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The role of chemical composition in governing heat transfer and oxidation dynamics during laser-flame hybrid cutting of high-thickness steel plates
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DOI:10.1016/j.jmatprotec.2026.119321.png)
Abstract
En 中文
• The processing capacity of laser-flame hybrid cutting (LFHC) technology for high alloy steel is significantly enhanced by the interaction of hybrid energy fields. • Alloying elements (Cr, Mo) form a dense, highly viscous oxide layer that hinders the oxygen-iron exothermic reaction, defining the material applicability boundary of LFHC. • The coupled effects of thermal conductivity and hardenability govern the heat transfer and microstructure evolution in heat-affected zone. • The oxidation mechanism in LFHC evolves from iron-dominated to Cr/Mo-involved hybrid oxidation with increasing alloy content.
Keywords:
laser-flame hybrid cutting
high alloy steel
oxidation mechanism
heat transfer
microstructure evolution
Journal
J
IF:
7.5
Papers:
1.6W
Citations:
4.5W
Organization
No organization information available
