Effect of Rare-Earth Additions on the Texture of Wrought Magnesium Alloys: The Role of Grain Boundary Segregation

By Joseph D. Robson. Metallurgical and Materials Transactions. A, 2014

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Altered ageing behaviour of a nanostructured Mg-8.2Gd-3.8Y-1.0Zn-0.4Zr alloy processed by high pressure torsion (2018, methodology): “driving force for RE elements to segregate to GBs in Mg alloys is greater than that for more common alloying elements such as Zn and Al [37].”
Magnesium extrusion alloys: a review of developments and prospects (2019, background): “aging is potentially more than 350 MPa [168].”
Precipitation strengthening and reversed yield stress asymmetry in Mg alloys containing rare-earth elements: a quantitative study (2017, result): “This is consistent with the large tendency of the RE solute atoms to segregate to the GBs [40,41], which may also contribute to the thermal stability of the grain structure in the MN11 alloy.”
Individual effect of recrystallisation nucleation sites on texture weakening in a magnesium alloy: Part 1- double twins (2017, background): “Although solute drag may not retard static recrystallisation effectively at high temperature, it could slow down the recrystallised GBs mobility during the subsequent grain growth stage [1,24,25,39].”