Size effect on plastic anisotropy in microscale deformation of metal foil

B Meng, WH Wang, YY Zhang, M Wan - Journal of Materials Processing …, 2019 - Elsevier
Metal foils are extensively used for manufacturing microparts with a high depth-to-thickness
ratio by microforming processes. Since there are few grains participating in the deformation …

Size effect on the yield behavior of metal foil under multiaxial stress states: Experimental investigation and modelling

C Cheng, M Wan, B Meng, R Zhao, WP Han - International Journal of …, 2019 - Elsevier
In microforming process, the metal foil is often deformed under complex stress states and
meanwhile affected by the scale effect. To explore the size effect on the yield behavior of …

Influence of plastic anisotropy and strain path on strain-induced phase transformation of cobalt

PA Dubos, J Fajoui, N Iskounen, B Girault… - Metals and Materials …, 2024 - Springer
The objective of this paper is to contribute to a better understanding of the deformation
mechanisms of a rolled polycrystalline cobalt sheet. In order to achieve this goal, a particular …

Investigation on the biaxial tensile testing method for metal foil using cruciform specimen

M Men, B Meng, M Wan - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
The assessment of mechanical properties of metal foil under complicated stress states
poses a considerable challenge, requiring the development of new testing methods and the …

Effect of strain rate on microscale formability and microstructural evolution of TA1 foil

T Ma, Y Wang, C Yang, Q Deng, Y Liu, X Li… - Materials Science and …, 2021 - Elsevier
The ultrathin miniaturized metal foil has high sensitivity to strain rate due to the size effect
during microforming processes. The correlations between the strain rate, size effect and …

[HTML][HTML] 基于多轴同步控制的微尺度双向加载实验系统

熊晶洲, 万敏, 孟宝, 赵越超, 吴向东 - 2019 - html.rhhz.net
针对目前微细成形中材料屈服, 强化行为实验研究的不足, 提出通过建立多轴同步控制的微尺度
双向加载实验系统, 实现超薄板在复杂加载路径下的性能表征测试. 双向加载实验系统基于四轴 …

Vision-based Deformation Measurement for Pile-soil Testing

K Zhou, L Chen, S Yu - MATEC Web of Conferences, 2019 - matec-conferences.org
Image measurement technology has been widely used in monitoring the deformation of the
soil field around the pile with its advantages of no damage, no contact, full-field …

Comportement mécanique du cobalt polycristallin: transformation de phase et effets de taille.

PA Dubos, E Hug, M Coret, J Fajoui… - 25e Congrès Français …, 2022 - hal.science
Le cobalt polycristallin est un métal de structure hexagonale compacte (HC) qui présente un
rapport c/a proche de celui d'une structure compacte idéale et une énergie de faute …

Influence de la température sur le comportement mécanique de pièces métalliques miniaturisées

PA Dubos, C Keller, MM Celis, E Hug - Journées Annuelles de la SF2M …, 2021 - hal.science
Le comportement mécanique de pièces miniaturisées est analysé au travers d'une étude de
la loi de Hall-Petch pour différents matériaux dans des conditions de températures …

Neutron and X-ray diffraction measurements to explore the influence of thermal, mechanical and thermomechanical loadings on the FCC retained phase of two phase …

PA Dubos, J Fajoui, N Iskounen, M Coret… - … on Materials Science …, 2020 - hal.science
Thermal and mechanical effects on the phase transformation of polycrystalline two-phase
HCP/FCC cobalt have been studied in a coupled and decoupled way. This experimental …