Results 151 to 160 of about 370,976 (329)

The Management of the Industrial Maintenance at the International Level (I) [PDF]

open access: yes
When defining a maintenance policy, it must be held in mind the fact that there isn’t such a thing like “good maintenance policy” in itself; instead, for each industrial equipment should be adapted a particular maintenance method, coming to a technical ...
Constantin BAGU   +4 more
core  

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

open access: yesAdvanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi   +3 more
wiley   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

The Effect of Exhaust Gas Recirculation (EGR) on the Emission of a Single Cylinder Spark Ignition Engine

open access: yesTikrit Journal of Engineering Sciences, 2016
A single cylinder variable compression ratio spark ignition engine type PRODIT was used in this study. The experiments were conducted with gasoline fuel (80 octane No.)at equivalence ratio (Ø =1).
Limyaa M. Asaad   +2 more
doaj  

Endogenous structural change and climate targets. [PDF]

open access: yes
This paper envisages endogenous technical change as resulting from the interplay between the economic growth engine, consumption, technology and localization patterns.
Jean-Charles Hourcade   +2 more
core  

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo   +3 more
wiley   +1 more source

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