Effects of heat treatment on the compressive properties of AZ91 Mg foam

Cui'e Wen, Yasuo Yamada, Koji Shimojima, Mamoru Mabuchi, Mamoru Nakamura, Tadashi Asahina, Tatsuhiko Aizawa, Kenji Higashi

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19 Citations (Scopus)


The compressive properties of a T6 heat-treated AZ91 Mg foam are compared with those of as-cast foam. The plateau stress of the foam was not increased by the standard T6 heat treatment. Microstructural observation revealed that the precipitates were rather large in the heat-treated foam, suggesting that the heat treatment applied in the case of the bulk materials is not necessarily suitable for these cellular materials. However, the densification strain of the heat-treated foam was the same as that of the as-cast foam. Therefore, it is suggested that the densification strain of the foam is independent of the microstructure of the cell edge solids.

Original languageEnglish
Pages (from-to)1192-1195
Number of pages4
JournalMaterials Transactions, JIM
Issue number9
Publication statusPublished - 2000 Sept
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)


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