Thermal modeling and characterization of wire arc additive manufactured duplex stainless steel
By F. Hejripour, Farrokh Binesh, M. Hebel, D. Aidun. Journal of Materials Processing Technology, 2019
141 citations recorded by the source corpus.
Abstract In this study, Wire Arc Additive Manufacturing (WAAM) based Directed Energy Deposition (DED) process is used to build two parts, tube and wall from 2209 Duplex Stainless Steel. Duplex stainless steel is extremely effective against stress corrosion cracking due to existence of an equal portion of austenite and ferrite phases. The challenge is monitoring of the process parameters and cooling rate to promote ferrite phase formation. To this end, three-dimensional transient thermal models of the additive manufactured (AM) parts are presented and the simulated thermal cycles are verified with the experimental results. The correlation between the calculated cooling rates and the phases formation in the WAAM parts is studied and revealed. The results highlight that slow cooling rate of the built layers at elevated temperatures promote austenite formation significantly in a ferrite matrix. Furthermore, the experimental mechanical examinations will illustrate the quality of the WAAM-made parts and compare their mechanical properties with their wrought counter-parts.
Subfields: Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/37e5ab04dd41b76f49f2ca591f2a6f004d04b6b9
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In Mechanical Engineering
Citations in the corpus
- Tensile properties and microstructural features of 304L austenitic stainless steel produced by wire-and-arc additive manufacturing (2020, background): “Among WAAM-processed stainless steels, the available literature reports limited data about maraging steel [12], 2Cr13 martensitic stainless steel [13], 316L and 304 L [17–19] austenitic stainless steels, as well as 2209 duplex stainless steel [20].”
- Wire Arc Additive Manufacturing of Stainless Steels: A Review (2020, unknown): “Other factors also have specific e ects on phase balance, including material composition [105] and heat treatments [91].”
- Wire Arc Additive Manufacturing: Review on Recent Findings and Challenges in Industrial Applications and Materials Characterization (2021, methodology): “[80] explored the WAAM based directed energy deposition (DED) process employed to build two parts, namely the tube and the wall, from 2209 Duplex Stainless Steel.”