Metal Foam

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18 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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Metal Foam

MEEN 3344

Ci Yang

Characteristics


Made from Al, Fe, Cu, Ag, Ti, Alloy


Gas
-
filled pores


Very high porosity (75
-
95% void spaces)


Light and stiff (Strength
power law

density)


Similar coefficient of thermal expansion


Reduced conductivity


High cost, advanced technology aerospace and
manufacturing


Open
-
cell & close
-
cell metal foams


Manufacturers: ERG Aerospace, Metal Foam Korea, M
-
Pore, Porvair, Metafoam Cymat Corporation, Alcoa




An open
-
cell aluminum foam

An open
-
cell brass foam water treatment disk

A large
-
cell closed
-
cell aluminum foam

A small
-
cell closed
-
cell aluminum foam

Application


Light
-
weight structures


Biochemical implants


Filters (high
-
temperature filters in Chem. Ind.)


Heat exchanger


Mechanical damping devices


Sound/energy absorber


Electrodes


Sensors



References


Metal foam
.
www.wikipedia.org

accessed on Oct. 15, 2008


http://www.metalfoam.net/

accessed on Oct. 15, 2008


A Broad Range of Duocel Foam Products.

http://www.ergaerospace.com

accessed on Oct. 15, 2008


Metpore Examples
http://www.porvairadvancedmaterials.com/Presentation4_fi
les/frame.htm

accessed on Oct. 15, 2008