Permeability of Aluminium Foams Produced by Replication Casting Process / Furman Eugeny L.,Finkelstein Arcady B.,Cherny Maxim L. // . - 2012. - V. , l. . - P. 203-208.

ISSN/EISSN:

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Type:

Proceedings Paper

Abstract:

Replication casting process is provided by authors for manufacturing the open-pore aluminum foams with advanced performances such as stability and repeatability of foam structure with porosity over 60\%. A simple foam structure model based on interaction between sodium chloride solid particles poor wetted by melted aluminum with the formation of air pockets (or ``air collars{''}) is proposed for permeability of porous material. The equation for minimum pore radius of replicated aluminium foam is derived. According to proposed model the main assumption of permeability model consists in concentration of flow resistance at circular aperture of radius rmin. The permeability of aluminium open-pore foams is measured using transformer oil as the fluid, changing the fractions of initial sodium chloride. Measured values of minimum pore size are close to theoretically predicted regardless of the particle shape. The expression for permeability of replicated aluminium foam derived on the basis of ``bottleneck{''} model of porous medium agrees well with the experimental data. The obtained data are applied commercially for production filter cells and pneumatic silencers.

Author keywords:

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DOI:

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Web of Science ID:

ISI:000394068500034

Соавторы в МНС:

Другие поля

Поле	Значение
Editor	Hur, BY and Kim, BK and Kim, SE and Hyun, SK
Booktitle	POROUS METALS AND METALLIC FOAMS, METFOAM 2011
Note	7th International Conference on Porous Metals and Metal Foams, Busan, SOUTH KOREA, SEP 18-21, 2011
Publisher	GS INTERVISION
Address	448 6 SINSU DONG MAPO GU, SEOUL, 00000, SOUTH KOREA
Language	English
ISBN	978-89-97231-39-3
Research-Areas	Metallurgy \& Metallurgical Engineering
Web-of-Science-Categories	Metallurgy \& Metallurgical Engineering
Number-of-Cited-References	9
Usage-Count-Last-180-days	4
Usage-Count-Since-2013	6
Doc-Delivery-Number	BG9XF