Results 31 to 40 of about 5,991 (255)
Вестник Научно-исследовательского института железнодорожного транспорта, 2019 The development of the methods for modeling the processes of accumulation of the rolling contact fatigue damage and wear of the wheels of the railway rolling stock and the rails is particularly relevant due to the increase in the number of damage in the ...
V. I. Sakalo, A. V. Sakalo
doaj +1 more source
Advanced Functional Materials, EarlyView.MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler +3 more
wiley +1 more source
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2008 Rolling contact fatigue testing of rolling elements with low saturation temperature lubricants result, in several difficulties. Mainly, uncontrolled phase changes due to flow dynamics often cause difficulties in assessing the lubricant effect on fatigue ...
Balamurugan KARUNAMURTHY, Mark HADFIELD
doaj
Nihon Kikai Gakkai ronbunshu, 2015 Design for pitting (surface crack initiated rolling fatigue wear) at rolling-sliding contact surface under mixed lubrication condition is based on the combination of maximum contact pressure (Hertzian stress) and lubrication condition (ratio of surface ...
Susumu MATSUMOTO
doaj +1 more source
Smart Catheters for Diagnosis, Monitoring, and Therapy
Advanced Healthcare Materials, EarlyView.This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman +12 more
wiley +1 more source
Deployable 3D‐Printed Vascular Stent with Surface‐Catalysed Endogenous Nitric Oxide Generation
Advanced Materials, EarlyView.A deployable 3D‐printed vascular stent was fabricated with surface‐catalyzed endogenous nitric oxide generation, representing a promising new direction for stent development. The stent can be remotely controlled by magnetic force in its compressed state and fully deployed at the target site using an untethered heat source, potentially eliminating the ...
Kun Zhou +8 more
wiley +1 more source
Modeling and Accelerated Tests under Rolling Friction and Mechano-Rolling Fatigue
Механика машин, механизмов и материаловModelling principles and methods of laboratory accelerated tests of friction pairs and active systems in rolling and mechano-rolling fatigue are discussed in the paper.
Alexander V. Bogdanovich +2 more
doaj +1 more source
Advanced Materials Interfaces, EarlyView.PEDOT:PSS‐coated 3DP microstructures are introduced to realize TENGs with enhanced mechanical compliance and high electrical performance. Among the investigated geometries, arch‐shaped microstructures exhibit superior fatigue resistance due to their spring‐like behavior, enabling efficient stress distribution, stable contact evolution, and sustained ...
Mariam E. Alhosani +9 more
wiley +1 more source
Rail steel contact fatigue curves
Вестник Научно-исследовательского института железнодорожного транспортаIntroduction. The problem of contact fatigue damage of rails has become especially urgent with the intensified railway freight load. An effective method of studying various damage factors is mathematical simulation of the dynamics of motion and ...
V. I. Sakalo, A. V. Sakalo
doaj +1 more source
Advances in Mechanical Engineering, 2019 The laser shock peening effect and its influence on rolling contact fatigue of ferrite–pearlite steel were investigated experimentally. Microhardness on the steel surface is increased after laser shock treatment.
Yang Zhang, Qinglin Lian, Xi Wang
doaj +1 more source