Microstructural investigations on laser welded Al-30wt.% B4C composite Yunjiang Li, Guomin Le, Pengcheng Zhang, Yajiang Xian, Zuqi Hu and Xiaoxuan Pang Metall. Res. Technol., 120 2 (2023) 201 Published online: 07 March 2023 DOI: 10.1051/metal/2023008