Issue 58
A. Ouladbrahim et alii, Frattura ed Integrità Strutturale, 58 (2021) 442-452; DOI: 10.3221/IGF-ESIS.58.32
Conductivity (W / m° C)
Specific heat (J / kg ° C)
Thermal expansion ( u m /m ° C )
Material
API X70
52
420
8.5
Table 2: Thermophysical properties of API grade X70 steel [12].
Temperature
Parameters
q1
q2
fn
fc
Parameters
q1
q2
fn
fc
n
n
1
1.5
1
0.3 0.012 0.0002
39
1.43 0.95
0.5
0.02 0.0042
2
1.47
1
0.3 0.012 0.0002
40
1.5
0.95
0.5
0.02 0.0042
3
1.43
1
0.3 0.012 0.0002
41
1.47
0.95
0.5
0.02 0.0042
4
1.4
1
0.3 0.012 0.0002
42
1.4
0.95
0.5
0.02 0.0042
5
1.5
0.975
0.3 0.012 0.0002
43
1.43
1
0.5
0.02 0.0042
6
1.5
0.95
0.3 0.012 0.0002
44
1.43
0.975
0.5
0.02 0.0042
7
1.5
0.925
0.3 0.012 0.0002
45
1.43
0.925
0.5
0.02 0.0042
8
1.5
1
0.4
0.012 0.0002
46
1.43 0.95
0.3
0.02 0.0042
9
1.5
1
0.5
0.012 0.0002
47
1.43 0.95
0.4
0.02 0.0042
10
1.5
1
0.7
0.012 0.0002
48
1.43 0.95
0.7
0.02 0.0042
11
1.5
1
0.3
0.016
0.0002
49
1.43 0.95
0.5
0.012
0.0042
12
1.5
1
0.3
0.02
0.0002
50
1.43 0.95
0.5
0.016
0.0042
13
1.5
1
0.3
0.024
0.0002
51
1.43 0.95
0.5
0.024
0.0042
14
1.5
1
0.3
0.028
0.0002
52
1.43 0.95
0.5
0.028
0.0042
15
1.5
1
0.3 0.012
0.0022
53
1.43 0.95
0.5
0.02
0.0002
16
1.5
1
0.3 0.012
0.0042
54
1.43 0.95
0.5
0.02
0.0022
17
1.5
1
0.3 0.012
0.005
55
1.43 0.95
0.5
0.02
0.005
18
1.5
1
0.3 0.012
0.0062
56
1.43 0.95
0.5
0.02
0.0062
Step1:20 °C; Step2:0 °C; Step3: -10 °C; Step4: -20 °C.
19
1.5
1
0.3 0.012
0.008
57
1.43 0.95
0.5
0.02
0.008
20
1.47 0.975 0.4 0.016 0.0022
58
1.4 0.925 0.7 0.024 0.005
21
1.5
0.975 0.4 0.016 0.0022
59
1.5
0.925 0.7 0.024 0.005
22
1.43
0.975 0.4 0.016 0.0022
60
1.47
0.925 0.7 0.024 0.005
23
1.4
0.975 0.4 0.016 0.0022
61
1.43
0.925 0.7 0.024 0.005
24
1.47
1
0.4 0.016 0.0022
62
1.4
1
0.7 0.024 0.005
25
1.47
0.95
0.4 0.016 0.0022
63
1.4
0.975
0.7 0.024 0.005
26
1.47
0.925
0.4 0.016 0.0022
64
1.4
0.95
0.7 0.024 0.005
27
1.47 0.975
0.3
0.016 0.0022
65
1.4 0.925
0.3
0.024 0.005
28
1.47 0.975
0.5
0.016 0.0022
66
1.4 0.925
0.4
0.024 0.005
29
1.47 0.975
0.7
0.016 0.0022
67
1.4 0.925
0.5
0.024 0.005
30
1.47 0.975 0.4
0.012
0.0022
68
1.4 0.925 0.7
0.012
0.005
31
1.47 0.975 0.4
0.02
0.0022
69
1.4 0.925 0.7
0.016
0.005
32
1.47 0.975 0.4
0.024
0.0022
70
1.4 0.925 0.7
0.02
0.005
33
1.47 0.975 0.4
0.028
0.0022
71
1.4 0.925 0.7
0.028
0.005
34
1.47 0.975 0.4 0.016
0.0002
72
1.4 0.925 0.7 0.024
0.0002
35
1.47 0.975 0.4 0.016
0.0042
73
1.4 0.925 0.7 0.024
0.0022
36
1.47 0.975 0.4 0.016
0.005
74
1.4 0.925 0.7 0.024
0.0042
37
1.47 0.975 0.4 0.016
0.0062
75
1.4 0.925 0.7 0.024
0.0062
38
1.47 0.975 0.4 0.016
0.008
76
1.4 0.925 0.7 0.024
0.008
Table 3: GTN parameters used in the simulation.
445
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