Stabilization of closed-cell aluminum foams by horizontal steady magnetic field: numerical simulation on drainage for node-Plateau borders system

Zhang, Runyu; Geng, Dianqiao; Yan, Daojiang; Li, Huaying; Zu, Guoyin

doi:10.1016/j.jmrt.2022.07.052

Cited by 5 publications

(1 citation statement)

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“…This underscores the fact that an understanding of blowing agent particle dispersion within the foamable precursor, precursor consolidation, bubble nucleation, expansion, film rupture, and coalescence is needed if optimized metallic foams are to be consistently realized. More recently, numerical simulations showed possible benefits of magnetic fields in suppressing drainage during foaming [96]. It is important to point out that the gas source responsible for bubble formation can emanate from a number of sources, including the blowing agent particles and adsorbed species originally on metal powder surfaces from which the foaming precursor was made.…”

Section: Mechanisms Of Bubble/pore Formation In Pcmfpmentioning

confidence: 99%

Review: Closed-Cell Metallic Foams Produced via Powder Metallurgy

Behymer,

Morsi

2023

Metals

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The production of closed-cell metallic foams has been of interest to the scientific community and industry for decades, owing to their unique properties, which include high specific strength and stiffness, buoyancy, shock absorption, and crash worthiness. One of the approaches for their fabrication relies solely on the use of powders and is manifested in what has been referred to as the powder metallurgy (PM) route. This review discusses the underlying fundamentals of the process, and recent developments together with our current understanding. The effect of process parameters on the developed foam structure is reviewed for a range of metals, alloys, and metal matrix composites. Fundamental foaming mechanisms and characteristics are discussed.

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Section: Mechanisms Of Bubble/pore Formation In Pcmfpmentioning

confidence: 99%