Strength-ductility synergy in 304L stainless steel laser welded joints enabled by σ-phase incorporation

Z Li, Y Li, W Guo, J Dong, Q Wu, K Liang… - Journal of Manufacturing …, 2025 - Elsevier
Traditionally, the σ-phase formed during stainless steel welding has been associated with
embrittlement of welded joints. This study redefines this perspective by intentionally inducing …