The effects of water on the passive behavior of 1018 carbon steel in organic solutions
- John Hopkins Univ., Baltimore, MD (United States). Dept. of Materials Science and Engineering
- Naval Academy, Annapolis, MD (United States). Dept. of Mechanical Engineering
The passivation and breakdown behavior of 1018 carbon steel in propylene carbonate (PC) or dimethoxyethane (DME) mixtures with water and containing 0.5M LiAsF[sub 6] were studied. The behavior of the steel in the organic solvent/water mixtures was highly dependent on the organic solvent. The anodic polarization of carbon steel displayed active-passive behavior in 10--90 mole percent (m/o) PC/H[sub 2]O mixtures and a tenuous degree of stability within the passive range. The anodic polarization of carbon steel displayed no active-passive behavior in 50--90 m/o DME/H[sub 2]O mixtures and displayed active-passive behavior in 10--30 m/o DME/H[sub 2]O mixtures. The steel was stable within the passive range of these DME/H[sub 2]O solutions. The breakdown potential of the steel in DME/H[sub 2]O mixtures is more electropositive than the oxidation potential of the DME solvent at all molar ratios.
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 7037553
- Journal Information:
- Journal of the Electrochemical Society; (United States), Vol. 141:4; ISSN 0013-4651
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CARBON STEELS
BREAKDOWN
PASSIVATION
ARSENIC FLUORIDES
CARBONIC ACID ESTERS
CORROSIVE EFFECTS
DME
ELECTRIC BATTERIES
LITHIUM FLUORIDES
MOISTURE
ORGANIC SOLVENTS
ALKALI METAL COMPOUNDS
ALLOYS
ARSENIC COMPOUNDS
ELECTROCHEMICAL CELLS
ESTERS
ETHERS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
IRON ALLOYS
IRON BASE ALLOYS
LITHIUM COMPOUNDS
LITHIUM HALIDES
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
SOLVENTS
STEELS
360105* - Metals & Alloys- Corrosion & Erosion
360104 - Metals & Alloys- Physical Properties