Crystal plasticity simulation of strain aging phenomena in α-titanium at room temperature

A Marchenko, M Maziere, S Forest, JL Strudel - International Journal of …, 2016 - Elsevier
Strain aging phenomena are shown to affect the viscoplastic behavior of commercially pure
α-titanium at room temperature. A yield stress anomaly corresponding to static strain aging …

Synchronous full-field strain and temperature measurement in tensile tests at low, intermediate and high strain rates

JD Seidt, VT Kuokkala, JL Smith, A Gilat - Experimental Mechanics, 2017 - Springer
Tensile tests with simultaneous full-field strain and temperature measurements at the
nominal strain rates of 0.01, 0.1, 1, 200 and 3000 s− 1 are presented. Three different testing …

Dark energy in crystals: prediction of stored energy in polycrystalline aggregates

V Phalke, S Forest, HJ Chang, T Rose… - Journal of Materials …, 2024 - Springer
During the plastic deformation of metallic materials, part of expended mechanical energy
diffuses as heat. The fraction of plastic work converted into heat is called the Taylor–Quinney …

Plastic zone evolution during fatigue crack growth: Digital image correlation coupled with finite elements method

J Hosdez, M Langlois, JF Witz, N Limodin… - International Journal of …, 2019 - Elsevier
Nonlinearities effects at the crack tip, due to the elastic-plastic material behavior, impact the
crack growth rate and path. This paper is devoted to the study of the plastic zone evolution in …

Infrared thermography coupled with digital image correlation in studying plastic deformation on the mesoscale level

X Wang, JF Witz, A El Bartali, C Jiang - Optics and Lasers in Engineering, 2016 - Elsevier
This paper focuses on a study of plastic deformation on the mesoscale level by infrared
thermography coupled with digital image correlation. First, a novel technique for fully …

[图书][B] Full-field measurement of the Taylor-Quinney coefficient in tension tests of Ti-6Al-4V, Aluminum 2024-T351, and Inconel 718 at various strain rates

JL Smith - 2019 - search.proquest.com
During plastic deformation of metals only a portion of the plastic work done on the material is
expended to modify its physical properties while the remaining energy is converted to heat …

Comparison of Hall–Petch Law with an Elastic Limit Identification Method Using Kinematic Field Measurements

Q Hu, A Beaurain, JF Witz, AE Bartali, D Najjar - Experimental Mechanics, 2025 - Springer
Background Plastic deformation in polycrystalline metals is highly heterogeneous due to the
varied microstructure distribution. Although some traditional laws, such as the Hall–Petch …

Simultaneous assessment of Lagrangian strain and temperature fields by improved IR-DIC strategy

XG Wang, CH Liu, C Jiang - Optics and Lasers in Engineering, 2017 - Elsevier
This paper focuses on the development of a novel digital image correlation strategy based
on infrared imaging (IR-DIC) for realizing simultaneous assessment of Lagrangian strain …

A dedicated DIC methodology for characterizing plastic deformation in single crystals

XG Wang, JF Witz, A El Bartali, A Oudriss… - Experimental …, 2016 - Springer
This paper focuses on the development of an appropriate Digital Image Correlation (DIC)
methodology based on Image Registration and dedicated for characterizing the plastic …

[PDF][PDF] Photomécanique en Fabrication Métallique

T Pottier - 2024 - hal.science
Ce manuscrit dresse le bilan d'un peu plus de quinze années passées dans l'enseignement
supérieur et la recherche. Au grès des différentes affectations, la nature des activités que j'y …