X80钢焊接接头在模拟天然气凝析液中的腐蚀行为
|
|
陈芳,李亚东,杨剑,唐晓,李焰
|
Corrosion Behavior of X80 Steel Welded Joint in Simulated Natural Gas Condensate Solutions
|
|
Fang CHEN,Yadong LI,Jian YANG,Xiao TANG,Yan LI
|
|
| 表1 母材区(BM)和焊接接头(WJ)挂片正交实验结果 |
| Table 1 Orthogonal results and analysis of the BM and WJ |
|
No. | Mass fraction / % | T / ℃ | Corrosion rate / (g·m-2·h-1) |
|---|
| c(Cl-) | c(HAc) | c(MEG) |
|---|
| BM | WJ |
|---|
| 1 | 1.0 | 0 | 0 | 30 | 0.421 | 0.547 | | 2 | 1.0 | 0.10 | 10 | 40 | 0.853 | 0.984 | | 3 | 1.0 | 0.30 | 20 | 50 | 1.000 | 1.390 | | 4 | 1.0 | 0.50 | 30 | 60 | 1.550 | 2.190 | | 5 | 3.0 | 0 | 20 | 40 | 0.325 | 0.350 | | 6 | 3.0 | 0.10 | 30 | 30 | 0.293 | 0.500 | 7 | 3.0 | 0.30 | 0 | 60 | 1.940 | 2.390 | | 8 | 3.0 | 0.50 | 10 | 50 | 2.050 | 3.530 | | 9 | 5.0 | 0 | 30 | 50 | 0.315 | 0.315 | | 10 | 5.0 | 0.10 | 20 | 30 | 0.996 | 1.170 | | 11 | 5.0 | 0.30 | 10 | 60 | 0.978 | 1.410 | | 12 | 5.0 | 0.50 | 0 | 40 | 0.334 | 0.623 | | 13 | 7.0 | 0 | 10 | 60 | 0.635 | 0.725 | | 14 | 7.0 | 0.10 | 0 | 50 | 1.140 | 1.550 | | 15 | 7.0 | 0.30 | 30 | 40 | 0.599 | 0.700 | | 16 | 7.0 | 0.50 | 20 | 30 | 0.920 | 1.560 |
|
|
|