Deformation behavior and bending strength of single crystal 8 mol% yttria-stabilized zirconia at microscopic scale

M Muramoto, J Tatami, M Iijima, K Matsui… - Journal of the European …, 2024 - Elsevier
Yield phenomena and bending strength of single crystal 8YSZ were evaluated using
microcantilever beam specimens with various crystal orientations. Nonlinearity due to plastic …

Prediction of crack nucleation and propagation in porous ceramics using the phase-field approach

A Abaza, J Laurencin, A Nakajo, S Meille… - Theoretical and Applied …, 2022 - Elsevier
The relevance of the phase-field approach to simulate the fracture in porous ceramics has
been investigated. For this purpose, the conditions for the crack initiation using the phase …

Ordered stereom structure in sea urchin tubercles: High capability for energy dissipation

HM Ji, QJ Qi, SM Liang, H Yu, XW Li - Acta Biomaterialia, 2022 - Elsevier
Tubercles in sea urchin shells serve as a base on the test plates connecting the spine; these
undergo compressive or impact stress from the spines. As the volume fraction of the ordered …

Phase-field modeling of crack growth and mitigation in solid oxide cells

F Xue, Y Lei, TL Cheng, WK Epting, G Hackett… - International Journal of …, 2023 - Elsevier
Fracture and crack growth is one of the main degradation mechanisms in solid oxide cells
(SOCs). However, the modeling of crack growth in SOCs is challenging due to their complex …

Failure mechanisms in in-situ SEM micropillar compressions of pre-crystallized and crystallized zirconia-containing lithium silicate glass-ceramics

AZ Juri, AK Basak, L Yin - Ceramics International, 2023 - Elsevier
Microscale microstructure-property relations for zirconia-containing lithium silicate glass-
ceramics (ZLS) are critical for their applications as load-bearing restorations. This study …

Discrete 3D modeling of porous-cracked ceramic at the microstructure scale

V Longchamp, J Girardot, D André, F Malaise… - Journal of the European …, 2024 - Elsevier
The porous-cracked microstructure of plasma sprayed ceramics coatings directly influences
their macroscopic mechanical response. A 3D micromechanical model based on the …

Fracture of porous ceramics: application to the mechanical degradation of solid oxide cell during redox cycling

A Abaza, S Meille, A Nakajo, D Leguillon… - ECS …, 2021 - iopscience.iop.org
A model based on the Phase Field approach has been developed to simulate the local
fracture in porous electrode microstructures. The model capacity to predict the crack …

In-situ SEM micropillar compression of porous and dense zirconia materials

AZ Juri, AK Basak, L Yin - Journal of the Mechanical Behavior of Biomedical …, 2022 - Elsevier
The reduction of failure rates of small-sized zirconia devices depends on the understanding
of their micromechanical properties. This paper reports the micromechanical behaviors of …

Accessing Elastic Properties of Porous Solid Oxide Fuel Cell Electrodes Using 2D Image-Based Discrete Element Modeling and Deep Learning

S Zhou, Y Zeng, X Liu, X Li, CL Martin… - Acta Mechanica Solida …, 2024 - Springer
The mechanical properties of solid oxide fuel cells (SOFCs) can limit their mechanical
stability and lifespan. Understanding the correlation between the microstructure and …

Phase-Field Modelling of Microstructure Evolution in Solid Oxide Cells

Y Shang, M Chen - ECS Transactions, 2023 - iopscience.iop.org
The performance degradation of Solid Oxide Cells (SOC) caused by microstructure
evolution limits the SOC's lifetime. Long-term testing combined with post-mortem …