Results 71 to 80 of about 114,337 (308)

Deformation Behavior of La2O3‐Doped Copper during Equal Channel Angular Pressing

Advanced Engineering Materials, EarlyView.
By additions of strengthening elements and/or structure optimization, the mechanical properties of copper can be increased while keeping favorable electric conductivity. By combining addition of La2O3 and processing by equal channel angular pressing, substructure development is achieved, leading to increase in microhardness to more than double the ...
Lenka Kunčická, Josef Walek, Radim Kocich   +2 more
wiley   +1 more source

Beyond Order: Perspectives on Leveraging Machine Learning for Disordered Materials

Advanced Engineering Materials, EarlyView.
This article explores how machine learning (ML) revolutionizes the study and design of disordered materials by uncovering hidden patterns, predicting properties, and optimizing multiscale structures. It highlights key advancements, including generative models, graph neural networks, and hybrid ML‐physics methods, addressing challenges like data ...
Hamidreza Yazdani Sarvestani, Surabhi Nadigotti, Erfan Fatehi, Derek Aranguren van Egmond, Behnam Ashrafi   +4 more
wiley   +1 more source

Haider Kadhim Muhammad Diffraction Efficiency In Case Of Small-Angle for Bragg Diffraction

مجلة علوم ذي قار, 2019
The diffraction efficiency of small- angle Bragg diffraction for three crystals different properties (KRS5, PbMo02, and LiNb03) has been investigated, respectively.
Haider Kadhim
doaj  

High-Efficiency, Broadband, Near Diffraction-Limited, Dielectric Metalens in Ultraviolet Spectrum

Nanomaterials, 2020
Ultraviolet (UV) optical devices have plenteous applications in the fields of nanofabrication, military, medical, sterilization, and others. Traditional optical components utilize gradual phase accumulation phenomena to alter the wave-front of the light,
Saima Kanwal, Jing Wen, Binbin Yu, Dileep Kumar, Xu Chen, Yi Kang, Chunyan Bai, Dawei Zhang   +7 more
doaj   +1 more source

Monitoring and Maintaining Laser Surface Texture Quality Based on Acoustic and Optical Process Emissions during Direct Laser Interference Patterning

Advanced Engineering Materials, EarlyView.
Acoustic emissions during direct laser interference patterning are shown to strongly correlate with surface texture depth. By implementing a closed‐loop control system utilizing acoustic feedback, consistent microstructures with uniform depth are achieved despite laser power fluctuations.
Tobias Steege, Frederic Schell, Adrian Belkin, Christoph Zwahr, Andrés F. Lasagni   +4 more
wiley   +1 more source

Considering Grayscale Process and Material Properties for Robust Multilevel Diffractive Flat Optics

Photonics
Arbitrarily designed flat optics directly manipulate the light wavefront to reproduce complex optical functions, enabling more compact optical assemblies and microsystem integration.
Diogo E. Aguiam, Ana Dias, Manuel J. L. F. Rodrigues, Aamod Shanker, Filipe Camarneiro, Joana D. Santos, Pablo Valentim, Joao Cunha, Patrícia C. Sousa   +8 more
doaj   +1 more source

Diffraction Efficiency Adjustment to Record High Quality Color Holograms

Ingeniería y Ciencia, 2015
In this article, we report the experimental values of required exposure to obtain the maximum diffraction efficiencies in PFG-03C Slavich film on independent recordings and RGB multiplexed recordings.
D Velásquez, L M Giraldo
doaj   +1 more source

Hybrid Framework Materials: Next‐Generation Engineering Materials

Advanced Engineering Materials, EarlyView.
Hybrid organic–inorganic materials merge the unique properties of organic and inorganic compounds, enabling applications in optoelectronics, gas storage, and catalysis. This review explores metal‐organic frameworks, hybrid organic–inorganic perovskites, and the emerging field of hybrid glasses, emphasizing their structures, functionalities, and ...
Jay McCarron, Bethan Turner, Lauren N. McHugh   +2 more
wiley   +1 more source

Influence of a Hydrogen Addition to the Inert Gas and Subsequent Heat Treatments on the Microstructure and Mechanical Properties of Magnesium WE43 Fabricated by PBF‐LB/M

Advanced Engineering Materials, EarlyView.
This article investigates optimal processing conditions for the laser‐based powder bed fusion of WE43. To limit the interaction with remaining oxygen, a 3 vol% hydrogen admixture to the inert gas is investigated. Furthermore, heat treatments are investigated in the range of 250–350 °C for 48 h.
Arvid Abel, Elmar Jonas Breitbach, Hannes Holländer, Michael Müller, Tjorben Griemsmann, Christian Klose, Jörg Hermsdorf, Hans Jürgen Maier, Stefan Kaierle, Ludger Overmeyer   +9 more
wiley   +1 more source

A Study on Length Traceability and Diffraction Efficiency of Chromium Gratings

Photonics
Measurement traceability is a prerequisite for achieving accurate and reliable results as well as technical standardization. The period of Chromium (Cr) gratings fabricated by atomic lithography can be directly traced back to natural constants.
Lihua Lei, Lijie Liang, Liqin Liu, Yaoqiong Shen, Yuqing Guan, Yujie Zhang, Wenzhe Zou, Chuangwei Guo, Yunxia Fu   +8 more
doaj   +1 more source