Characteristic of Modified Geometrical Open-Cell Aluminum Foam by Casting Replication Process

Razmi Noh Mohd Razali; Bulan Abdullah; Muhammad Hussain Ismail; Norhamidi Muhamad

doi:10.4028/www.scientific.net/MSF.846.37

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HomeMaterials Science ForumMaterials Science Forum Vol. 846Characteristic of Modified Geometrical Open-Cell...

Characteristic of Modified Geometrical Open-Cell Aluminum Foam by Casting Replication Process

Abstract:

In this work, aluminium foams with modified geometry were successfully fabricated with a combination of dense and porous structure The main objective of this study were to determine the initial physical properties of aluminium foam with modified geometry in terms of density, porosity and morphology. Three different NaCl space holder sizes ranging from 1 mm to 3 mm were sieved and used to replicate the final pore size of aluminium foam. The samples were successfully produced through casting replication process. After densification, samples underwent water leaching in ultrasonic bath to remove completely the space holder. Results showed that porosity of the aluminium foam increased from 50 – 62% when the size of space holder was increased from 1 mm to 3 mm. The morphology showed clearly an integrated modified geometry between dense and inter-connected porous structure which is beneficial for applications that require combination properties of structural, thermal and mechanical properties.

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Periodical:

Materials Science Forum (Volume 846)

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37-41

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.846.37

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Online since:

March 2016

Authors:

Razmi Noh Mohd Razali*, Bulan Abdullah, Muhammad Hussain Ismail, Norhamidi Muhamad

Keywords:

Aluminium Foam, Casting, Replication Process, Scanning Electron Microscopy

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