Results 131 to 140 of about 264,735 (274)

Optimizing Post Friction Stir Welding Heat Treatment in Dissimilar Friction Stir Welded 6061/AlSi10MgMn Joints for Electrical Vehicle Battery Housing

open access: yesAdvanced Engineering Materials, EarlyView.
Microstructural evolution and hardness optimization along the cross‐section of friction stir welded AA6061/AlSi10MgMn joints, for electric vehicle battery housings, were investigated. Postweld aging between 170°C and 220°C enhances hardness uniformity within the nugget zone.
Emanuele Ghio, Emanuela Cerri
wiley   +1 more source

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel   +6 more
wiley   +1 more source

Analysis of Gloss Unevenness and Bidirectional Reflectance Distribution Function in Specular Reflection

open access: yesJournal of Imaging
Gloss is associated significantly with material appearance, and observers often focus on gloss unevenness. Gloss unevenness is the intensity distribution of reflected light observed within a highlight area, that is, the variability. However, it cannot be
So Nakamura   +4 more
doaj   +1 more source

Laser Metal Deposition of Aluminum Alloys 7075 and 5083 with the Addition of Volatile Alloying Elements through Powder Blending

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser metal deposition of aluminum alloys EN AW‐7075 and EN AW‐5083, using powder blending to compensate zinc and magnesium evaporation. In situ alloying and ex situ alloying with ZnAl12 and AZ91 preserve near‐standard compositions and improve mechanical properties.
Finn Bendixen   +3 more
wiley   +1 more source

Effect of mutual coupling and antenna correlation on MIMO system in three-dimensional spatial channel models

open access: yesTongxin xuebao, 2012
A channel model for frequency nonselective Rayleigh fading MIMO channel was set up and the channel model setting was extended to three-dimensional space.The mutual coupling between antenna elements was analyzed based on the equivalent network model of ...
Jie ZHOU   +3 more
doaj   +2 more sources

COMPARISON OF OPPORTUNITIES OF LARGE-ORBIT gyro-TWT AND peniotron ON MODE H41

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2019
The results of the comparison in terms of efficiency, the band gain, the gain and the initial angular spread of the electron velocities for large-orbit gyro-TWT and peniotron amplifier are given.
S. V. Kolosov
doaj  

Wide-spectral-band Nuller Insensitive to Finite Stellar Angular Diameter with a One-dimensional Diffraction-limited Coronagraph

open access: yesThe Astronomical Journal
Potentially habitable planets around nearby stars less massive than solar-type stars could join targets of the spectroscopy of the planetary reflected light with future space telescopes.
Satoshi Itoh   +2 more
doaj   +1 more source

Measurement-Based Prediction of mmWave Channel Parameters Using Deep Learning and Point Cloud

open access: yesIEEE Open Journal of Vehicular Technology
Millimeter-wave (MmWave) channel characteristics are quite different from sub-6 GHz frequency bands. The major differences include higher path loss and sparser multipath components (MPCs), resulting in more significant time-varying characteristics in ...
Hang Mi   +8 more
doaj   +1 more source

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