MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Effect of ARB Cycle Number on Cell Morphology of Closed-Cell Al-Si Alloy Foam
Koichi KitazonoSeiji NishizawaEiichi SatoTetsuichi Motegi
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2004 Volume 45 Issue 7 Pages 2389-2394

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Abstract

Closed-cell Al-Si alloy foam was produced from two bulk alloy strips. Preform sheet containing titanium hydride (TiH2) particles was first manufactured through accumulative roll-bonding (ARB) processing. Large ARB cycle number was effective to achieve uniform distribution of the TiH2 particles in the Al-Si matrix. Following high temperature foaming tests revealed that high porosity and small pore size can be obtained from the preform prepared through large cycle number. These results indicate that a suitable ARB processing condition enables to optimize the cell microstructure of the metal foams.

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© 2004 The Japan Institute of Metals and Materials
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