Results 91 to 100 of about 26,103 (305)

Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann   +3 more
wiley   +1 more source

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz   +4 more
wiley   +1 more source

Aerodynamics of vortex generators [PDF]

open access: yes
An experimental and theoretical study was undertaken of the separation delay and dramatic boundary-layer thinning that can occur in vortex-generator installations.
Breidenthal, Robert E., Jr.   +1 more
core   +1 more source

Correlations between Abelian Monopoles and center vortices

open access: yes, 2017
We study the correlations between center vortices and Abelian monopoles for SU($3$) gauge group. Combining fractional fluxes of monopoles, center vortex fluxes are constructed in the thick center vortex model.
Deldar, Sedigheh   +1 more
core   +2 more sources

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller   +8 more
wiley   +1 more source

An experimental investigation of S-duct flow control using arrays of low-profile vortex generators [PDF]

open access: yes
An experimental investigation was undertaken to measure the effect of various configurations of low-profile vortex generator arrays on the flow in a diffusing S-duct.
Reichert, Bruce A., Wendt, Bruce J.
core   +1 more source

Flow Control Over a Tractor-Trailer Using Vortex Generators [PDF]

open access: yes, 2016
No abstract ...
Kontis, Konstantinos, Lo, Kin Hing
core  

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Design and Development of Vortex Generators on Cylindrical Tower

open access: yesModelling and Simulation in Engineering
This work presents a numerical study on flow configurations and pressure distribution of cylindrical towers attached with different shapes of vortex generators.
Amnart Boonloi   +2 more
doaj   +1 more source

Flat-plate drag measurements with vortex generators in turbulent boundary layer [PDF]

open access: yes
Direct drag measurements were obtained on a flat plate with a spanwise row of vortex generators near the leading edge, to produce an array of stream wise vortices within the approaching turbulent boundary layer.
Mehrotra, S. C., Rao, D. M.
core   +1 more source

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