Effect of oxygen content on the sub-grain nanoindentation response in titanium affected by high temperature oxidation - Physique de la Plasticité et Métallurgie Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Effect of oxygen content on the sub-grain nanoindentation response in titanium affected by high temperature oxidation

Damien Texier
Quentin Sirvin
Ayyoub Dziri
Henry Proudhon
Vladislav Yastrebov

Résumé

Pre-oxidation tests were performed on a commercially pure titanium (CP-40) at 700 °C for 100 h under air in order to introduce a gradient of oxygen content within the metal, also called the oxygen-rich layer (ORL). The chemical profile of oxygen was measured using microprobe analyses (EPMA) on cross-sectional observations. Large but highly resolved nanoindentation maps using continuous stiffness measurement techniques were performed on the specimen cross-section to document the local mechanical response within the oxygen-rich layer (ORL) as a function of the oxygen content and the grain orientation using statistical and multi-modal analyses. The oxygen was found to greatly increase the hardness and elastic modulus in titanium and was correlated to orientation of the c axis of the α-Ti.
Fichier principal
Vignette du fichier
Ti 2023_stage-3483_nanoindentation_id-610.pdf (891.17 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-04167316 , version 1 (24-07-2023)

Identifiants

  • HAL Id : hal-04167316 , version 1

Citer

Damien Texier, Quentin Sirvin, Ayyoub Dziri, Henry Proudhon, Vladislav Yastrebov, et al.. Effect of oxygen content on the sub-grain nanoindentation response in titanium affected by high temperature oxidation. Ti-2023-World Titanium Conference 2023, Jun 2023, Edinburgh, United Kingdom. ⟨hal-04167316⟩
78 Consultations
72 Téléchargements

Partager

Gmail Facebook X LinkedIn More