Results 81 to 90 of about 1,211,649 (237)

Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao   +2 more
wiley   +1 more source

Review of particle physics

open access: yes, 2004
This biennial Review summarizes much of Particle Physics. Using data from previous editions, plus 1726 new measurements from 512 papers, we list, evaluate, and average measured properties of gauge bosons, leptons, quarks, mesons, and baryons.
Particle Data Group, Particle Data Grp
core   +1 more source

Validation Of Established Methods For Determination Of Fine Particle Breakage [PDF]

open access: yes, 2017
The objective of the study is to validate two methods which have already been establish to study the breakage behaviour of materials and study the effect of particle size on the breakage of particles.
Rashid, Noor Adilah
core   +1 more source

The relationship between particle strength and particle breakage in loaded gravels

open access: yesEPJ Web of Conferences, 2017
The particle breakage behaviour of coarse grains during shearing of a gravelly granular assemblage changes in accordance with the magnitude of the confining stress acting on the assemblage.
Fityus Stephen, Simmons John
doaj   +1 more source

Influence of fines on the compression behaviour of decomposed volcanic rocks

open access: yesInternational Journal of Geo-Engineering, 2019
The compression behaviour of mixtures of sand with fines derived from decomposed volcanic rocks has been investigated in details. Oedometer tests were carried out on the samples of different degrees of weathering.
Ismail Adeniyi Okewale
doaj   +1 more source

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi   +3 more
wiley   +1 more source

Investigation of single particle breakage under different particle arrangements

open access: yes, 2023
Compression of particles to a fixed final gap is the mode of application of stresses in many crushing devices. The present work is based on detailed compression tests conducted with a polymetallic ore to different deformation ratios to characterize the ...
Andersson, Caroline   +4 more
core  

Research on Confined Compression and Breakage Behaviour as Well as Stress Evolution of Rice Under Framework of Cohesion Zone Model

open access: yesAgriculture
Agricultural materials frequently undergo fragmentation due to high-stress conditions during processing, storage, and transportation. Throughout these processes, the spatial arrangement and morphology of particles continuously evolve, rendering the ...
Xianle Li   +6 more
doaj   +1 more source

Machine Learning‐Supported Analysis for Predicting and Visualizing Nonlinear Relationships Between Material Properties in Electroplated Chromium Layers

open access: yesAdvanced Engineering Materials, EarlyView.
This study applies machine learning regression to predict chromium layer thickness in decorative trivalent chromium electroplating, using 441 experiments from laboratory‐scale (1L) and pilot‐scale (14L) setups. Tree‐based models, particularly CatBoost, outperformed linear regression by capturing nonlinear parameter interactions (R2$R^2$ up to 0.77 ...
Christoph Baumer   +4 more
wiley   +1 more source

Modelling the kinetics of aggregate breakage using improved breakage kernel

open access: yes, 2007
An improved breakage kernel was developed to describe the kinetics of aggregate breakage induced by fluid shear. The model includes the effects of both the internal bonding forces of an aggregate and the fluid shear stress exerting on the aggregate.
Xiao, F, Li, XY
core   +1 more source

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