| Issue |
MATEC Web Conf.
Volume 157, 2018
Machine Modelling and Simulations 2017 (MMS 2017)
|
|
|---|---|---|
| Article Number | 02022 | |
| Number of page(s) | 11 | |
| Section | Modelling and simulation, structural optimization | |
| DOI | https://doi.org/10.1051/matecconf/201815702022 | |
| Published online | 14 March 2018 | |
Analysis of deformation and microstructure evolution during the hot deformation of titanium alloy
Czestochowa University of Technology, 42-201 Czestochowa, Poland
* Corresponding author: kukurykm@itm.pcz.pl
The paper presents theoretical and experimental analysis of deformations and microstructural evolutions in the hot cogging process of Ti-6Al-4V alloy. A three–dimensional thermal – plastic coupled finite element model is employed to study the mechanical and thermal interaction between the forging anvils and the workpiece. To explore the distributions of effective strain, effective stress, mean stress and temperature of the specimens have been systematically studied. Attention has been paid to deformation, temperature, stress and strain inside the specimens and these parameters have been used to determine the evolution of the microstructure in deformed samples during hot cogging process. A comparison of theoretical with experimental results shows that the developed model may be used to accurately predict deformations and microstructural parameters.
Key words: hot forging / titanium alloy / finite element / strain / stress / microstructure evolution
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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