Results 91 to 100 of about 139,319 (359)

A Non‐Reciprocal Architected Porous Medium

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT In several fluid flow, energy‐dumping, and energy‐harvesting applications, a dominant flow direction or dominant resistance direction is desirable. In this study, we propose a simple modular geometry that doubles flow resistance in one direction relative to the opposite direction, while maintaining laminar viscous flow.
Clément Vezies   +2 more
wiley   +1 more source

Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel

open access: yesMechanical Engineering Journal, 2018
Galling and wear have been a tribology problem in sheet metal forming of stainless steel. Although lubrication oil with chlorinated extreme pressure (EP) additives have been used, environmental and safety issues have demanded not to use chlorinated EP ...
Tomohiro TAKAKI   +2 more
doaj   +1 more source

Lubricant rheology applied to elastohydrodynamic lubrication [PDF]

open access: yes
Viscosity measurements in a high pressure rheometer, elastohydrodynamic simulator studies (including the development of a temperature measuring technique), and analytical fluid modeling for elastohydrodynamic contacts are described.
Sanborn, D. M., Winer, W. O.
core   +1 more source

Lubricant Coatings for Mobile Dry Drilling of Stacked Aluminium Alloys [PDF]

open access: green, 2021
Siti Rozakiyah Assurin Hassan   +9 more
openalex   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi   +3 more
wiley   +1 more source

Exhaust Emissions and Physicochemical Properties of n-Butanol/Diesel Blends with 2-Ethylhexyl Nitrate (EHN) or Hydrotreated Used Cooking Oil (HUCO) as Cetane Improvers

open access: yesEnergies, 2018
Currently, n-butanol is a promising oxygenate (potentially of renewable origin) to be used in blends with conventional diesel fuel in compression ignition engines.
Iraklis Zahos-Siagos   +2 more
doaj   +1 more source

Encapsulating Ibuprofen using Beeswax Microspheres [PDF]

open access: yes, 2016
Beeswax is extremely versatile, often used in candles, lubricants. This compound is readily available and is not very expensive.
Martinez-Hernandez, Kermin, To, Chau
core   +2 more sources

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

open access: yesAdvanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou   +4 more
wiley   +1 more source

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