Results 1 to 10 of about 2,709,951 (198)

Advanced Photocatalysts for CO2 Conversion by Severe Plastic Deformation (SPD). [PDF]

open access: yesMaterials (Basel), 2023
Excessive CO2 emission from fossil fuel usage has resulted in global warming and environmental crises. To solve this problem, the photocatalytic conversion of CO2 to CO or useful components is a new strategy that has received significant attention. The main challenge in this regard is exploring photocatalysts with high efficiency for CO2 photoreduction.
Akrami S, Ishihara T, Fuji M, Edalati K.
europepmc   +4 more sources

Effect of microstructural anisotropy on severe plastic deformation during material removal at micrometer length-scales

open access: yesMaterials & Design, 2020
The emergence of shear inhomogeneity across grain boundaries during severe shear deformation in Cu at the micrometer length-scales is demonstrated through in situ imaging inside a scanning electron microscope.
Shan Gong, M. Ravi Shankar
doaj   +1 more source

Semi-Continuous Equal-Channel Angular Extrusion and Rolling of AA5083 and AZ31 Alloys

open access: yesMetals, 2019
This paper describes a new modification of equal-channel angular extrusion for the “pass-by-pass” semi-continuous (sc-ECAE) processing of lightweight alloys.
Vladimir Segal   +4 more
doaj   +1 more source

Severe Plastic Deformation of Nanostructured Cu-30%Zn Tubes at Increased Temperatures [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2017
Severe plastic deformation (SPD) methods were developed for producing of metals and alloys with ultrafine grained (UFG) microstructures having high strength.
V. Tavakoli   +3 more
doaj  

Development of SPD continuous processes for strip and rod production

open access: yesMetalurgija, 2010
Grain refinement upon the severe plastic deformation (SPD) at low temperatures (below the recrystallization temperature) and an unusual improvement the properties of such materials are shown reliably. However, the industrial application is limited due to
S. Dobatkin, J. Zrnik, Ilija Mamuzić
doaj  

Influence of Grain Size and Texture on the Yield Strength of Mg Alloys Processed by Severe Plastic Deformation

open access: yesAdvances in Materials Science and Engineering, 2014
Severe plastic deformation (SPD) has been widely employed to refine the grain size of Mg alloys, with the main objective to improve the strength and ductility of Mg alloys, since the well-known Hall-Petch equation suggests that a decreased grain size ...
Jinbao Lin   +4 more
doaj   +1 more source

The Temperature Effect on Severely Deformed Aluminium by High Pressure Torsion

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2009
The process of deforming materials started to attract the interest of the researchers after the development of the severe plastic deformation techniques.
Carmela GURAU   +5 more
doaj  

Evaluating the flow processes in ultrafine-grained materials at elevated temperatures

open access: yesMaterials Research, 2013
When polycrystalline materials are tested in tension at elevated temperatures, the flow mechanisms depend upon various parameters including the temperature of testing, the applied stress and the material grain size.
Megumi Kawasaki, Terence G. Langdon
doaj  

Formation of ultrafine-grained (UFG) structure and mechanical properties by severe plastic deformation (SPD) [PDF]

open access: yesMetalurgija, 2008
Commercial pure cooper (99,9% Cu) was deformed by equal channel angular pressing (ECAP) using up to 10 passes, route C. The evolution of microstructure and fracture character were observed by OM, SEM and TEM. The mean grain size decreased with increasing
M. Besterci   +4 more
doaj  

Grain Growth during Annealing of Ultrafine-Grained and Nanomaterials

open access: yesУспехи физики металлов
Ultrafine-grained metals and alloys with a submicrocrystalline structure in some cases demonstrate a set of unique properties, for example, high strength and hardness, low-temperature superplasticity at high strain rates, and improved electrical and ...
I.E. Volokitina, T.D. Fedorova, and D.N. Lavrinyuk
doaj   +1 more source

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