Corrosion behaviors of P110 and N80 tubular steels in CO_(2) gas phase and supercritical(S-CO_(2))phase in a saturated water vapor environment were explored in corrosion weight loss experiments by SEM,EDS,XRD,XPS and ...Corrosion behaviors of P110 and N80 tubular steels in CO_(2) gas phase and supercritical(S-CO_(2))phase in a saturated water vapor environment were explored in corrosion weight loss experiments by SEM,EDS,XRD,XPS and cross-section analysis techniques.With the increase in CO_(2) partial pressure,the average corrosion rate increased first and then decreased.The average corrosion rate reached the maximum value under the near-critical pressure.When CO_(2) partial pressure further increased to be above the critical pressure,the average corrosion rate gradually decreased and local aggregation of molecules was weakened.展开更多
基金Project(21JCQN0066)supported by the Youth Science&Technology Foundation of Sichuan Province,China。
文摘Corrosion behaviors of P110 and N80 tubular steels in CO_(2) gas phase and supercritical(S-CO_(2))phase in a saturated water vapor environment were explored in corrosion weight loss experiments by SEM,EDS,XRD,XPS and cross-section analysis techniques.With the increase in CO_(2) partial pressure,the average corrosion rate increased first and then decreased.The average corrosion rate reached the maximum value under the near-critical pressure.When CO_(2) partial pressure further increased to be above the critical pressure,the average corrosion rate gradually decreased and local aggregation of molecules was weakened.
