316LN不锈钢管状试样高温高压水的腐蚀疲劳行为

谭季波, 王翔, 吴欣强, 韩恩厚

Corrosion Fatigue Behavior of 316LN Stainless Steel Hollow Specimen in High-Temperature Pressurized Water

TAN Jibo, WANG Xiang, WU Xinqiang, HAN En-Hou

表1 腐蚀疲劳实验参数

Table 1 Corrosion fatigue test parameters

Parameter Value Unit Strain amplitude 0.4%-0.9% Strain ratio 0.2 Strain rate (0.4-0.004) × 10-2 s-1 Temperature 320 oC Pressure 12 MPa DO <5 × 10-9 (by weight) Li 2.2 × 10-6 (by weight) B 1200 × 10-6 (by weight) pH 6.5-7.0 Flow rate 10 (0.142) L·h-1 (m·s-1)