Details

Autor(en) / Beteiligte

• Ahmadi, M R
• Rath, M
• Povoden-Karadeniz, E
• Primig, S
• Wojcik, T
• Danninger, A
• Stockinger, M
• Kozeschnik, E

Titel

Modeling of precipitation strengthening in Inconel 718 including non-spherical γ″ precipitates

Ist Teil von

• Modelling and simulation in materials science and engineering, 2017-07, Vol.25 (5), p.55005

Ort / Verlag

IOP Publishing

Erscheinungsjahr

2017

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• In this study, the classical strengthening equations for weak and strong particles are advanced to account for oblate-shaped γ″ precipitates in Inconel 718. The model is verified on quantitative stereology of size and distribution for both shearable and non-shearable mechanisms. The evolution of precipitation strengthening of aged superalloy Inconel 718 is simulated. In addition to precipitation strengthening, contributions of solid solution strengthening and the grain size effect are considered. Simulation results indicate a sound prediction of the final yield strength based on the presented model.