Results 141 to 150 of about 1,427,571 (361)

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

open access: yesAdvanced 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   +4 more
wiley   +1 more source

Scattering of Rayleigh-waves by surface-breaking cracks: an integral formulation [PDF]

open access: yesGeofísica Internacional, 2007
Several crack configurations are considered in order to show the importance of the cracks’ geometry on the Rayleigh-wave propagation. We use the Indirect Boundary Element Method, this numerical technique is based on an integral representation of the ...
F. J. Sánchez-Sesma   +2 more
doaj  

A Combined X-Ray and Neutron Diffraction Investigation of Mercuric Cyanide. [PDF]

open access: bronze, 1958
J. Hvoslef   +5 more
openalex   +1 more source

The diffraction of sound [PDF]

open access: yesJournal of the Franklin Institute, 1889
n ...
openaire   +2 more sources

Hybrid Framework Materials: Next‐Generation Engineering Materials

open access: yesAdvanced 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   +2 more
wiley   +1 more source

Processamento de imagens: conceitos básicos relacionados com o fenômeno de difração e uso de um computador óptico

open access: yesRevista Brasileira de Ensino de Física
O fenômeno de difração é utilizado em um experimento relacionado à óptica de Fourier com o objetivo de estudar conceitos básicos de processamento de imagens.
N. Carlin   +6 more
doaj   +1 more source

Hard Diffraction in Pythia 8 [PDF]

open access: yesarXiv, 2015
We present an overview of the options for diffraction implemented in the general--purpose event generator Pythia 8. We review the existing model for low-- and high--mass soft diffraction and present a new model for hard diffraction in pp and ppbar collisions.
arxiv  

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

open access: yesAdvanced 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   +9 more
wiley   +1 more source

Exploring the Effect of Polymer Addition to the Room Temperature Synthesis of Colloidal Lead Halide Perovskite for Better Stability, Higher Passivation, and More Uniform Particle Size

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines the incorporation of the polymer BUTVAR during the synthesis of various perovskite structures at room temperature The study demonstrates that the incorporation of the polymer solution enhances the optical characteristics and improves the shape uniformity of the resultant perovskite material without altering the inherent structure of
Elshaimaa Darwish   +4 more
wiley   +1 more source

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