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The microstructure of a gravity‐cast A356 aluminium alloy modified with 0.4 wt% Nd and its corrosion behaviour in 3.5 wt% NaCl solution is investigated. The addition of Nd refines the eutectic silicon and results in the formation of Nd‐containing intermetallics, which show smaller potential differences relative to the α‐Al matrix than the Fe‐rich intermetallics in the unmodified alloy. In 3.5 wt%...
The influence of Nd and Gd additions on the microstructure, hardness and oxidation of AM50 magnesium alloy was investigated. Nd and Gd formed Al2Nd, Al2Gd, AlMnNd and AlMnGd intermetallics and reduced the amount of β‐phase. Grain size and hardness did not change significantly with the addition of Nd or Gd. For all the alloys, surface degradation was negligible at temperatures below 370 °C. However,...
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