Table 3 The growth rates of the area number densities of β′ and β1 precipitate and the values of ΔYSHIP-nonHIP at different ageing times of the nonHIP-GZ1208K-T6 alloy and HIP-GZ1208K-T6 alloy.
Growth rate of area number density | ΔYSHIP-nonHIP | ||
|---|---|---|---|
8 h | β′ | − 9.1% | − 32 MPa |
β1 | + 16.6% | ||
32 h | β′ | + 42.8% | − 2 MPa |
β1 | − 3.4% | ||
