Skip to Main content Skip to Navigation
Theses

Identification paramétrique sur moyens industriels du comportement thermomécanique en forgeage à chaud

Abstract : The main objective of this thesis is to identify the parameters of a hot metal rheology model by using experimental data from an industrial press. In the first chapter, the principle of parameter identification is exposed. Uniaxial compression testing done on specialized devices serves as a case study. The notions of cost function, experimental design and rheological model are examined. A sensitivity analysis is also performed. The next chapter present the experimental tools used on the industrial press. Finally, the friction and thermal exchange that will happen during the tests are evaluated. The third chapter is about the inverse analysis on industrial press. Finite elements modelling of the compression is made and compared with the experiments. The identification results are then compared with the FORGE® software database and the material parameters found in chapter 1. A complex part is then simulated with these different parameters and compared with a real forging of this part. The fourth chapter uses the same methods as in chapter 3 to perform an identification on the rheological parameters of an Inconel 625. A microstructural model for the Inconel is then identified with industrial testing as reference.
Complete list of metadatas

Cited literature [129 references]  Display  Hide  Download

https://pastel.archives-ouvertes.fr/tel-02462629
Contributor : Abes Star :  Contact
Submitted on : Friday, January 31, 2020 - 2:16:33 PM
Last modification on : Friday, July 17, 2020 - 2:56:29 PM
Long-term archiving on: : Friday, May 1, 2020 - 3:26:20 PM

File

VENET.pdf
Version validated by the jury (STAR)

Identifiers

  • HAL Id : tel-02462629, version 1

Citation

Gabriel Venet. Identification paramétrique sur moyens industriels du comportement thermomécanique en forgeage à chaud. Autre [cond-mat.other]. Ecole nationale supérieure d'arts et métiers - ENSAM, 2019. Français. ⟨NNT : 2019ENAM0052⟩. ⟨tel-02462629⟩

Share

Metrics

Record views

217

Files downloads

246