Thermodynamic analysis of the aluminum alloy foaming process by melt route

Marlenne González-Nava, Alejandro Cruz-Ramírez, Miguel Ángel Suarez-Rosales, María de los Ángeles Hernández Pérez

Research output: Contribution to journalArticle

Abstract

© 2018 The Society of Manufacturing Engineers A thermodynamic analysis was carried out to determine the stability compounds formed by the interaction between the molten alloy (A356 alloy) with a foaming agent (1, 2, 3 wt. % CaCO3) and a thickening agent (1 wt. % Al2O3) for the production of closed-cell aluminum alloy foams. Stability phase diagrams were obtained to 973, 1073 and 1173 K and they showed the formation of the compounds MgAl2O4, CaAl4O7, Al4C3, and Al4O4C. Typical closed-cell foams of the A356 aluminum alloy were produced to the same conditions of the thermodynamic analysis. The structure of the foams produced was evaluated by SEM-EDS and Raman techniques. The stability compounds predicted are in good agreement with those determined experimentally. The compounds formed by the interaction between the particles and the melt were increased with the increase of the foaming agent and were located at the cell walls.
Original languageAmerican English
Pages (from-to)77-84
Number of pages68
JournalJournal of Manufacturing Processes
DOIs
StatePublished - 1 Apr 2018
Externally publishedYes

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Aluminum
Thermodynamics
Foams
Aluminum alloys
Blowing agents
Foam Cells
Phase diagrams
Molten materials
Energy dispersive spectroscopy
Cells
Cell Wall
Engineers
Scanning electron microscopy
Foam
Interaction

Cite this

González-Nava, Marlenne ; Cruz-Ramírez, Alejandro ; Suarez-Rosales, Miguel Ángel ; Pérez, María de los Ángeles Hernández. / Thermodynamic analysis of the aluminum alloy foaming process by melt route. In: Journal of Manufacturing Processes. 2018 ; pp. 77-84.
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Thermodynamic analysis of the aluminum alloy foaming process by melt route. / González-Nava, Marlenne; Cruz-Ramírez, Alejandro; Suarez-Rosales, Miguel Ángel; Pérez, María de los Ángeles Hernández.

In: Journal of Manufacturing Processes, 01.04.2018, p. 77-84.

Research output: Contribution to journalArticle

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