Surface Corrosion of Metals in Geothermal Fluids at Broadlands, New Zealand

WR Braithwaite; KA Lichti

doi:10.1520/STP30067S

SYMPOSIA PAPER Published: 01 January 1980

STP30067S

Surface Corrosion of Metals in Geothermal Fluids at Broadlands, New Zealand

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Corrosion studies of metallic construction materials for a geothermal power plant at Broadlands, New Zealand, are described. Surface corrosion investigations on 36 materials in seven geothermal media, using the ASTM coupon method, have been initiated, and results for selected materials are presented in a logarithmic graphical form. The observed corrosion characteristics are discussed in terms of corrosion product composition and stability and theoretical film-formation mechanisms.

Author Information

Braithwaite, WR

Chemistry Division, Department of Scientific and Industrial Research, Petone, New Zealand

Lichti, KA

Industrial Processing Division, Department of Scientific and Industrial Research, Petone, New Zealand

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Developed by Committee: G01

Pages: 81–112

DOI: 10.1520/STP30067S

ISBN-EB: 978-0-8031-4785-0

ISBN-13: 978-0-8031-0705-2

Surface Corrosion of Metals in Geothermal Fluids at Broadlands, New Zealand

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