Results 111 to 120 of about 937,202 (356)

The Tribological Properties of Multi-Layered Graphene as Additives of PAO2 Oil in Steel–Steel Contacts

open access: yesLubricants, 2016
Multi-layered graphene was prepared by supercritical CO2 exfoliation of graphite. As the additives of polyalphaolefin-2 (PAO2) oil, its tribological properties were investigated using four-ball test method. The friction reduction and anti-wear ability of
Yan-Bao Guo, Si-Wei Zhang
doaj   +1 more source

Rolling-element fatigue lives of AISI 52100 steel balls with several synthetic lubricants [PDF]

open access: yes
Rolling-element fatigue tests were run with three synthetic lubricants with and without antiwear additives and with a paraffinic mineral oil at race temperatures of 336 to 353 K (146 146 to 175 F).
Parker, R. J.
core   +1 more source

Recent Advances of Slip Sensors for Smart Robotics

open access: yesAdvanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang   +8 more
wiley   +1 more source

Synthesis and Tribological Properties of Multifunctional Nitrogen-Containing Heterocyclic Dialkyl Dithiocarbamate Derivatives

open access: yesLubricants
Energy conservation and efficiency enhancement necessitate continuous advancement in the development and preparation of multifunctional, high-performance lubricant additives.
Mengxuan Wang   +5 more
doaj   +1 more source

Alkyl-capped copper oxide nanospheres and nanoprolates for sustainability: water treatment and improved lubricating performance

open access: yesScience and Technology of Advanced Materials, 2019
Metal oxide nanoparticles of different nature have been used in different fields such as therapeutics, biomarkers, tribology or environmental remediation, among others.
Christian Chimeno-Trinchet   +4 more
doaj   +1 more source

Rolling-element fatigue life with two synthetic cycloaliphatic traction fluids [PDF]

open access: yes
The life potential of two synthetic cycloaliphatic hydrocarbon traction fluids in rolling element fatigue was evaluated in a five ball fatigue tester.
Loewenthal, S. H., Parker, R. J.
core   +1 more source

Hydrogel‐Based Functional Materials: Classifications, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Conductive hydrogels have emerged as promising materials for smart wearable devices due to their outstanding flexibility, multifunctionality, and biocompatibility. This review systematically summarizes recent progress in their design strategies, focusing on monomer systems and conductive components, and highlights key multifunctional properties such as
Zeyu Zhang, Zao Cheng, Patrizio Raffa
wiley   +1 more source

A method for simultaneously measuring friction and gap at metal–lubricant interface by combined use of atomic force microscopy and line-and-space patterned metal films

open access: yesFrontiers in Mechanical Engineering
In boundary lubrication, adsorbed molecular films formed by lubricant additives on the metal surfaces of sliding parts effectively reduce friction and wear.
Naoki Yamashita, Tomoko Hirayama
doaj   +1 more source

Wear Behavior of Woven Roving Aramid / Epoxy Composite under Different Conditions

open access: yesInternational Islamic University Malaysia Engineering Journal, 2012
Wear behavior studies of aramid woven roving /epoxy composite has been conducted. Sliding the material against smooth steel counter face under dry and  lubricated with oil conditions has been investigated.
Asad A. Khalid
doaj   +1 more source

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