Table 5: Mechanical properties of alloy at different peak aging temperatures.

Aging temperature/timeTensile strength/MPaYield strength/MPaElongation/%

180°C/2 h422.6383.65.2
180°C/6 h428.4387.55.1
180°C/12 h444.1400.45.0
190°C/2 h435.0389.96.9
190°C/6 h426.8373.05.9
190°C/12 h490.4444.86.0
200°C/2 h430.9379.45.3
200°C/6 h442.1382.75.1
200°C/12 h465.8398.75.7