Tensile deformation behavior of triple heterogeneous microstructure comprising fine equiaxed/coarse equiaxed/columnar grains in AlCu/AlMgSc bimetal fabricated via dual-wire arc direct energy deposition

Yinghui Zhou, Xuewei Fang, Xin Lin, Zengyun Jian, Shixing Huang, Yue Wu, Jie Meng, Wenzhe Yang