Corrosion of selected metal alloys in Utah geothermal waters
Journal Article
·
· J. Mater. Energy Syst.; (United States)
A potentiodynamic polarization technique has been applied to characterize the corrosion behavior of AISI 316L stainless steel, an iron-based alloy (9Cr-1Mo), a nickel-based alloy (INCONEL/SUP R/ alloy 625), and mild steel ASTM A-36. Corrosion rate was affected greatly by temperature. The pitting potentials decreased with increasing temperature. The nickel-based alloywas resistant to the geothermal water and did not undergo pitting corrosion. All measurements of corrosion--corrosion rate, pit density, maximum pit depth, charge consumed, and polarization resistance--corroborate the decrease in corrosion rate at tested temperatures.
- Research Organization:
- Corrosion Research Center Univ. of Minnesota, Minneapolis, MN
- OSTI ID:
- 6918964
- Journal Information:
- J. Mater. Energy Syst.; (United States), Vol. 5:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
15 GEOTHERMAL ENERGY
GEOTHERMAL FLUIDS
CORROSIVE EFFECTS
INCONEL 625
CORROSION RESISTANCE
PITTING CORROSION
POLARIZATION
IRON BASE ALLOYS
STAINLESS STEEL-316
GEOTHERMAL WELLS
MATERIALS TESTING
TECHNOLOGY ASSESSMENT
TEMPERATURE EFFECTS
UTAH
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION
CORROSION RESISTANT ALLOYS
FEDERAL REGION VIII
FLUIDS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INCONEL ALLOYS
IRON ALLOYS
MATERIALS
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NIOBIUM ALLOYS
NORTH AMERICA
STAINLESS STEELS
STEELS
TANTALUM ALLOYS
TESTING
USA
WELLS
360105* - Metals & Alloys- Corrosion & Erosion
150903 - Geothermal Engineering- Corrosion
Scaling & Materials Development
15 GEOTHERMAL ENERGY
GEOTHERMAL FLUIDS
CORROSIVE EFFECTS
INCONEL 625
CORROSION RESISTANCE
PITTING CORROSION
POLARIZATION
IRON BASE ALLOYS
STAINLESS STEEL-316
GEOTHERMAL WELLS
MATERIALS TESTING
TECHNOLOGY ASSESSMENT
TEMPERATURE EFFECTS
UTAH
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION
CORROSION RESISTANT ALLOYS
FEDERAL REGION VIII
FLUIDS
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INCONEL ALLOYS
IRON ALLOYS
MATERIALS
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NIOBIUM ALLOYS
NORTH AMERICA
STAINLESS STEELS
STEELS
TANTALUM ALLOYS
TESTING
USA
WELLS
360105* - Metals & Alloys- Corrosion & Erosion
150903 - Geothermal Engineering- Corrosion
Scaling & Materials Development