Zeqi Liang

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About

Zeqi Liang is a leading researcher in the field of advanced manufacturing and structural integrity, with a primary focus on wire arc additive manufacturing (WAAM) and the mechanical behavior of additively manufactured metals. His most notable contribution is the comprehensive characterization of ductile fracture in WAAM steel, where he conducted extensive experiments covering a wide range of stress states. Liang’s landmark 2025 study, which has already garnered 12 citations, revealed that WAAM steel exhibits superior fracture ductility compared to conventionally produced equivalents—a critical insight for safety-critical applications. He further advanced the field by developing and rigorously validating numerical models that accurately predict fracture behavior in WAAM components. By calibrating these fracture models against experimental data, Liang has provided engineers with reliable tools for designing durable, lightweight structures. His work bridges the gap between additive manufacturing process parameters and structural performance, directly impacting the aerospace, automotive, and energy sectors. With his combination of meticulous experimentation and sophisticated simulation, Zeqi Liang is establishing himself as a key figure in the transition of WAAM from research labs to industrial deployment.