Results 81 to 90 of about 9,727 (308)

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

Advanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale, Marie Celine Lefevre, Alessio Carmignani, Maria Cristina Ceccarelli, Matteo Battaglini, Attilio Marino, Gianni Ciofani   +6 more
wiley   +1 more source

Effect of defect length on rolling contact fatigue crack propagation in high strength steel

Fracture and Structural Integrity, 2015
The objective of the present paper is to clarify the effect of defect length in depth direction on rolling contact fatigue (RCF) crack propagation in high strength steel.
T. Makino, Y. Neishi, D. Shiozawa, Y. Neishi, D. Shiozawa, S. Kikuchi, S. Okada, K. Kajiwara, Y. Nakai   +8 more
doaj  

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

In situ observation of rolling contact fatigue cracks by laminography using ultrabright synchrotron radiation

Fracture and Structural Integrity, 2015
In rolling contact fatigue (RCF), cracks usually initiate from inclusions beneath the surface and propagate to the contact surface. In the present study, synchrotron radiation computed laminography (SRCL) imaging was performed to observe flaking defects ...
Y. Nakai, D. Shiozawa, S. Kikuchi, K. Sato, T. Obama   +4 more
doaj  

Investigation on the rolling contact fatigue cracks initiation of subway fixed frogs based on transient dynamics

Railway Engineering Science
The issue of fatigue damage to rails has become increasingly prominent with the rise in subway traffic and speed. The hazardous space of the turnout frog significantly intensifies the dynamic interaction between the vehicle and the frog rail, leading to ...
Zhaoguang Zheng, Zhiguo Dong, Jiayi Hu, Jingmang Xu, Kai Wang, Ping Wang   +5 more
doaj   +1 more source

Explicit-Explicit Sequence Calculation Method for the Wheel/rail Rolling Contact Problem Based on ANSYS/LS-DYNA

MATEC Web of Conferences, 2015
The wheel/rail rolling contact can not only lead to rail fatigue damage but also bring rail corrugation. According to the wheel/rail rolling contact problem, based on the ANSYS/LS-DYNA explicit analysis software, this paper established the finite element
Song Hua, Yang Jian, Du Xinglong, Wang Meng, Li Wei   +4 more
doaj   +1 more source

The effect of material defect orientation on rolling contact fatigue of a ball bearing. [PDF]

Sci Rep, 2023
Ghazanfari Holagh A, Alizadeh Kaklar J.
europepmc   +1 more source

Tribological behaviour of polyalphaolefins: wear and rolling contact fatigue tests

, 2001
Polyalphaolefin fluids are gaining rapid acceptance as high-performance lubricants and functional fluids because they have certain inherent, and highly desirable, characteristics relative to mineral oils.
Hernandez Battez, Antolin, Fernandez Rico, J.E., Garcia Cuervo, D.   +2 more
core  

Flexible Unusual Ternary‐Component Graded‐Modulus Dielectric Films with High‐Density Capacitive Energy Storage

Advanced Science, EarlyView.
Hierarchical PP–LSR107–BaTiO3 nanocomposite films are fabricated by one‐step extrusion and stretching for roll‐to‐roll manufacture, combining high energy storage and processing flexibility. LSR107 surrounds BaTiO3‐rich regions, locating amorphous PP, decreasing defects, and introducing deep traps that homogenize the electric field and suppress charge ...
Yi Gao, Xin‐Jie Wang, Lei Huang, Kun Xing, Baoquan Wan, Yan‐Hui Song, Jian‐Tao Wang, Li‐Juan Yin, Tong Liang, Yan Meng, Zunpeng Feng, Kai Huang, Ke Bi, Shao‐Long Zhong, Zhi‐Min Dang   +14 more
wiley   +1 more source

Geometry and stiffness optimization for switches and crossings, and simulation of material degradation

, 2010
A methodology for simulating wear, rolling contact fatigue, and plastic deformation for a mixed traffic situation in switches and crossings (S&C) has been developed.
Kassa, Elias,, Ekh, Magnus,, Nicklisch, Dirk,, Iwnicki, Simon,, M Ekh, Ekh, Magnus, Ekh, M., Nicklisch, D., J Nielsen, Nielsen, J., E Kassa, S Iwnicki, Iwnicki, S.,, Gebretsadik, Elias Kassa,, Nielsen, Jens,, Nielsen, Jens C. O., Nielsen, Jens, Kassa, Elias, D Nicklisch, Kassa, E., Nicklisch, D.,, Iwnicki, S.   +21 more
core   +1 more source