J. Zhao, J. Gao, H. L. Liao, N. Fenineche, C. Coddet (2020): "Selective laser melting of elemental powder blends for fabrication of homogeneous bulk material of near-eutectic Ni‒Sn composition", Additive Manufacturing 34, p.101261.