Effect of Heat Treatment on Corrosion Behaviors of Mg-5Y-1.5Nd Alloys

Table 1

Thermal process of the Mg-5Y-1.5Nd alloys in this study.

Heat treatment	Homogenizing	Aging
As-cast	—	—
T4	535°C, 20 h + water quenching	—
T6 (early-aged)	535°C, 20 h + water quenching	225°C, 6 h + water quenching
T6 (peak-aged)	535°C, 20 h + water quenching	225°C, 14 h + water quenching
T6 (overaged)	535°C, 20 h + water quenching	225°C, 24 h + water quenching