Results 41 to 50 of about 10,227 (256)

Dual sided composite formation in Al 6061/B4C using novel bobbin tool friction stir processing

open access: yesJournal of Materials Research and Technology, 2021
A novel material processing approach using the bobbin tool technique called bobbin tool friction stir processing (BTFSP) was developed to simultaneously fabricate two-side composites.
Kishan Fuse   +3 more
doaj   +1 more source

Influence of processing temperature on microstructure and microhardness of copper subjected to high-pressure torsion

open access: yes, 2010
Cu samples were subjected to high-pressure torsion (HPT) with up to 6 turns at room temperature (RT) and liquid nitrogen temperature (LNT), respectively. The effects of temperature on grain refinement and microhardness variation were investigated.
武晓雷   +4 more
core   +1 more source

Synergistic optimization of microstructures and properties of electrodeposited Ni–CeO2 composite coatings with CeO2 microparticles and CeO2 nanoparticles

open access: yesJournal of Materials Research and Technology
The synergistic mechanism of microparticles and nanoparticles on optimizing microstructures homogeneity and enhancing microhardness and corrosion resistance of mixed coatings was deeply researched by co-electrodepositing CeO2 microparticles and CeO2 ...
Shuxin You, Shilong Xing, Chuanhai Jiang
doaj   +1 more source

Synthesis and Studying SomeMechanical Properties of Nanocomposite [PDF]

open access: yesEngineering and Technology Journal, 2013
This study aims to synthesis a nanocomposite from Al2O3 – Cr2O3 and studying some of its mechanical properties like microhardness and fracture strength. X-Ray diffraction patterns shows a good crystallinity of the composite with very sharp and neat peaks.
Fadhil A. Chyad   +2 more
doaj   +1 more source

Fabrication of AZ31/CNT Surface Nano-Composite by Double-Pass Friction Stir Processing

open access: yesArchives of Metallurgy and Materials, 2017
Double-pass Friction Stir Processing (FSP) was applied to fabricate an AZ31/CNT nano-composite for surface hardening of lightweight structural components.
Kim Jae-Yeon   +5 more
doaj   +1 more source

The effects of smoothies on enamel erosion: an in situ study [PDF]

open access: yes, 2012
Aims: To measure, in vitro, the pH and titratable acidity (TA) of various soft drinks and to assess the effect of smoothies on erosive tooth surface loss of enamel following a 21-day pH cycling protocol using an in situ model. Methods: The inherent pH of
Ali, Hanein
core  

Microhardness of ?ompacted thermally expanded graphite

open access: yes, 2019
Using the method of continuous microindentation with different loading on the indenter, the microhardness of compacted thermo-expanded graphite (TEG) samples of different dispersion was studied.
Melnichenko, M. M.   +4 more
core   +1 more source

Characterization of Aluminized Layers on Inconel‐738 Alloy: Microstructure, Modeling of Aluminizing Kinetics, and Thermal Behavior

open access: yesAdvanced Engineering Materials, EarlyView.
This study explored how effective nickel aluminide coatings are obtained in providing oxidation resistance applied to the Inconel 738 alloy, modeling with diffusion models. In the present study, kinetics and thermal behavior of the Inconel 738 alloy were studied by the low‐temperature thermoreactive aluminizing process, which was carried out at 625°C ...
Gozde Celebi Efe   +4 more
wiley   +1 more source

Preparation and Properties of Nanocomposite Coatings by Pulsed Current-Jet Electrodeposition

open access: yesInternational Journal of Electrochemical Science, 2017
To improve the surface quality and properties of nanocomposite coatings, a method using pulsed current-jet electrodeposition was adopted to prepare Ni-Al2O3 nanocomposite coatings.
Kailin Zhao   +4 more
doaj   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

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