The effect of alloy composition on the microstructure and tensile properties of binary Mg-rare earth alloys
By Teck Li Chia, M. Easton, Su-Ming Zhu, M. Gibson, Nick Birbilis, J. Nie. 2009
191 citations recorded by the source corpus.
Abstract Additions of La, Ce and Nd to commercially pure Mg were made up to ∼5 wt.%. It was found that the intermetallic phases formed in the eutectic were Mg 12 La, Mg 12 Ce and Mg 3 Nd respectively. Predictions from the Scheil–Gulliver equation correlated reasonably well with the measured volume fractions. The yield strength increased and the elongation to fracture decreased with an increase in the amount of intermetallic phase present in each alloy. The rate of change in mechanical properties was also found to be dependent upon the type of intermetallic, with Mg 3 Nd being more influential than Mg 12 RE. The morphology of the eutectics was also characterised and compared with the predictions based on phase volume fraction. There were some variations from those predictions, which may be due to the high undercooling produced as a result of the fast cooling rates in high pressure die casting.
Subfields: Aerospace Engineering, Biomaterials, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/fcaf7d08beff753b52a4768bff65af9029689ebc
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Citations in the corpus
- Mechanical Properties of Magnesium-Rare Earth Alloy Systems: A Review (2014, background): “Neodymium has the highest solid solubility in Mg and lowest eutectic temperature of about 552 °C and shows best response to age hardening when added to Mg due to its high solid solubility [6].”
- Current research progress in grain refinement of cast magnesium alloys: A review article (2015, result): “[125] who added La, Ce and Nd to pure Mg and similar grain refining results were obtained.”