Effect of finish-rolling conditions on mechanical properties and texture characteristics of AM50 alloy sheet

Influence of Al content on machinability of AM series magnesium alloys

“…2a-d). Microstructure images obtained in this study were in accordance with the literature [12][13][14][15][16].…”

“…2a-d). The microstructure of these alloys consists of primary α-Mg and intermetallic phases (arranged along the α-Mg matrix grain boundary) which is consistent with the published literature [12][13][14][15][16]. The location and form of intermetallic phases found in microstructure were ob- served to change depending on the increase in the amount of Al % in the alloy (containing 0.5 % Mn in all alloys) [2][3][4][5][6][7].…”

Effect of the final rolling speeds on the stretch formability of AZ31 alloy sheet rolled at a high temperature

“…As mentioned above, with increasing the rolling speed, the grains of AZ31 alloy sheets coarsened, which is similar with the results of ref. [14]. The main reasons can be concluded that with increasing the rolling speed, on the one hand, the heat exchange between the sheet and the roller can be decreased, on the other hand, the more mechanical energy is converted into heat energy of the sheets, so the temperature of the sheets can be increased [14], which is beneficial to the grain coarsening.…”

“…[14]. The main reasons can be concluded that with increasing the rolling speed, on the one hand, the heat exchange between the sheet and the roller can be decreased, on the other hand, the more mechanical energy is converted into heat energy of the sheets, so the temperature of the sheets can be increased [14], which is beneficial to the grain coarsening. In addition, increasing the final rolling speed resulted in more twins as mentioned earlier, which is consistent to the results of ref.…”

“…Guo et al [13] suggested that for the LSR AZ31 Mg alloy sheets, twinning dominated the deformation at lower rolling speed, while the remarkable dynamic recrystallization (DRX) was extended at high rolling speed, so increasing rolling speed was beneficial to the refinement of the grains and improvement of the tensile ductility of the sheet. Ding et al [14] suggested that increasing rolling speed could decrease the texture intensity of the as-rolled AM50 alloy sheets. The better combination between tensile strength and elongation of AM50 alloy sheet could be obtained by rolling at 200 C with the roll speed of 5 m/min.…”