J. Mater. Sci. Technol. ›› 2019, Vol. 35 ›› Issue (1): 168-175.DOI: 10.1016/j.jmst.2018.06.017
• Orginal Article • Previous Articles Next Articles
Qiangfei Huab, Yuchen Liub, Tao Zhangbc*(), Shujiang Genga, Fuhui Wangbc
Received:
2018-01-22
Revised:
2018-05-25
Accepted:
2018-06-13
Online:
2019-01-04
Published:
2019-01-15
Contact:
Zhang Tao
Qiangfei Hu, Yuchen Liu, Tao Zhang, Shujiang Geng, Fuhui Wang. Modeling the corrosion behavior of Ni-Cr-Mo-V high strength steel in the simulated deep sea environments using design of experiment and artificial neural network[J]. J. Mater. Sci. Technol., 2019, 35(1): 168-175.
Variables | Uncoded and Coded value (in parentheses) | |||||
---|---|---|---|---|---|---|
Level1 | Level 2 | Level 3 | Level 4 | Level 5 | ||
T (°C) | 4.0 (-1.00) | 10.0 (-0.21) | 15.0 (+0.02) | 20.0 (+0.26) | 25.0 (+1.00) | |
HP (MPa) | 0.1 (-1.00) | 2.0 (-0.26) | 4.0 (-0.01) | 6.0 (+0.25) | 8.0 (+1.00) | |
DO (mg/L) at different T | T = 4.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 9.35 (+1.00) |
T?=?10.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 8.75 (+0.43) | |
T?=?15.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 8.30(+0.38) | |
T = 20.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 7.50(+0.29) | |
T = 25.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.36 (+0.17) |
Table 1 Design matrix of temperature, hydrostatic pressure and dissolved oxygen concentration including uncoded values and code values (in parentheses).
Variables | Uncoded and Coded value (in parentheses) | |||||
---|---|---|---|---|---|---|
Level1 | Level 2 | Level 3 | Level 4 | Level 5 | ||
T (°C) | 4.0 (-1.00) | 10.0 (-0.21) | 15.0 (+0.02) | 20.0 (+0.26) | 25.0 (+1.00) | |
HP (MPa) | 0.1 (-1.00) | 2.0 (-0.26) | 4.0 (-0.01) | 6.0 (+0.25) | 8.0 (+1.00) | |
DO (mg/L) at different T | T = 4.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 9.35 (+1.00) |
T?=?10.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 8.75 (+0.43) | |
T?=?15.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 8.30(+0.38) | |
T = 20.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.50 (+0.18) | 7.50(+0.29) | |
T = 25.0 | 0.38 (-1.00) | 2.50 (-0.26) | 4.50 (-0.04) | 6.36 (+0.17) |
Fig. 3. Typical potentiodynamic polarization curves of Ni-Cr-Mo-V high strength steel in different simulated ocean environments: (a) 25.0?°C-DO-0.1?MPa; (b) T-0.38?mg/L-8.0?MPa.
Fig. 8. Experimental and ANN predicted polarization curves of Ni-Cr-Mo-V high strength steel in different simulated ocean environments: (a) 25.0?°C-6.36?mg/L-0.1?MPa; (b) 4.0?°C-0.38?mg/L-8.0?MPa; (c) 4.0?°C-9.35?mg/L-2.0?MPa; (d) 10.0?°C-2.50?mg/L-6.0?MPa. The ANN prediction used the same data sets that the model was trained with.
Fig. 9. Experimental and ANN predicted polarization curves of Ni-Cr-Mo-V high strength steel in different simulated sea environments: (a) 15.0?°C-2.50?mg/L-2.0?MPa, (b) 15.0?°C-4.50?mg/L-4.0?MPa, (c) 4.0?°C-4.50?mg/L-8.0?MPa, (d) 15.0?°C-6.50?mg/L-8.0?MPa. The ANN prediction used data sets that were not seen by the model during train and validation.
Run | Design matrix(factors) | Experiment results (responses) | |||
---|---|---|---|---|---|
T (oC) | DO (mg/L) | HP (MPa) | Ecorr (mV) | icorr (μA?cm-2) | |
1 | 4.0 | 0.38 | 8.0 | -0.305 | 1.280 |
2 | 4.0 | 0.38 | 6.0 | -0.333 | 1.189 |
3 | 4.0 | 0.38 | 4.0 | -0.304 | 2.280 |
4 | 4.0 | 0.38 | 2.0 | -0.329 | 2.817 |
5 | 4.0 | 0.38 | 0.1 | -0.301 | 2.930 |
6 | 10.0 | 0.38 | 8.0 | -0.332 | 3.903 |
7 | 10.0 | 0.38 | 6.0 | -0.334 | 1.725 |
8 | 10.0 | 0.38 | 4.0 | -0.383 | 4.444 |
9 | 10.0 | 0.38 | 0.1 | -0.347 | 1.162 |
10 | 15.0 | 0.38 | 8.0 | -0.353 | 3.201 |
11 | 15.0 | 0.38 | 6.0 | -0.309 | 1.457 |
12 | 15.0 | 0.38 | 4.0 | -0.335 | 2.689 |
13 | 15.0 | 0.38 | 2.0 | -0.443 | 2.766 |
14 | 15.0 | 0.38 | 0.1 | -0.308 | 2.340 |
15 | 20.0 | 0.38 | 8.0 | -0.373 | 5.080 |
16 | 20.0 | 0.38 | 6.0 | -0.459 | 2.320 |
17 | 20.0 | 0.38 | 4.0 | -0.427 | 1.542 |
18 | 20.0 | 0.38 | 2.0 | -0.453 | 1.525 |
19 | 20.0 | 0.38 | 0.1 | -0.456 | 1.465 |
20 | 25.0 | 0.38 | 8.0 | -0.455 | 5.330 |
21 | 25.0 | 0.38 | 6.0 | -0.444 | 2.191 |
22 | 25.0 | 0.38 | 4.0 | -0.445 | 1.983 |
23 | 25.0 | 0.38 | 2.0 | -0.402 | 2.944 |
24 | 25.0 | 0.38 | 0.1 | -0.464 | 2.407 |
25 | 4.0 | 2.50 | 8.0 | -0.29 | 2.781 |
26 | 4.0 | 2.50 | 4.0 | -0.275 | 1.906 |
27 | 4.0 | 2.50 | 2.0 | -0.297 | 3.660 |
28 | 4.0 | 2.50 | 0.1 | -0.318 | 4.938 |
29 | 10.0 | 2.50 | 8.0 | -0.353 | 2.490 |
30 | 10.0 | 2.50 | 6.0 | -0.319 | 4.323 |
31 | 10.0 | 2.50 | 4.0 | -0.318 | 1.740 |
32 | 10.0 | 2.50 | 2.0 | -0.297 | 4.624 |
33 | 10.0 | 2.50 | 0.1 | -0.343 | 3.518 |
34 | 15.0 | 2.50 | 8.0 | -0.34 | 8.410 |
35 | 15.0 | 2.50 | 6.0 | -0.332 | 8.580 |
36 | 15.0 | 2.50 | 4.0 | -0.341 | 2.575 |
37 | 20.0 | 2.50 | 8.0 | -0.37 | 4.160 |
38 | 20.0 | 2.50 | 6.0 | -0.358 | 3.385 |
39 | 20.0 | 2.50 | 4.0 | -0.384 | 2.321 |
40 | 20.0 | 2.50 | 2.0 | -0.431 | 3.328 |
41 | 25.0 | 2.50 | 8.0 | -0.457 | 4.510 |
42 | 25.0 | 2.50 | 6.0 | -0.393 | 8.710 |
43 | 25.0 | 2.50 | 4.0 | -0.46 | 5.372 |
44 | 25.0 | 2.50 | 2.0 | -0.46 | 4.141 |
45 | 25.0 | 2.50 | 0.1 | -0.467 | 4.458 |
46 | 4.0 | 4.50 | 6.0 | -0.261 | 7.560 |
47 | 4.0 | 4.50 | 4.0 | -0.258 | 4.554 |
48 | 4.0 | 4.50 | 2.0 | -0.271 | 3.057 |
49 | 10.0 | 4.50 | 8.0 | -0.301 | 5.150 |
50 | 10.0 | 4.50 | 4.0 | -0.317 | 7.772 |
51 | 10.0 | 4.50 | 2.0 | -0.342 | 5.140 |
52 | 10.0 | 4.50 | 0.1 | -0.291 | 4.303 |
53 | 15.0 | 4.50 | 8.0 | -0.392 | 5.256 |
54 | 15.0 | 4.50 | 6.0 | -0.322 | 9.130 |
55 | 15.0 | 4.50 | 2.0 | -0.411 | 7.240 |
56 | 15.0 | 4.50 | 0.1 | -0.318 | 3.796 |
57 | 20.0 | 4.50 | 8.0 | -0.396 | 11.420 |
58 | 20.0 | 4.50 | 6.0 | -0.424 | 7.161 |
59 | 20.0 | 4.50 | 4.0 | -0.396 | 10.570 |
60 | 20.0 | 4.50 | 2.0 | -0.37 | 5.620 |
61 | 20.0 | 4.50 | 0.1 | -0.375 | 7.648 |
62 | 25.0 | 4.50 | 8.0 | -0.458 | 6.569 |
63 | 25.0 | 4.50 | 6.0 | -0.395 | 12.89 |
64 | 25.0 | 4.50 | 4.0 | -0.424 | 9.780 |
65 | 25.0 | 4.50 | 2.0 | -0.42 | 8.527 |
66 | 25.0 | 4.50 | 0.1 | -0.43 | 5.800 |
67 | 25.0 | 6.36 | 8.0 | -0.403 | 12.859 |
68 | 25.0 | 6.36 | 6.0 | -0.443 | 10.100 |
69 | 25.0 | 6.36 | 4.0 | -0.423 | 10.190 |
70 | 25.0 | 6.36 | 2.0 | -0.426 | 11.300 |
71 | 25.0 | 6.36 | 0.1 | -0.36 | 15.440 |
72 | 4.0 | 6.50 | 8.0 | -0.265 | 5.164 |
73 | 4.0 | 6.50 | 6.0 | -0.276 | 4.858 |
74 | 4.0 | 6.50 | 2.0 | -0.228 | 6.924 |
75 | 4.0 | 6.50 | 0.1 | -0.258 | 3.197 |
76 | 10.0 | 6.50 | 8.0 | -0.291 | 7.508 |
77 | 10.0 | 6.50 | 6.0 | -0.339 | 9.877 |
78 | 10.0 | 6.50 | 4.0 | -0.28 | 7.930 |
79 | 10.0 | 6.50 | 2.0 | -0.29 | 3.660 |
80 | 10.0 | 6.50 | 0.1 | -0.276 | 8.040 |
81 | 15.0 | 6.50 | 6.0 | -0.353 | 9.707 |
82 | 15.0 | 6.50 | 4.0 | -0.355 | 8.764 |
83 | 15.0 | 6.50 | 2.0 | -0.365 | 7.324 |
84 | 15.0 | 6.50 | 0.1 | -0.337 | 10.258 |
85 | 20.0 | 6.50 | 8.0 | -0.38 | 10.567 |
86 | 20.0 | 6.50 | 6.0 | -0.352 | 12.750 |
87 | 20.0 | 6.50 | 4.0 | -0.32 | 12.922 |
88 | 20.0 | 6.50 | 0.1 | -0.427 | 8.737 |
89 | 20.0 | 7.50 | 8.0 | -0.336 | 14.880 |
90 | 20.0 | 7.50 | 6.0 | -0.401 | 11.815 |
91 | 20.0 | 7.50 | 4.0 | -0.411 | 12.160 |
92 | 20.0 | 7.50 | 2.0 | -0.412 | 10.382 |
93 | 20.0 | 7.50 | 0.1 | -0.39 | 13.540 |
94 | 15.0 | 8.30 | 8.0 | -0.295 | 13.827 |
95 | 15.0 | 8.30 | 6.0 | -0.315 | 14.600 |
96 | 15.0 | 8.30 | 4.0 | -0.325 | 8.350 |
97 | 15.0 | 8.30 | 2.0 | -0.343 | 7.896 |
98 | 15.0 | 8.30 | 0.1 | -0.329 | 11.360 |
99 | 10.0 | 8.75 | 8.0 | -0.288 | 12.803 |
100 | 10.0 | 8.75 | 6.0 | -0.286 | 9.580 |
101 | 10.0 | 8.75 | 4.0 | -0.283 | 6.060 |
102 | 10.0 | 8.75 | 2.0 | -0.289 | 8.302 |
103 | 10.0 | 8.75 | 0.1 | -0.309 | 5.861 |
104 | 4.0 | 9.35 | 8.0 | -0.259 | 9.920 |
105 | 4.0 | 9.35 | 6.0 | -0.272 | 6.330 |
106 | 4.0 | 9.35 | 4.0 | -0.27 | 6.089 |
107 | 4.0 | 9.35 | 2.0 | -0.241 | 6.093 |
108 | 4.0 | 9.35 | 0.1 | -0.239 | 5.490 |
109 | 10.0 | 0.38 | 2.0 | -0.349 | 2.442 |
110 | 4.0 | 2.50 | 6.0 | -0.258 | 4.280 |
111 | 15.0 | 2.50 | 2.0 | -0.336 | 6.356 |
112 | 15.0 | 2.50 | 0.1 | -0.363 | 5.276 |
113 | 20.0 | 2.50 | 0.1 | -0.453 | 2.188 |
114 | 4.0 | 4.50 | 8.0 | -0.277 | 6.667 |
115 | 4.0 | 4.50 | 0.1 | -0.272 | 4.110 |
116 | 10.0 | 4.50 | 6.0 | -0.288 | 3.259 |
117 | 15.0 | 4.50 | 4.0 | -0.342 | 6.690 |
118 | 4.0 | 6.50 | 4.0 | -0.229 | 7.431 |
119 | 15.0 | 6.50 | 8.0 | -0.322 | 12.086 |
120 | 20.0 | 6.50 | 2.0 | -0.418 | 7.564 |
Run | Design matrix(factors) | Experiment results (responses) | |||
---|---|---|---|---|---|
T (oC) | DO (mg/L) | HP (MPa) | Ecorr (mV) | icorr (μA?cm-2) | |
1 | 4.0 | 0.38 | 8.0 | -0.305 | 1.280 |
2 | 4.0 | 0.38 | 6.0 | -0.333 | 1.189 |
3 | 4.0 | 0.38 | 4.0 | -0.304 | 2.280 |
4 | 4.0 | 0.38 | 2.0 | -0.329 | 2.817 |
5 | 4.0 | 0.38 | 0.1 | -0.301 | 2.930 |
6 | 10.0 | 0.38 | 8.0 | -0.332 | 3.903 |
7 | 10.0 | 0.38 | 6.0 | -0.334 | 1.725 |
8 | 10.0 | 0.38 | 4.0 | -0.383 | 4.444 |
9 | 10.0 | 0.38 | 0.1 | -0.347 | 1.162 |
10 | 15.0 | 0.38 | 8.0 | -0.353 | 3.201 |
11 | 15.0 | 0.38 | 6.0 | -0.309 | 1.457 |
12 | 15.0 | 0.38 | 4.0 | -0.335 | 2.689 |
13 | 15.0 | 0.38 | 2.0 | -0.443 | 2.766 |
14 | 15.0 | 0.38 | 0.1 | -0.308 | 2.340 |
15 | 20.0 | 0.38 | 8.0 | -0.373 | 5.080 |
16 | 20.0 | 0.38 | 6.0 | -0.459 | 2.320 |
17 | 20.0 | 0.38 | 4.0 | -0.427 | 1.542 |
18 | 20.0 | 0.38 | 2.0 | -0.453 | 1.525 |
19 | 20.0 | 0.38 | 0.1 | -0.456 | 1.465 |
20 | 25.0 | 0.38 | 8.0 | -0.455 | 5.330 |
21 | 25.0 | 0.38 | 6.0 | -0.444 | 2.191 |
22 | 25.0 | 0.38 | 4.0 | -0.445 | 1.983 |
23 | 25.0 | 0.38 | 2.0 | -0.402 | 2.944 |
24 | 25.0 | 0.38 | 0.1 | -0.464 | 2.407 |
25 | 4.0 | 2.50 | 8.0 | -0.29 | 2.781 |
26 | 4.0 | 2.50 | 4.0 | -0.275 | 1.906 |
27 | 4.0 | 2.50 | 2.0 | -0.297 | 3.660 |
28 | 4.0 | 2.50 | 0.1 | -0.318 | 4.938 |
29 | 10.0 | 2.50 | 8.0 | -0.353 | 2.490 |
30 | 10.0 | 2.50 | 6.0 | -0.319 | 4.323 |
31 | 10.0 | 2.50 | 4.0 | -0.318 | 1.740 |
32 | 10.0 | 2.50 | 2.0 | -0.297 | 4.624 |
33 | 10.0 | 2.50 | 0.1 | -0.343 | 3.518 |
34 | 15.0 | 2.50 | 8.0 | -0.34 | 8.410 |
35 | 15.0 | 2.50 | 6.0 | -0.332 | 8.580 |
36 | 15.0 | 2.50 | 4.0 | -0.341 | 2.575 |
37 | 20.0 | 2.50 | 8.0 | -0.37 | 4.160 |
38 | 20.0 | 2.50 | 6.0 | -0.358 | 3.385 |
39 | 20.0 | 2.50 | 4.0 | -0.384 | 2.321 |
40 | 20.0 | 2.50 | 2.0 | -0.431 | 3.328 |
41 | 25.0 | 2.50 | 8.0 | -0.457 | 4.510 |
42 | 25.0 | 2.50 | 6.0 | -0.393 | 8.710 |
43 | 25.0 | 2.50 | 4.0 | -0.46 | 5.372 |
44 | 25.0 | 2.50 | 2.0 | -0.46 | 4.141 |
45 | 25.0 | 2.50 | 0.1 | -0.467 | 4.458 |
46 | 4.0 | 4.50 | 6.0 | -0.261 | 7.560 |
47 | 4.0 | 4.50 | 4.0 | -0.258 | 4.554 |
48 | 4.0 | 4.50 | 2.0 | -0.271 | 3.057 |
49 | 10.0 | 4.50 | 8.0 | -0.301 | 5.150 |
50 | 10.0 | 4.50 | 4.0 | -0.317 | 7.772 |
51 | 10.0 | 4.50 | 2.0 | -0.342 | 5.140 |
52 | 10.0 | 4.50 | 0.1 | -0.291 | 4.303 |
53 | 15.0 | 4.50 | 8.0 | -0.392 | 5.256 |
54 | 15.0 | 4.50 | 6.0 | -0.322 | 9.130 |
55 | 15.0 | 4.50 | 2.0 | -0.411 | 7.240 |
56 | 15.0 | 4.50 | 0.1 | -0.318 | 3.796 |
57 | 20.0 | 4.50 | 8.0 | -0.396 | 11.420 |
58 | 20.0 | 4.50 | 6.0 | -0.424 | 7.161 |
59 | 20.0 | 4.50 | 4.0 | -0.396 | 10.570 |
60 | 20.0 | 4.50 | 2.0 | -0.37 | 5.620 |
61 | 20.0 | 4.50 | 0.1 | -0.375 | 7.648 |
62 | 25.0 | 4.50 | 8.0 | -0.458 | 6.569 |
63 | 25.0 | 4.50 | 6.0 | -0.395 | 12.89 |
64 | 25.0 | 4.50 | 4.0 | -0.424 | 9.780 |
65 | 25.0 | 4.50 | 2.0 | -0.42 | 8.527 |
66 | 25.0 | 4.50 | 0.1 | -0.43 | 5.800 |
67 | 25.0 | 6.36 | 8.0 | -0.403 | 12.859 |
68 | 25.0 | 6.36 | 6.0 | -0.443 | 10.100 |
69 | 25.0 | 6.36 | 4.0 | -0.423 | 10.190 |
70 | 25.0 | 6.36 | 2.0 | -0.426 | 11.300 |
71 | 25.0 | 6.36 | 0.1 | -0.36 | 15.440 |
72 | 4.0 | 6.50 | 8.0 | -0.265 | 5.164 |
73 | 4.0 | 6.50 | 6.0 | -0.276 | 4.858 |
74 | 4.0 | 6.50 | 2.0 | -0.228 | 6.924 |
75 | 4.0 | 6.50 | 0.1 | -0.258 | 3.197 |
76 | 10.0 | 6.50 | 8.0 | -0.291 | 7.508 |
77 | 10.0 | 6.50 | 6.0 | -0.339 | 9.877 |
78 | 10.0 | 6.50 | 4.0 | -0.28 | 7.930 |
79 | 10.0 | 6.50 | 2.0 | -0.29 | 3.660 |
80 | 10.0 | 6.50 | 0.1 | -0.276 | 8.040 |
81 | 15.0 | 6.50 | 6.0 | -0.353 | 9.707 |
82 | 15.0 | 6.50 | 4.0 | -0.355 | 8.764 |
83 | 15.0 | 6.50 | 2.0 | -0.365 | 7.324 |
84 | 15.0 | 6.50 | 0.1 | -0.337 | 10.258 |
85 | 20.0 | 6.50 | 8.0 | -0.38 | 10.567 |
86 | 20.0 | 6.50 | 6.0 | -0.352 | 12.750 |
87 | 20.0 | 6.50 | 4.0 | -0.32 | 12.922 |
88 | 20.0 | 6.50 | 0.1 | -0.427 | 8.737 |
89 | 20.0 | 7.50 | 8.0 | -0.336 | 14.880 |
90 | 20.0 | 7.50 | 6.0 | -0.401 | 11.815 |
91 | 20.0 | 7.50 | 4.0 | -0.411 | 12.160 |
92 | 20.0 | 7.50 | 2.0 | -0.412 | 10.382 |
93 | 20.0 | 7.50 | 0.1 | -0.39 | 13.540 |
94 | 15.0 | 8.30 | 8.0 | -0.295 | 13.827 |
95 | 15.0 | 8.30 | 6.0 | -0.315 | 14.600 |
96 | 15.0 | 8.30 | 4.0 | -0.325 | 8.350 |
97 | 15.0 | 8.30 | 2.0 | -0.343 | 7.896 |
98 | 15.0 | 8.30 | 0.1 | -0.329 | 11.360 |
99 | 10.0 | 8.75 | 8.0 | -0.288 | 12.803 |
100 | 10.0 | 8.75 | 6.0 | -0.286 | 9.580 |
101 | 10.0 | 8.75 | 4.0 | -0.283 | 6.060 |
102 | 10.0 | 8.75 | 2.0 | -0.289 | 8.302 |
103 | 10.0 | 8.75 | 0.1 | -0.309 | 5.861 |
104 | 4.0 | 9.35 | 8.0 | -0.259 | 9.920 |
105 | 4.0 | 9.35 | 6.0 | -0.272 | 6.330 |
106 | 4.0 | 9.35 | 4.0 | -0.27 | 6.089 |
107 | 4.0 | 9.35 | 2.0 | -0.241 | 6.093 |
108 | 4.0 | 9.35 | 0.1 | -0.239 | 5.490 |
109 | 10.0 | 0.38 | 2.0 | -0.349 | 2.442 |
110 | 4.0 | 2.50 | 6.0 | -0.258 | 4.280 |
111 | 15.0 | 2.50 | 2.0 | -0.336 | 6.356 |
112 | 15.0 | 2.50 | 0.1 | -0.363 | 5.276 |
113 | 20.0 | 2.50 | 0.1 | -0.453 | 2.188 |
114 | 4.0 | 4.50 | 8.0 | -0.277 | 6.667 |
115 | 4.0 | 4.50 | 0.1 | -0.272 | 4.110 |
116 | 10.0 | 4.50 | 6.0 | -0.288 | 3.259 |
117 | 15.0 | 4.50 | 4.0 | -0.342 | 6.690 |
118 | 4.0 | 6.50 | 4.0 | -0.229 | 7.431 |
119 | 15.0 | 6.50 | 8.0 | -0.322 | 12.086 |
120 | 20.0 | 6.50 | 2.0 | -0.418 | 7.564 |
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