Results 71 to 80 of about 1,756,460 (284)

Dry friction of microstructured polymer surfaces inspired by snake skin

open access: yesBeilstein Journal of Nanotechnology, 2014
The microstructure investigated in this study was inspired by the anisotropic microornamentation of scales from the ventral body side of the California King Snake (Lampropeltis getula californiae).
Martina J. Baum   +3 more
doaj   +1 more source

Experimental Evaluation of Brake Pad Material Propensity to Stick-Slip and Groan Noise Emission

open access: yesLubricants, 2018
Frictional and dynamic responses of brake pad materials, when sliding on brake disc counterfaces, are at the origin of noise, vibration and harshness (NVH) issues such as brake noise emissions.
Alessandro Lazzari   +5 more
doaj   +1 more source

Bio‐Inspired Multifunctional Superhydrophilic Coatings With Remarkably Fast Self‐Healing Abilities

open access: yesAdvanced Functional Materials, EarlyView.
We developed bio‐inspired multifunctional hydrogel‐based coatings that exhibit extremely fast/repeatable self‐healing abilities, long‐lasting anti‐fogging performance, superhydrophilicity in air, and underwater superoleophobicity. By doping multivalent metal‐ions into the hydrogel networks, which promoted hydrogen bonding formation and enhanced the ...
Hyeonjin Kim   +5 more
wiley   +1 more source

Modeling of contact interaction and wear of the trolleybus contact insert-wire tribopair

open access: yesПроблеми трибології
The article presents the results of numerical modeling of the contact interaction of the tribopair "contact insert - contact wire" of a trolleybus using the Ansys software environment.
K.E. Holenko, O.S Kovtun, O.V. Dykha
doaj   +1 more source

Coupled principles for computational frictional contact mechanics:

open access: yes, 2009
Methods for simulating frictional contact response are in high demand in robotics, graphics, biomechanics, structural engineering, and many other fields where the accurate modeling of interactions between solids are required.
Kaufman, Daniel M., 1972-
core   +1 more source

Beyond Thin Film Limits—Superhard and Hydrogen‐Free Amorphous Carbon Coatings With Over 100 µm Thickness

open access: yesAdvanced Functional Materials, EarlyView.
For the first time, an extreme‐thick laser‐arc PVD ta‐C (DLC) coating exceeding 100 µm is demonstrated, opening up new possibilities for ultra‐high load bearing capacity. This superhard amorphous carbon architecture combines >50% sp3 bonding, robust adhesion and self‐supporting performance, shielding substrates from plastic flow under extreme contact ...
Martin Zawischa   +3 more
wiley   +1 more source

A unified approach to unbiased frictional contact modelling from first-order to higher-order finite elements

open access: yes
Contact modelling is a critical part of simulations used in the design and development of complex engineering systems, as contact is the principal method of force transmission between solids.
Sahu, Indrajeet
core   +1 more source

Silicone Breast Implants as a Model System for Understanding Polymer Permeation in Soft Materials In Vivo

open access: yesAdvanced Healthcare Materials, EarlyView.
Silicone breast implants are presented as a model system for understanding polymer permeation in vivo. Rather than representing material failure, “gel bleed” emerges from solution–diffusion transport‐mediated. By integrating polymer architecture, physicochemical transport, and biointerfacial processes, this review provides a unified framework that ...
D. Bouyer   +12 more
wiley   +1 more source

Optical Detection of Cellular Signals at Material Interfaces

open access: yesAdvanced Healthcare Materials, EarlyView.
Emerging functional materials are transforming optical detection of cellular signals. This review highlights optical techniques that exploit the unique optical properties of diverse materials to detect and quantify cellular electrical, chemical, and mechanical signals, and discusses key opportunities and challenges.
Xuchen Ren   +5 more
wiley   +1 more source

Evaluation of heat localization behaviour on brake disk rubbing surface (Proposal of reproducing surface temperature by FEM analysis)

open access: yesNihon Kikai Gakkai ronbunshu, 2017
Frictional heat is generated on the rubbing surface and various types of thermal localization occur during sliding contact in braking on disk and pad surfaces.
Yuiko SAKAYAMA   +5 more
doaj   +1 more source

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