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

doi:10.1002/adem.201500545

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

Materials Science & Engineering

Research output: Contribution to journal › Article › Research › peer-review

44 Citations (Scopus)

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 language	English
Pages (from-to)	932-937
Number of pages	6
Journal	Advanced Engineering Materials
Volume	18
Issue number	6
DOIs	https://doi.org/10.1002/adem.201500545
Publication status	Published - 1 Jun 2016

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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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AU - Zhu, Suming

AU - Easton, Mark A.

AU - Abbott, Trevor B.

AU - Gibson, Mark A.

AU - Nie, Jian-Feng

PY - 2016/6/1

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N2 - 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.

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

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

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