[HTML][HTML] Small-scale fracture mechanical investigations on grain boundary doped ultrafine-grained tungsten

M Wurmshuber, M Alfreider, S Wurster, M Burtscher… - Acta Materialia, 2023 - Elsevier
The inherent brittleness of the refractory metal tungsten represents a major challenge for its
application as divertor material in future nuclear fusion reactors. Grain refinement to the …

Thermal conductivity of Cu-matrix composites reinforced with coated SiC particles: Numerical modeling and experimental verification

W Węglewski, P Pitchai, M Chmielewski… - International Journal of …, 2022 - Elsevier
Copper-matrix composites reinforced with silicon carbide (SiC) particles are heat sink
materials with potential application in the electronic industry. A major challenge in the …

[HTML][HTML] Homogenisation of micromechanical modelling results for the evaluation of macroscopic material properties of brittle ceramics

S Falco, N Fogell, S Kasinos, L Iannucci - International Journal of …, 2022 - Elsevier
This paper presents an approach to evaluate the macroscopic properties of ceramic
materials based on the homogenisation of the results of micromechanical simulations …

Experimental Determination of the Length-Scale Parameter for the Phase-Field Modeling of Macroscale Fracture in Cr–Al2O3 Composites Fabricated by Powder …

H Darban, K Bochenek, W Węglewski… - … Materials Transactions A, 2022 - Springer
A novel approach is proposed to determine a physically meaningful length-scale parameter
for the phase-field modeling of macroscale fracture in metal–ceramic composites on an …

A comparative study of mechanical properties, thermal conductivity, residual stresses, and wear resistance of aluminum-alumina composites obtained by squeeze …

J Maj, W Węglewski, K Bochenek, Ł Rogal… - … Materials Transactions A, 2021 - Springer
Squeeze casting and powder metallurgy techniques were employed to fabricate
AlSi12/Al2O3 composites, which are lightweight structural materials with potential …

[HTML][HTML] Enhancement of fracture toughness of hot-pressed NiAl-Re material by aluminum oxide addition

K Bochenek, W Węglewski, J Morgiel, M Maj… - Materials Science and …, 2020 - Elsevier
In the search for a remedy to increase the fracture toughness of NiAl, the effect of rhenium
and aluminum oxide addition is explored. Using a powder metallurgy processing route an …

Thermal Conductivity of AlSi12/Al2O3-Graded Composites Consolidated by Hot Pressing and Spark Plasma Sintering: Experimental Evaluation and Numerical …

A Sequeira, W Węglewski, K Bochenek… - … Materials Transactions A, 2024 - Springer
Functionally graded metal matrix composites have attracted the attention of various
industries as materials with tailorable properties due to spatially varying composition of …

The influence of imperfect interfaces on the measurable effective properties of ceramic composites

G Bolzon, P Pitchai - Composite Interfaces, 2022 - Taylor & Francis
This work evaluates the influence of the interface characteristics on the measurable
quantities that reflect the overall response of ceramic composites. The situations that may …

Mechanical behavior of ZTAp/40Cr three-dimensional interpenetrated composites under compression

C Jiang, D Lu, W Ma, G He, SA Ahmad - Materials Today Communications, 2021 - Elsevier
We used a hierarchical algorithm to study the mechanical behavior of the ZTAp/40Cr three-
dimensional (3D) interpenetrating composite under uniaxial compressive force. First, we …

Simulation and Experimental Investigation of Multi-Step Shot Peening for Surface Crack Repair in Aluminum Alloys

J Zhu, K Liao, J Hu - Coatings, 2023 - mdpi.com
This study explores the impact of shot peening residual compressive stress on repairing
surface cracks in the 7075-T651 aluminum alloy. Two models were developed for crack …