Zobrazeno 1 - 10
of 212
pro vyhledávání: '"Plasticité cristalline"'
Autor:
Dequiedt, Jean-Lin
Publikováno v:
Mécanique des matériaux [physics.class-ph]. Université de Lorraine, 2021
The localization of plastic deformation in metallic shells under dynamic expansion, which is at the origin of their fragmentation, is initiated by physical processes taking place at different scales, from the one of the crystal lattice to the one of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bed73d521b2f6d54c337422593852fd8
https://hal.univ-lorraine.fr/tel-03279249/document
https://hal.univ-lorraine.fr/tel-03279249/document
Autor:
Panella, Marco
Publikováno v:
Autre. ISAE-ENSMA Ecole Nationale Supérieure de Mécanique et d'Aérotechique-Poitiers, 2021. Français. ⟨NNT : 2021ESMA0008⟩
Constitutive modelling is employed by engine designers to predict stresses and strains in turbine engine components, to support life prediction. Current models used in industry are mainly empirical: they are essentially developed from simple curve fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::984d0ea372020da8698eda7fa42dbf33
https://tel.archives-ouvertes.fr/tel-03477822
https://tel.archives-ouvertes.fr/tel-03477822
Autor:
Calvat, Mathieu
Publikováno v:
Mécanique des matériaux [physics.class-ph]. Normandie Université, 2021. Français. ⟨NNT : 2021NORMIR19⟩
This work focuses on the mechanical behavior of austenitic stainless steels with a bimodal grain size distribution. A first part, self-sufficient, is dedicated to the improvement of the elaboration process and a second part, more consequent, proposed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cfaa149f71c830d8792f31d60be21ff9
https://theses.hal.science/tel-03588766
https://theses.hal.science/tel-03588766
Publikováno v:
Mechanics of materials [physics.class-ph]. Université Paris sciences et lettres, 2020. English. ⟨NNT : 2020UPSLM072⟩
Dynamic recrystallization (DRX) is one of the main metallurgical phenomena responsible for the evolution of the microstructure of metallic materials subjected to hot metal forming processes. Understanding and predicting the subsequent physical mechan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::aef8295310faa738401dfc8acf433057
https://pastel.archives-ouvertes.fr/tel-03338762/file/2020UPSLM072_archivage.pdf
https://pastel.archives-ouvertes.fr/tel-03338762/file/2020UPSLM072_archivage.pdf
Autor:
Serrano, Pierre
Publikováno v:
Mécanique des matériaux [physics.class-ph]. Université Paul Sabatier-Toulouse III, 2020. Français. ⟨NNT : 2020TOU30272⟩
Mécanique des matériaux [physics.class-ph]. Université Toulouse 3-Paul Sabatier, 2020. Français
Mécanique des matériaux [physics.class-ph]. Université Toulouse 3-Paul Sabatier, 2020. Français
Technological advances in aircraft engine design require the use of lightweight materials at increasingly high temperatures. Therefore, intermetallics titanium aluminide alloys based on "dollar"\gamma"dollar"-TiAl have been introduced in the most rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::90d7b15823defc2563956de7d000a277
https://hal.science/tel-03171635v2/document
https://hal.science/tel-03171635v2/document
Autor:
Wang, Xiang
Publikováno v:
Mécanique des matériaux [physics.class-ph]. Université Paris-Nord-Paris XIII, 2020. Français. ⟨NNT : 2020PA131015⟩
The ‘harmonic structure (HS)’ design method proposed by Ameyama andco-workers is the result of a relentless quest to obtain an improved combination ofstrength and ductility in metallic materials. Understanding the microstructure-propertyrelations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::879fa116324dc11754eea7727ba7c18e
https://tel.archives-ouvertes.fr/tel-03349448/file/edgalilee_th_2020_wang.pdf
https://tel.archives-ouvertes.fr/tel-03349448/file/edgalilee_th_2020_wang.pdf
Autor:
LIANG, Xiaoyu
Publikováno v:
Materials. HESAM Université, 2020. English. ⟨NNT : 2020HESAE017⟩
This study aims to investigate the influence of both the microstructure and surface defects on the high cycle fatigue (HCF) behavior of a 316L stainless steel obtained by additive manufacturing (AM). Surface defects and microstructure are dominant fa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d397b671336aa97a2e095ce1243dc9f0
https://tel.archives-ouvertes.fr/tel-02951486
https://tel.archives-ouvertes.fr/tel-02951486
Autor:
GMATI, Hela
Publikováno v:
Mechanics of materials [physics.class-ph]. HESAM Université, 2020. English. ⟨NNT : 2020HESAE010⟩
The Phase-Field Method (PFM), which has been designed for interfacial problems, provides an attractive framework for the modelling of fracture. The present work aims at developing some constitutive models within the framework of the PFM to model frac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ff85187be83ff70162d61477ef53cee8
https://pastel.archives-ouvertes.fr/tel-03026401
https://pastel.archives-ouvertes.fr/tel-03026401
Autor:
Nguyen, Pham the nhan
L’identification de certaines lois de comportement demeure délicate surtout pour des comportements non linéaires. Plusieurs stratégies d’identification ont été développées en s’appuyant principalement sur le dialogue essai-calcul. La par
Externí odkaz:
http://www.theses.fr/2020REIMS001
Autor:
Furstoss, Jean
Publikováno v:
Sciences de la Terre. Université Côte d'Azur, 2020. Français. ⟨NNT : 2020COAZ4066⟩
This thesis aims at simulating the microstructural evolutions of upper mantle rocks under thermomechanical conditions representative of the Earth’s lithosphere. Indeed, the mechanical behavior of these rocks controls, at first order, the rheology o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b01250ae5ee373d3020797b647389a39
https://theses.hal.science/tel-03185103
https://theses.hal.science/tel-03185103