The Influence of Individual Rare Earth Elements (La, Ce, or Nd) on Creep Resistance of Die-Cast Magnesium Alloy AE44

Suming Zhu, Mark A. Easton, Trevor B. Abbott, Mark A. Gibson, Jian-Feng Nie

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Three AE44 (Mg–4Al–4RE, wt%) alloys are prepared from individual RE elements, i.e., La, Ce, or Nd, by high-pressure die casting and the creep resistance of these alloys is evaluated. It is shown that the choice of RE elements has a significant influence on the creep resistance of AE44, with the La-containing alloy being the most creep-resistant while the Nd-containing alloy the least creep-resistant. Microstructural examinations suggest that the observed difference in creep resistance cannot be accounted for by the thermal stability of the Al11RE3 phase, as reported previously, but can be related to the volume fraction of intermetallic phases and the content of manganese.

Original languageEnglish
Pages (from-to)932-937
Number of pages6
JournalAdvanced Engineering Materials
Volume18
Issue number6
DOIs
Publication statusPublished - 1 Jun 2016

Cite this

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title = "The Influence of Individual Rare Earth Elements (La, Ce, or Nd) on Creep Resistance of Die-Cast Magnesium Alloy AE44",
abstract = "Three AE44 (Mg–4Al–4RE, wt{\%}) alloys are prepared from individual RE elements, i.e., La, Ce, or Nd, by high-pressure die casting and the creep resistance of these alloys is evaluated. It is shown that the choice of RE elements has a significant influence on the creep resistance of AE44, with the La-containing alloy being the most creep-resistant while the Nd-containing alloy the least creep-resistant. Microstructural examinations suggest that the observed difference in creep resistance cannot be accounted for by the thermal stability of the Al11RE3 phase, as reported previously, but can be related to the volume fraction of intermetallic phases and the content of manganese.",
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The Influence of Individual Rare Earth Elements (La, Ce, or Nd) on Creep Resistance of Die-Cast Magnesium Alloy AE44. / Zhu, Suming; Easton, Mark A.; Abbott, Trevor B.; Gibson, Mark A.; Nie, Jian-Feng.

In: Advanced Engineering Materials, Vol. 18, No. 6, 01.06.2016, p. 932-937.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - The Influence of Individual Rare Earth Elements (La, Ce, or Nd) on Creep Resistance of Die-Cast Magnesium Alloy AE44

AU - Zhu, Suming

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AU - Nie, Jian-Feng

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AB - Three AE44 (Mg–4Al–4RE, wt%) alloys are prepared from individual RE elements, i.e., La, Ce, or Nd, by high-pressure die casting and the creep resistance of these alloys is evaluated. It is shown that the choice of RE elements has a significant influence on the creep resistance of AE44, with the La-containing alloy being the most creep-resistant while the Nd-containing alloy the least creep-resistant. Microstructural examinations suggest that the observed difference in creep resistance cannot be accounted for by the thermal stability of the Al11RE3 phase, as reported previously, but can be related to the volume fraction of intermetallic phases and the content of manganese.

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