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High porosity metallic glass foam: A powder metallurgy route

Demetriou, Marios D. and Schramm, Joseph P. and Veazey, Chris and Johnson, William L. and Hanan, Jay C. and Phelps, Nicholas B. (2007) High porosity metallic glass foam: A powder metallurgy route. Applied Physics Letters, 91 (16). Art. No. 161903. ISSN 0003-6951. doi:10.1063/1.2799248.

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A powder metallurgy route to the fabrication of metallic glass foam is introduced. The method involves consolidating metallic glass powder blended with blowing agent particulates to produce expandable precursors, capable of yielding foams with porosities as high as 86%. The foams are found to inherit the strength of the parent metallic glass and to be able to deform heavily toward full densification absorbing high amounts of energy.

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Additional Information:©2007 American Institute of Physics. (Received 1 August 2007; accepted 25 September 2007; published online 15 October 2007) Authors would like to acknowledge valuable discussions with J. Schroers and to express their gratitude to G. Garret, C.E. Pearson, and M.M. Palos for the valuable assistance. This work was supported by the Office of Naval Research under Award No. N00014-07-1-1115.
Subject Keywords:copper alloys; densification; lead alloys; metal foams; metallic glasses; nickel alloys; phosphorus alloys; porosity; powder metallurgy
Issue or Number:16
Record Number:CaltechAUTHORS:DEMapl07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9019
Deposited By: Archive Administrator
Deposited On:20 Oct 2007
Last Modified:08 Nov 2021 20:55

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