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Meeting

2026 TMS Annual Meeting & Exhibition

Symposium

Late News Poster Session

Presentation Title

F-61: Influence of Cooling Temperature on Microstructure and Mechanical Properties During WAAM Process

Author(s)

Changwook Ji, Jooyong Cheon, Hyunjun Shin, Uichan Lee

On-Site Speaker (Planned)

Changwook Ji

Abstract Scope

The WAAM (Wire Arc Additive Manufacturing) process is a technology that uses arc as a heat source to melt metal wire and deposit it in a three-dimensional form. The WAAM process has the advantage of reducing deposition time with a relatively faster deposition rate than PBF and Laser-DED processes. However, metal deposited by the WAAM process has the disadvantage of lowering mechanical properties due to the influence of large grain size. To compensate for these short comings, research on cooling methods to refine grain size is very important. In this study, three commercially available steel wires were selected. The optimal range of deposition conditions was selected in current (250 and 300 A) and travle speed (30,40, and 50 cm/min). Microstructure and mechanical properties were compared and analyzed in detail in relation to the cooling effect depending on the cooling temperature during the deposition process.

Proceedings Inclusion?

Undecided

Keywords

Additive Manufacturing, Iron and Steel, Joining

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