Nano Archive

A comparison of composite metal foam's properties and other comparable metal foams

Rabiei, A and Vendra, L. J. (2009) A comparison of composite metal foam's properties and other comparable metal foams. Materials Letters, 63 (5). 533 - 536.

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New closed cell composite metal foams are processed using casting and powder metallurgy (PM) techniques. The foam is comprised of steel hollow spheres packed into a random loose arrangement, with the interstitial spaces between spheres occupied with a solid metallic matrix. The characterization of composite metal foams was carried out using monotonic compression, compression–compression fatigue, loading–unloading compression, micro-hardness and nano-hardness testing. The microstructure of the composite metal foams was studied using optical, scanning electron microscopy imaging and electron dispersive spectroscopy. The composite metal foams displayed superior (5–20 times higher) compressive strengths, reported as 105 MPa for cast foams and 127 MPa for PM foams, and much higher energy absorbing capability as compared to other metal foams being produced with similar materials through other technologies.

Item Type:Article
Uncontrolled Keywords:Casting; Composite materials; Metal foams; Mechanical properties; Microstructure; Powder metallurgy
Subjects:Material Science > Nanostructured materials
ID Code:6610
Deposited By:SPI
Deposited On:10 Feb 2010 15:03
Last Modified:10 Feb 2010 15:03

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