Results 111 to 120 of about 1,276,820 (302)

Demo 03-02 Static vs. Sliding Friction

open access: yes, 2001
This demonstration shows that the coefficient of static friction is greater than the coefficient of dynamic or sliding friction for the same two surfaces.

core  

Fiber‐Format Flexible Linear Electrostatic Motors

open access: yesAdvanced Materials, EarlyView.
A flexible coaxial fibre‐format electrostatic motor enables backdrivable and reversible linear actuation with high force density and functionality under bending, offering a scalable actuation platform for soft and wearable robotics. ABSTRACT Linear motion is fundamental to robotics, yet existing solutions are either rigid electromagnetic motors or ...
Sylvain Schaller, Herbert Shea
wiley   +1 more source

Tribological characteristics of compacted graphite cast iron in dry sliding condition [PDF]

open access: yesChina Foundry, 2006
The dry sliding wear and friction behaviors of compacted graphite cast iron (C. G. iron) were analyzed. The influence of the operating conditions (i.e.
CHEN Yue   +2 more
doaj  

Omnidirectional Manipulation of Microparticles on a Platform Subjected to Circular Motion Applying Dynamic Dry Friction Control. [PDF]

open access: yesMicromachines (Basel), 2022
Kilikevičius S   +4 more
europepmc   +1 more source

Pressurized environments directly influence friction and wear of dry steel contacts - Investigations in a novel high fluid pressure tribometer

open access: yes
15991617To reduce the usage of classical lubricants in deep drawing, a new tribological system based on volatile lubricants was developed. Therefore, a volatile medium is injected under high pressure into the interstice between drawing tool and sheet ...
Reichle, Paul   +3 more
core   +1 more source

Improved numerical approximation of dry friction phenomena [PDF]

open access: yes, 2017
In the numerical investigation of vibration problems with dry friction it is accepted to use some type of approximation to this phenomenon. Often linear variation of the force of friction in a region around zero velocity is assumed.
L. Ragulskis   +9 more
core   +1 more source

Seamless Mechanical Programming Through Hybrid Epoxy–Acrylate Printing for Soft–Rigid Robots

open access: yesAdvanced Materials, EarlyView.
Hybrid epoxy‐acrylate printing enables seamless fabrication of soft–rigid robotic systems with covalently integrated interfaces and functionally graded mechanics. Grayscale exposure expands the accessible material space, enabling spatially programmed actuation through patterned stiffness while revealing the mechanics and durability of continuously ...
David C. Bershadsky   +3 more
wiley   +1 more source

Blade couple with dry friction connection

open access: yesApplied and Computational Mechanics, 2015
Vibration of a blade couple damped by a dry friction contact in the shroud is investigated by means of hysteresis loops and response curves analysis. The studied system is excited by one harmonic external force in a frequency range near to the lowest ...
Půst L., Pešek L., Radolfová A.
doaj  

Advances in Bio‐Integrated Edge Computing Systems for Smart and Connected Health

open access: yesAdvanced Materials, EarlyView.
This review explores advances in bio‐integrated edge computing for healthcare, focusing on co‐designing computing, sensing, and energy strategies to overcome integration and power challenges for optimized, decentralized operation. ABSTRACT Recent advances in bio‐integrated healthcare technologies have enabled continuous, high‐resolution monitoring and ...
Gyuwon Kim   +4 more
wiley   +1 more source

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