Results 61 to 70 of about 5,080,543 (255)

Experimentally Determined Spatiotemporal Charge Carrier Dynamics for the Development of Particulate Photocatalysts

open access: yesAdvanced Energy Materials, EarlyView.
This review looks at the different experimental techniques that measure spatiotemporal charge carrier dynamics. This information is viewed in the context of particulate photocatalysts, outlining the insights these techniques provide and how they advance our understanding.
Sutripto Khasnabis, Robert Godin
wiley   +1 more source

From Data to Discovery: Machine Learning–Enabled Intelligent Characterization of Two‐Dimensional Materials

open access: yesAdvanced Intelligent Discovery, EarlyView.
Machine learning serves as a central engine for the intelligent characterization of two‐dimensional materials by integrating multimodal techniques, including optical microscopy, spectroscopy, electron microscopy, and scanning probe microscopy (SPM). This unified framework enables automated, high‐throughput, and quantitative extraction of structural ...
Zhi‐Long Cao, Jia‐Xu Yan
wiley   +1 more source

Surface integrity analysis when milling ultrafine-grained steels [PDF]

open access: yes, 2011
This paper quantifies the effects of milling conditions on surface integrity of ultrafine-grained steels. Cutting speed, feed rate and depth of cut were related to microhardness and microstructure of the workpiece beneath machined surface.
Matsumoto, Hidekasu [UNESP]   +23 more
core   +1 more source

Functionalized TiO2 Catalysts: Revolutionary Candidate for Low‐Temperature MgH2 and Prospects for Intelligent Integration

open access: yesAdvanced Intelligent Discovery, EarlyView.
Recent advances in TiO2 modification strategies: structure regulation and composite engineering for improved activity and functionality. TiO2 has emerged as a pivotal catalyst for enhancing MgH2, a high‐capacity solid‐state hydrogen storage material, owing to its structural versatility.
Xiaopeng Chu   +10 more
wiley   +1 more source

Investigation of the Influence of Modes of Intensive Plastic Deformation on the Process of Grain Refinement of Titanium Alloy Ti-13Nb-13Zr at Equal-Channel Angular Pressing and Subsequent Rotary Forging Compression

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы
Ultrafine-grained materials are currently of great interest due to their excellent mechanical and functional properties. One of the most effective methods to obtain such materials with a unique combination of microstructure and properties is intense ...
A.B. Kengesbekov   +4 more
doaj   +1 more source

Room temperature superplaticity in fine/ultrafine grained materials subjected to severe plastic deformation

open access: yes, 2019
Demirtas, Muhammet/0000-0002-7357-3892Achieving superplasticity at high temperatures and at very low strain rates is considered to be the most important disadvange of superplastic forming processes.
Demirtaş, Muhammet, Pürçek, Gençağa
core   +1 more source

The study of end milling temperature of low-alloy steel in coarse-grained and ultrafine-grained states

open access: yesFrontier Materials & Technologies
The paper presents the results of the study of the end milling temperature of low-alloy steel depending on the cutting modes and the type of crystalline structure. The experiment was carried out on a PROMA FHV-50PD universal milling machine.
Dmitry A. Rastorguev   +2 more
doaj   +1 more source

Mechanical behavior of ultrafine-grained materials under combined static and dynamic loadings

open access: yesEPJ Web of Conferences, 2015
Ultrafine-grained (UFG) materials have extensive prospects for engineering application due to their excellent mechanical properties. However, the grain size decrease reduces their strain hardening ability and makes UFG materials more susceptible to ...
Guo Y.Z.   +4 more
doaj   +1 more source

Sub-scale ballistic testing of an ultrafine grained tungsten alloy into concrete targets

open access: yes, 2015
Ultrafine grained tungsten-based alloys are promising kinetic energy penetrator materials because of their high strengths and densities, making them ideal for penetration into concrete and geomaterials. However, there are difficulties in evaluating their
Christopher A. Schuh   +7 more
core   +1 more source

Small‐Crystal SAPO‐34 Preparation by Regulating Precursor Mixing Temperature for Methanol‐to‐Olefins Conversion

open access: yesCarbon and Hydrogen, EarlyView.
By tuning the initial mixing temperature from 0°C to 80°C, the crystal size of SAPO‐34 can be adjusted from micro to nanoscale, reflecting a shift from classical single‐crystal growth at low temperatures to non‐classical polycrystalline aggregation at high temperatures.
Guanghua Liang   +4 more
wiley   +1 more source

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