Technology
Dalian University of Technology Proposes Hybrid Laser-CMT+P Dual-Pulse Process: A New Path for Additive Manufacturing of Large 316L Components
2026-10-18
Published online in Materials and Manufacturing Processes on October 18: By integrating low-heat-input pulsed laser with CMT+Pulse arc technology, large ring-shaped 316L components were successfully fabricated (tensile strength 669 MPa, elongation 51%), significantly reducing forming defects such as sagging and weld bead protrusion, and providing a process window basis for additive manufacturing of large stainless steel components.
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大连理工提出激光-CMT+P双脉冲混合工艺：大型316L构件增材成形新路径
《Materials and Manufacturing Processes》10月18日在线发表：将低热输入脉冲激光与CMT+Pulse电弧技术融合，成功制造大型环形316L部件（抗拉强度669MPa、延伸率51%），显著减少下垂与焊缝凸起等成形缺陷，为大型不锈钢构件增材制造提供工艺窗口依据。