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3Novices:New technology for producing porous aluminum

A new technology of producing an unsinkable aluminum alloy was developed at Peter the Great St. Petersburg Polytechnic University (SPbPU). Porosity is produced by the addition of foaming gas into liquid aluminum during re-melting. The porous materials can increase stiffness and sound and heat insulating proprieties, according to the SPbPU’s Media-center.http://ift.tt/2uy9OZ1
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