Integration of additive manufacturing and thermomechanical processing toward a hybrid production route for PH13-8Mo stainless steel
Abstract
In the current study, PH13–8Mo is fabricated using laser-powder bed fusion and arc-directed energy deposition additive manufacturing (AM) processes. The microstructure and mechanical properties in the as-built and isothermally heat-treated conditions are studied. The isothermal heat treatment includes direct aging at 530 °C to form β-NiAl precipitates. The AM alloys (in the as-built condition) are then thermomechanically processed at the isothermal aging temperature to promote dynamic aging and dislocation multiplication. The resulting mechanical properties are found to be superior to the heat-treated conditions and correlated to the microstructure. This study paves the pathway toward developing a novel hybrid manufacturing route to fabricate alloys with exotic mechanical properties.
Publication Title
Materials Today Communications
Recommended Citation
Benoit, M., Ganton, T., Kaushik, H., Shakil, S., Zaker, N., Amirkhiz, B., Nasiri, A., Haghshenas, M., & Hadadzadeh, A. (2024). Integration of additive manufacturing and thermomechanical processing toward a hybrid production route for PH13-8Mo stainless steel. Materials Today Communications, 38 https://doi.org/10.1016/j.mtcomm.2024.108159
