Results 61 to 70 of about 14,560 (264)

A multi-contact model to study the dynamic stick-slip and creep in mechanical frictional pair

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2020
The original Iwan-type model is always based on the quasi-static assumption, which neglects the dynamic properties of the frictional interface. In this paper, A Iwan-type multi-contact model is established to study dynamic stick-slip and creep in ...
Xiaoyu YAN, Wei WANG, Xiaojun LIU, Jimin XU, Daogao WEI, Kun LIU   +5 more
doaj   +1 more source

Temperature Dependence of the Static Friction Coefficient of Common Recyclable Polymers

Journal of Undergraduate Reports in Physics, 2023
According to the classical adhesion explanation for the phenomenon of friction, the friction coefficient between two surfaces is defined as the ratio between the horizontal friction force exerted on each surface and the perpendicular normal force between each surface.
openaire   +1 more source

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

Advanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu, Camilla Mussoni, Mateo S. Andrade Mier, Paula Buettner, Nathaly Chicaiza‐Cabezas, Yi‐Yu Robin Dai, Jessica Faber, Maren Fiedler, Zan Lamberger, Xuen Jen Ng, Vanessa Moessler, Anna Rederer, Jonas Roeder, Sabrina Stecher, Katinka Theis, Jeanette Weigelt, Silvia Budday, Gregor Lang, Natascha Schaefer   +18 more
wiley   +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, Samiha Ahmed, Majed Othman Althumayri, Megan Guy, Darlenne Chavez Lugo, Frances S. Ligler, George T. Ligler, Rahmi Oklu, Hiroshi Kawahira, Michael J. McShane, Jun Kameoka, Jonathan Bova, Hatice Ceylan Koydemir   +12 more
wiley   +1 more source

Static and dynamic friction coefficients in DEM simulations of viscoelastic particles

Chaos: An Interdisciplinary Journal of Nonlinear Science
Whereas the elastic Hertzian contact force with nonlinear damping gives rise to the overlap dynamics in the discrete element method, the precise physical meaning of tangential springs representing solid friction has remained obscure. Moreover, the well-known difference between the static and the sliding friction coefficient has often been ignored.
Dietrich E. Wolf, Florian Führer, Lothar Brendel   +2 more
openaire   +3 more sources

Ti6Al4V‐Bioglass‐Copper Composites for Load‐Bearing Implants

Advanced Healthcare Materials, EarlyView.
We have designed and manufactured a novel Ti64‐based composite by adding 45S5 bioglass (BG) and copper (Cu). Adding BG on titanium improves wear resistance and biocompatibility, whereas Cu addition improves mechanical strength while providing inherent lifelong bacterial resistance.
Lochan Upadhayay, Bryson White, Susmita Bose, Amit Bandyopadhyay   +3 more
wiley   +1 more source

Dynamic Effects of the Underground Squat Silo during Symmetic Discharging with Different Static Friction Coefficients

Liang you shipin ke-ji
Underground squat silos can utilize shallow geothermal energy to realize natural quasi-low temperature storage to ensure the grain quality, which is a suitable warehouse for green grain storage. A combined approach of numerical simulation and theoretical
JIN Li-bing, ZHANG Jing-jin, WANG Xu, ZHU Dou-dou, LIU Yue-fang   +4 more
doaj   +1 more source

Injectable Stimuli‐Responsive Amphiphilic Hydrogel for Rapid Hemostasis, Robust Tissue Adhesion, and Controlled Drug Delivery in Trauma and Surgical Care

Advanced Healthcare Materials, EarlyView.
Fast‐acting hydrogel seals bleeding wounds as the illustrated injectable, pH‐responsive network rapidly gels in situ to stop hemorrhage, adhere strongly to wet tissue, and release antibiotics in a controlled, pH‐dependent manner. The material withstands high pressures, shows excellent biocompatibility, and degrades safely, offering a versatile platform
Arvind K. Singh Chandel, Runali Patil, Abrar Ali Khan, Deeksha Pandit, Kaushik Chatterjee, Maurice N. Collins   +5 more
wiley   +1 more source

Thermo‐Fluorescent Bactericidal Quantum Dots Based Smart Multifunctional Textiles via Molecular Surface Engineering and 3D‐Printed Interlocked Architectures

Advanced Healthcare Materials, EarlyView.
A versatile approach is presented for fabricating smart multifunctional textiles by integrating thermo‐fluorescent carbon dot/polymer nanocomposite coatings with 3D‐printed interlocked architectures. The fabrics exhibit temperature‐responsive fluorescence, durable hydrophobicity, strong antibacterial and antioxidant activity, and enhanced UV protection.
Poushali Das, Sayan Ganguly, Parham Khoshbakht Marvi, Misha Muthalali, Fatemeh Parniani, Shiza Hassan, Xiaowu (Shirley) Tang, Seshasai Srinivasan, Amin Reza Rajabzadeh   +8 more
wiley   +1 more source

Effects of Microscale Texture on the Tribological Behavior of Paper-Based Friction Materials for a Wet Clutch

Tribology Online, 2015
Paper-based friction materials used for wet clutches in automatic transmissions require various tribological functions such as a high and stable friction coefficient, good μ-V (friction coefficient-sliding velocity) characteristics, heat resistance ...
Shintaro Yagi, Nobuyuki Katayama, Hiroaki Hasegawa, Hiroshi Matsushita, Shin-ichiro Okihara   +4 more
doaj   +1 more source