Results 81 to 90 of about 203,665 (317)

Temperature Influence on Non-Linear Harmonic Vibrations of Plates Made of Viscoelastic Materials

Engineering Transactions, 2020
This paper is devoted to the analysis of ambient temperature influence on harmonic vibrations of von Kármán geometrically non-linear plates. The time-temperature superposition and the Williams-Landel-Ferry formula for the horizontal shift are used to ...
Przemysław LITEWKA, Roman LEWANDOWSKI
doaj   +1 more source

Characterization of the complex ion dynamics in lithium silicate glasses via computer simulations

, 2002
We present results of molecular dynamics simulations on lithium metasilicate over a broad range of temperatures for which the silicate network is frozen in but the lithium ions can still be equilibrated.
Banhatti, Radha D., Heuer, Andreas, Kunow, Magnus, Vogel, Michael   +3 more
core   +1 more source

Selection Strategies for Flexible Pressure Sensor Electrode Materials Toward Ultrafast Response

Advanced Functional Materials, EarlyView.
This study reveals, for the first time, how the electrode–organic interface governs the temporal performance of flexible pressure sensors. By pairing high‐conductivity CVD PEDOT with commonly used metal electrodes, the authors demonstrate that interfacial energy alignment dictates microsecond‐scale response, providing a straightforward design strategy ...
Jinwook Baek, Yuxuan Zhang, Hyeondong Yang, Minyoung Kim, Pavlos P. Vlachos, Jeongok Choe, Bo‐Gyu Bok, Kejie Zhao, Han‐Wook Song, Min‐Seok Kim, Martin Byung‐Guk Jun, Sunghwan Lee   +11 more
wiley   +1 more source

Adaptive 4D‐Printed Vascular Stents With Low‐Temperature‐Activated and Intelligent Deployment

Advanced Functional Materials, EarlyView.
Microarchitected coronary artery stents were fabricated using a polycaprolactone (PCL)‐based shape memory polymer (SMP) composite via projection micro‐stereolithography (PµSL) 4D printing. By incorporating diethyl phthalate (DEP) as a plasticizer, the thermal transition temperature (Ttran) was modulated to about 37°C, enabling rapid and autonomous ...
Yannan Li, Yifan Pan, Chikahiro Imashiro, Chaolun Xu, Jianxian He, Jingao Xu, Kewei Song, Ze Zhang, Chen Gao, Junbo Jiang, Runhuai Yang, Kayo Hirose, Shinjiro Umezu   +12 more
wiley   +1 more source

Applications of Strain-Rate Frequency Superposition for Bituminous Binders

Applied Rheology, 2015
Nonlinear viscoelastic behavior of bitumen has a determinant effect on the performance of asphalt roads suffering permanent deformation due to traffic loads.
Bueno M., García A., Partl M. N.
doaj   +1 more source

Dynamics of the rotational degrees of freedom in a supercooled liquid of diatomic molecules

, 1997
Using molecular dynamics computer simulations, we investigate the dynamics of the rotational degrees of freedom in a supercooled system composed of rigid, diatomic molecules.
B. Bagchi, C. Renner, F. Fujara, F. Sciortino, F. Sciortino, G. F. Signorini, G. Li, G. P. Johari, G. Wahnström, G. Wahnström, H. C. Andersen, H. C. Andersen, H. Z. Cummins, J. Baschnagel, J.-N. Roux, J.-P. Bouchaud, L. J. Lewis, M. J. Lebon, M. P. Allen, P. Gallo, P. K. Dixon, P. Lunkenheimer, P. Lunkenheimer, P. Lunkenheimer, P. Sindzingre, R. Schilling, Rolf Schilling, S. R. Kudchadkar, Stefan Kämmerer, T. Franosch, U. T. Höchli, W. Götze, W. Götze, W. Götze, W. Götze, W. J. Ma, W. Kob, W. Kob, W. Kob, W. Kob, Walter Kob   +40 more
core   +1 more source

Fluoride‐Free Adhesives for Low Surface Energy Fluorinated Substrates

Advanced Functional Materials, EarlyView.
A universal, fluoride‐free adhesive achieves a record 4.91 MPa bond strength on PTFE by leveraging amine/amide dipole–dipole interactions, without fluorinated components. This sustainable strategy overcomes the environmental and performance limits of PFAS‐based adhesives, enabling robust, eco‐conscious bonding across diverse materials.
Siqi Zheng, Yifeng Sheng, Shiqian Tan, Yuxuan Sun, Linling Li, He Zhu, Qi Zhang, Shiping Zhu   +7 more
wiley   +1 more source

RELAXATION PHENOMENA AND THE TIME-TEMPERATURE SUPERPOSITION PRINCIPLE

Le Journal de Physique Colloques, 1987
The time-temperature superposition principle, frequently used to describe relaxation phenomena in solids is discussed within the framework of general functions leading to sclaing with translation parallel to the horizontal axis. Finally, the concepts developed are applied to particular functions used in the literature to describe relaxation phenomena ...
Povolo, F., Fontelos, M., Hermida, E.
openaire   +2 more sources

Encoding Magnetic Anisotropies in Digital Light Processing 3D Printing

Advanced Functional Materials, EarlyView.
A hybrid magnetic device—combining a coaxial coil within a nested Halbach array—is presented, integrated into a DLP 3D printer to enable spatially resolved magnetic field control. This system enables complex, multimodal responses by programming liquid crystal elastomer resins for magnetic and thermal actuation, and by inducing electrically conductive ...
Eléonore Aïdonidis, Andrea Cosola, Pierre Bourdon, Hichem Dammak, Marco Sangermano, Frédéric Demoly, Marco Faustini, Amélie Pérot, Didier Lairez, Rakine Mouhoubi, Sébastien Blanquer, Giancarlo Rizza   +11 more
wiley   +1 more source

The accelerated characterization of viscoelastic composite materials [PDF]

Necessary fundamentals relative to composite materials and viscoelasticity are reviewed. The accelerated characterization techniques of time temperature superposition and time temperature stress superposition are described.
Brinson, H. F., Griffith, W. I., Morris, D. H.   +2 more
core   +1 more source