On the Modelling of Thermal Aging through Neutron Irradiation and Annealing
Table 2
Material conditions, mechanical properties, and the portion for IBF of 2Cr–Ni–Mo–V steel.
Material condition
T (°C)
Exposure time (hrs)
ΔTk (°C)
ΔσY at 20°C (MPa)
IBF portion (%)
Initial condition
—
—
—
—
1-2
Thermal aging
500
10
6
—
5–7
Thermal aging
500
1000
31
—
70–80
Irradiation F ≈ 2 × 1024 n/m2
300
1000
185
260
10–12
Irradiation + annealing
450
50
35
−5
40–50
Irradiation + annealing
450
100
32
—
65–75
Initial condition + annealing
450
50
0
0
1-2
Initial condition + annealing
450
100
—
—
4–6
Note. ΔTk = Tk−Tk0; ΔσY = σY-σY0, where Tk and σY are values for considered material condition; Tk0 and σY0 are values for material in initial condition.
