Manufacturing Technology 2019, 19(1):118-122 | DOI: 10.21062/ujep/254.2019/a/1213-2489/MT/19/1/118

Theoretical Calculations of the Foaming Properties of Powder Agents for the Production of Aluminium Foams

Iva Nová, Karel Fraňa, Jiří Machuta, Iva Nováková
Faculty of Mechanical Engineering, Technical University of Liberec, Studentská 2, 461 17 Liberec, Czech Republic

This paper presents the theoretical calculations of the foaming process of selected powder foaming agents (TiH2, CaH2, MgH2, ZrH2, CaCO3 and MgCO3) regarding the volume of gas, relative density and density of the metal foam obtained with respect to the use of a certain amount of powdered blowing agent. This work is carried out in the frame of the university project in which a small subproject is dealing with the problem of the cellular lightweight metal structures. Furthermore by calculating the diffusion of hydrogen in both solid and liquid aluminium there were found results for the duration of the anticipated action of the powdered blowing agent (0.75, 1.0, 1.25, 1.50, 1.75 and 2.0 wt. %).

Keywords: aluminium foam, foaming agent, hydrogen, relative density, density of aluminium foams
Grants and funding:

Ministry of Education, Youth and Sports of the Czech Republic and the European Union - European Structural and Investment Funds in the frames of Operational Programme Research, Development and Education - project Hybrid Materials for Hierarchical Structures (HyHi, Reg. No. CZ.02.1.01/0.0/0.0/16_019/0000843).

Published: February 1, 2019  Show citation

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Nová I, Fraňa K, Machuta J, Nováková I. Theoretical Calculations of the Foaming Properties of Powder Agents for the Production of Aluminium Foams. Manufacturing Technology. 2019;19(1):118-122. doi: 10.21062/ujep/254.2019/a/1213-2489/MT/19/1/118.
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