α-Ti foil with a protective layer formed on one side was deflected during corrosion in a methanol solution containing 0.6 mol/L KCI and then a tensile stress was generated at or near the metal passive film interface....α-Ti foil with a protective layer formed on one side was deflected during corrosion in a methanol solution containing 0.6 mol/L KCI and then a tensile stress was generated at or near the metal passive film interface. The in situ TEM observation showed that corrosion process could facil- itate dislocation emission and motion. Adding 10% H2O into the methanol solution decreased the passive film-induced stress from 320 MPa to zero, and the susceptibility to SCC measured in slow strain rate tests decreased correspondingly from 98% to zero.展开更多
基金supported by the Special Funds for the Major State Basic Research Projects(No.G19990650)by the National Natural Science Foundation of China(No.19891180,59871010).
文摘α-Ti foil with a protective layer formed on one side was deflected during corrosion in a methanol solution containing 0.6 mol/L KCI and then a tensile stress was generated at or near the metal passive film interface. The in situ TEM observation showed that corrosion process could facil- itate dislocation emission and motion. Adding 10% H2O into the methanol solution decreased the passive film-induced stress from 320 MPa to zero, and the susceptibility to SCC measured in slow strain rate tests decreased correspondingly from 98% to zero.
