Results 31 to 40 of about 115,045 (334)

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar   +6 more
wiley   +1 more source

Small hydraulic turbine drives [PDF]

open access: yes, 1970
Turbine, driven by the fluid being pumped, requires no external controls, is completely integrated into the flow system, and has bearings which utilize the main fluid for lubrication and cooling. Torque capabilities compare favorably with those developed
Rostafinski, W. A.
core   +1 more source

The effect of an organic pentasulfide EP additive in turning and milling operations [PDF]

open access: yes, 2014
Coopération avec Ecole Centrale LyonBecause a cutting fluid could be equally used for different cutting operations, this study proposed to investigate the behavior of a well-known extreme-pressure additive (pentasulfide) in both turning and milling ...
BIERLA, Aleksandra   +4 more
core   +4 more sources

Investigating the Effects of Build Height on Mechanical Behavior of Large‐Scale Laser Wire Directed Energy Deposited Nickel Titanium Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
Laser wire directed energy deposition process was leveraged to fabricate large scale NiTi alloy wall. Evaluation of build‐height‐dependent tribo‐mechanical properties revealed significant differences in location specific sample characteristics. The middle region achieved optimal performance (superior wear resistance, balanced strength‐ductility ...
Hyunsuk Choi   +5 more
wiley   +1 more source

Determining the Pressure Losses in the Main Oil Line and Injectors of the Lubrication System of Diesel Engines of Heavy Vehicles: Numerical Simulation

open access: yesМеханика машин, механизмов и материалов
This article presents the results that have provided a methodical basis for designing a digital twins of the main oil line and injectors of the lubrication system of a diesel engine.
Andrei D. Chorny   +5 more
doaj   +1 more source

Dynamic Modeling and Analysis of Involute Spur Gear Transmission System Considering Friction and Multi-State Meshing Conditions

open access: yesXibei Gongye Daxue Xuebao, 2020
A dynamic model for an involute spur gear system involving multi-state mesh and friction is formulated to analyze the dynamic response and meshing state property under different lubrication conditions, such as an elastohydrodynamic and mixed lubrications

doaj   +1 more source

Active elastohydrodynamics of vesicles in narrow, blind constrictions [PDF]

open access: yes, 2017
Fluid-resistance limited transport of vesicles through narrow constrictions is a recurring theme in many biological and engineering applications. Inspired by the motor-driven movement of soft membrane-bound vesicles into closed neuronal dendritic spines,
Fai, Thomas G.   +4 more
core   +4 more sources

Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud   +7 more
wiley   +1 more source

Hydrodynamic and Thermal Processes in the Oil Cooler of the Lubrication System of Diesel Engines: Numerical Simulation

open access: yesМеханика машин, механизмов и материалов
This article presents the results that serve as a methodological basis for creating a digital twin of an oil cooler in a diesel engine lubrication system.
Igor A. Popov   +7 more
doaj   +1 more source

EXCAVATOR GROUP LUBRICATION SYSTEM LUBRICATOR WITH PNEUMATIC DRIVE

open access: yesModern Technologies and Scientific and Technological Progress, 2023
A group lubrication system of mechanical components for a walking excavator is proposed, the original design of a lubricator with a pneumatic drive and a controlled electro-magnetic valve is ...
Oleg Arsent'ev, Ivan Vlasenko
openaire   +1 more source

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