硫化氢腐蚀对X80管线钢断裂韧性的影响

王晶, 栾春波

Effect of Hydrogen Sulfide Corrosion on Fracture Toughness of X80 Pipeline Steel

WANG Jing, LUAN Chunbo

表3 未腐蚀试件的启裂韧度δ0.2BL测试结果

Table 3 Test values of fracture toughness δ0.2BL of uncorroded X80 pipeline steel

Sample number B / mm W / mm S / mm F / kN g1 ν Rp0.2 / MPa E / GPa a0 / mm Δa / mm Vp / mm z / mm δ / mm A1 15.02 30.10 120.00 31.56 2.58 0.30 661.00 206.00 14.73 0.63 2.81 2.00 0.81 A2 15.03 30.00 120.00 28.50 2.62 0.30 661.00 206.00 14.84 1.34 3.78 2.00 1.05 A3 15.00 30.20 120.00 24.09 2.62 0.30 661.00 206.00 14.81 3.01 5.03 2.00 1.36 A4 14.99 30.20 120.00 26.81 2.66 0.30 661.00 206.00 15.01 2.15 4.63 2.00 1.25 A5 15.10 30.02 120.00 27.86 2.66 0.30 661.00 206.00 15.04 0.83 2.74 2.00 0.76 A6 15.01 30.02 120.00 27.07 2.58 0.30 661.00 206.00 14.71 2.28 4.18 2.00 1.15