Effect of High Temperature Water Environment on Fatigue Crack Resistance of Carbon and Low Alloy Steels

摘要

The operating experience shows that corrosion-fatigue cracks are the most common type of damage to heat-power equipment components contacting with water heat coolant. Therefore the establishment of crack propagation mechanisms in metals under the influence of cyclic load and water environment is of great importance to the prediction of component's durability. The power equipment steels have been tested. Crack growth diagrams in corrosive water environment were obtained.