Results 31 to 40 of about 9,496 (256)

The non-dendritic microstructure arising from grain boundary formation and wetting: A phase-field simulation and experimental investigation of semi-solid deformation

Materials & Design, 2022
The semi-solid metal forming process can prevent the formation of unpopular dendritic microstructures but the mechanism remains unclear. To explore the underlying causes, a challenging phase-field simulation was performed, supported by a semi-solid ...
Jian-kun Ren, Ming-yue Sun, Yun Chen, Bin Xu, Wei-feng Liu, Hai-yang Jiang, Yan-fei Cao, Dian-zhong Li   +7 more
doaj   +1 more source

Deformation induced by wetting: a simple model [PDF]

Canadian Geotechnical Journal, 2012
This paper presents a simple model for predicting the deformation induced by wetting. The objective is to quantify the deformation induced by saturation of an unsaturated layer of homogeneous soil, causing variation of the initial void ratio and gravimetric water content. The soil is a low-plasticity silty sand.
openaire   +4 more sources

Wetting ridge dissipation at large deformations

The European Physical Journal E
Liquid drops slide more slowly over soft, deformable substrates than over rigid solids. This phenomenon can be attributed to the viscoelastic dissipation induced by the moving wetting ridge, which inhibits a rapid motion, and is called "viscoelastic braking".
Martin H. Essink, Stefan Karpitschka, Hamza K. Khattak, Kari Dalnoki-Veress, Harald van Brummelen, Jacco H. Snoeijer   +5 more
openaire   +5 more sources

Shock-induced deformation in wetted particle beds

Journal of Physics: Conference Series, 2014
The high-strain-rate response of granular media has received considerable attention due to increasing interest in granular penetration. In the present study, we investigate the response of wetted packed particle beds under varying flyer plate-induced shock loadings. We investigate the critical conditions for the onset of particle deformation in systems
Bradley J Marr, Oren E Petel, David L Frost, Andrew J Higgins, Sophie Ringuette   +4 more
openaire   +1 more source

Elastic and plastic wetting mechanical parameters of rockfill based on deformation law

Yantu gongcheng xuebao
Wetting deformation is part of the main post-completion deformation of earth-rock dams, which has important influences on the stress deformation behavior of dam body and the safety of dam body for the initial impoundment.
ZHOU Xiongxiong 1, 2, 3 , HUANG jiashu1, 2, FAN Zhidon1, 2, JI Tianrui 1, 2, CHI Shichun 4
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

Advanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee, Son Tung Mai, Sarath Menon, Braulio Gadiel Sánchez Ortega, Ralf Drautz, Alexander Kauffmann, Gunther Eggeler, Jan Frenzel   +7 more
wiley   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

Behavior of predried mature concrete beams subject to partial wetting and drying cycles

Acta Polytechnica CTU Proceedings, 2022
The presented research focuses on the behavior of predried concrete beams with 2.5 m span subjected to cycles of nonsymmetric wetting and drying. Wetting is induced by partially immersing the specimens in a water basin.
Lenka Dohnalová, Petr Havlásek, Vít Šmilauer   +2 more
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source