Results 21 to 30 of about 3,354,049 (285)

Production of Closed-Cell Foams Out of Aluminum Chip Waste: Mathematical Modeling and Optimization

open access: yesMetals, 2022
The main aim of this research is to mathematically describe the influence of the processing parameters of metal foam production from machining chip waste.
Jure Krolo   +3 more
doaj   +1 more source

Comparison on the heat transfer performance and entropy analysis on miniature loop thermosyphon with screen mesh wick and metal foam

open access: yesCase Studies in Thermal Engineering, 2022
Comparison on the heat transfer performance (HTP) of copper screen mesh wick and metal foam inserted evaporator section of miniature loop thermosyphon is experimentally investigated.
Stephen Manova   +7 more
doaj   +1 more source

Pressure Drops in Two-Phase Gas–Liquid Flow through Channels Filled with Open-Cell Metal Foams

open access: yesEnergies, 2021
This paper describes experimental investigations of single-phase and two-phase gas–liquid flow through channels with a diameter of 20 mm and length of 2690 mm, filled with metal foams.
Roman Dyga, Sebastian Brol
doaj   +1 more source

Numerical Analysis of the Effects of the Structure Shape and Orientation of Kelvin Cell Porous Structures during Air Forced Convection

open access: yesApplied Sciences, 2021
In recent years, in order to counteract the growth of environmental pollution and the contemporary scarcity of various energy sources, researchers have proposed innovative and efficient solutions for heat transfer applications.
Michele Calati   +2 more
doaj   +1 more source

Two-Criteria Analysis of Casting Technologies of Metal and Composite Foams

open access: yesArchives of Metallurgy and Materials, 2015
The determination of potential areas of application for metal foams allows to precisely define properties these materials are expected to have. The characteristics of metal foams are strictly related to their cellular structure, which in turn depends on ...
Gawdzińska K., Gucma M.
doaj   +1 more source

ANALYSIS OF PRODUCTION METHOD AND STABILIZING AGENT ON STRUCTURE OF ALUMINUM METAL FOAMS

open access: yesJournal of Sustainable Technologies and Materials, 2023
Aluminum alloy foams are a form of porous metal whose structure resembles the shape of natural materials such as coral, bone, sponge, etc. Due to their structure, these materials retain good mechanical properties of the base material while being ...
Karla Grgić   +4 more
doaj   +1 more source

Versatile Assembly of Metal–Phenolic Network Foams Enabled by Tannin–Cellulose Nanofibers

open access: yesAdvances in Materials, 2023
Metal–phenolic network (MPN) foams are prepared using colloidal suspensions of tannin‐containing cellulose nanofibers (CNFs) that are ice‐templated and thawed in ethanolic media in the presence of metal nitrates.
B. D. Mattos   +7 more
semanticscholar   +1 more source

Gas Diffusion Layers in Fuel Cells and Electrolysers: A Novel Semi-Empirical Model to Predict Electrical Conductivity of Sintered Metal Fibres

open access: yesEnergies, 2019
This paper introduces novel empirical as well as modified models to predict the electrical conductivity of sintered metal fibres and closed-cell foams.
Reza Omrani, Bahman Shabani
doaj   +1 more source

Various Trade-Off Scenarios in Thermo-Hydrodynamic Performance of Metal Foams Due to Variations in Their Thickness and Structural Conditions

open access: yesEnergies, 2021
The long standing issue of increased heat transfer, always accompanied by increased pressure drop using metal foams, is addressed in the present work. Heat transfer and pressure drop, both of various magnitudes, can be observed in respect to various flow
Trilok G   +2 more
doaj   +1 more source

Thermographic investigation of strain rate effects in Al foams and Ni/Al hybrid foams

open access: yesMaterials & Design, 2018
Open-cell metal foams are biomimetic open-porous materials mimicking the construction elements of bones. Based on their special porous microstructure, they are used as lightweight construction elements and for crash energy absorbers.
A. Jung   +4 more
doaj   +1 more source

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