Microstructure development, mechanical properties and formability of Mg–Zn–Y–Zr magnesium alloy

Effect of heat treatment on the corrosion resistance and mechanical properties of an as-forged Mg–Zn–Y–Zr alloy

“…It is well-known that the endothermic peaks occurred during the heating process correlate to the melting temperatures associated with the existing phases [30]. Chen et al reported that the relatively higher melting temperature of the W-phase associated with a endothermic peak temperature of 510 o C in an as-cast Mg-4.695%Zn-1.172%Y-0.487%Zr (in wt%), whereas the lower melting temperature of the I-phase corresponded to its endothermic peak temperature of 450 o C [31].…”

“…3. In general, I-phase could form eutectic pockets with α-Mg matrix in Mg-Zn-Y-Zr alloys [32], and the eutectic pockets are prone to be broken into small particles by severe plastic deformation due to the brittleness of the I-phase, whilst the W-phase is relative plastic and difficult to be broken apart [31]. As such, the smaller particles in the broken pockets are I-phase and the bigger particles at some particular sites of the broken pockets are W-phase ( Fig.…”

Microstructure and texture of coarse-grained Mg–Gd–Y–Nd–Zr alloy after hot compression

“…Recent researches have shown that the room temperature ductility of magnesium alloys can be significantly enhanced by grain refinement [10][11][12]. Anisotropic mechanical properties of wrought Magnesium alloys caused by the strong texture have been shown as a barrier in the extension of their applications [13].…”

Microstructure and mechanical properties of ZM6 magnesium alloy after continuous variable cross-section direct extrusion

“…Significant improvement in mechanical properties of the alloy can be obtained with increasing extrusion strain [4]. In recent years, the method of the severe plastic deformation has attracted increasing attention to produce fine-grained materials [5], such as equal channel angular pressing (ECAP) [6], accumulative roll bonding (ARB) [7], high pressure torsion (HPT) [8], cyclic extrusion and compression (CEC) [9], etc.…”