Seminar | A Metallurgical Phase Transformation Model Applied to Directed Energy Deposition Additive Manufacturing of Ti-6Al-4V | 20-5-2022 | 12:00H
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Title: A Metallurgical Phase Transformation Model Applied to Directed Energy Deposition Additive Manufacturing of Ti-6Al-4V
Affiliation: Hitit University, Faculty of Engineering, Department of Mechanical Engineering, Cevre Yolu Avenue, 19030, Corum, Turkey, Tel: (+90) 364 227 45 33 mervetunay@hitit.edu.tr (Merve Tunay)
Bachelor’s degree: 2012, Trakya University, Engineering Faculty, Mechanical Engineering Department
Master’s degree: 2015, Hitit University, Engineering Faculty, Mechanical Engineering Department
PhD: Continues, Hitit University, Engineering Faculty, Mechanical Engineering Department
SCI Index Papers:
1. Baykasoglu Cengiz, Akyildiz Öncü, Tunay Merve, To C Albert (2020). A Process microstructure Finite Element Simulation Framework for Predicting Phase Transformations and Microhardness For Directed Energy Deposition of Ti6al4v. Additive Manufacturing, 35(101252), 12., Doi: Doi.Org/10.1016/J.Addma.2020.101252 (No: 6218007).
2. Baykasoglu Cengiz, Baykasoglu Adil, Tunay Merve (2019). A Comparative Study on Crashworthiness Of Thin-Walled Tubes with Functionally Graded Thickness Under Oblique Impact Loadings. International Journal of Crashworthiness (No: 5967394).
3. Baykasoglu Cengiz, Tunay Merve (2015). Energy Absorption of Circular Aluminium Tubes with Functionally Graded Thickness Under Axial Impact Loading. International Journal of Crashworthiness, 20(1), 95-106., Doi: 10.1080/13588265.2014.982269 (No: 3318286).
Scopus IndexPapers:
1. Erdin Muhammed Emin, Baykasoglu Cengiz, Tunay Merve (2016). Quasi Static Axial Crushing Behavior of Thin-Walled Circular Aluminum Tubes with Functionally Graded Thickness. Procedia Engineering, 149, 559-565., Doi: 10.1016/J.Proeng.2016.06.705 (No: 3329203).
Conference Proceedings:
1. Baykasoglu Cengiz, Akyildiz Öncü, Tunay Merve (2019). A Metallurgical Phase Transformation Model Applied to Directed Energy Deposition Additive Manufacturing of Ti-6al-4v. AMC turkey Additive Manufacturing Conference, 71-75. (No:5408533)
2. Baykasoglu Cengiz, Tunay Merve (2016). A Comparative Study on Crashworthiness Chracteristics of Thin-Walled Tubes with Functionally Graded Thickness And Various Cross Sectional Geometries. 5th International Conference on Integrity-Reliability-Failure (No:3321939).
3. Baykasoglu Cengiz, Tunay Merve, Yalçin Özlem (2014). Crashworthiness Investigation of Metallic Thin-Walled Tubes Under Axial Impact Loading, The First International Symposium on
Industrial Design Engineering (Iside14), 2014, 71-75. The First International Symposium on Industrial Design Engineering (Iside14) (No:5494292)
Abstract:
This study presents 3D finite element (FE) implementation of a generalized metallurgical phase transformation kinetic model for predicting evolution of volumetric phase fractions during both diffusional and diffusionless phase transformations of Ti-6Al-4V in a typical Directed Energy Deposition (DED) additive manufacturing (AM) process. The metallurgical model is enabled to describe the dissolution, formation and recovery of alpha (Widmanstätten, colony/basketweave, massive/martensitic and grain boundary) and beta phases. The benchmark simulation results showed that the evolution of phase fractions during DED process of Ti-6Al-4V could be effectively simulated using the proposed thermo-metallurgical model.
