SYMPOSIA PAPER Published: 01 January 1993

Corrosion Protection of Aluminum Heat-Transfer Surfaces in Engine Coolants Using Monoacid/Diacid Inhibitor Technology


A low depletion monoacid/diacid corrosion inhibitor technology that provides superior high-temperature aluminum corrosion protection combined with excellent heat-transfer characteristics has been identified. The efficiency of the inhibitor technology was evaluated gravimetrically on aluminum specimens under static and dynamic heat-transfer conditions. Testing techniques and results are discussed. The thermal properties of the protective film and the coolant were evaluated under dynamic heat-exchange conditions. Information on composition and structure of the protective film formed under conditions of heat-transfer was obtained through the use of microscopy and Fourier transform infrared spectrometry (FTIR).

Author Information

Maes, J-P
Texaco Research and Development—Ghent, Ghent, Belgium
Van de Ven, P
Texaco Research and Development—Ghent, Ghent, Belgium
Price: $25.00
Contact Sales
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Developed by Committee: D15
Pages: 11–24
DOI: 10.1520/STP25154S
ISBN-EB: 978-0-8031-5244-1
ISBN-13: 978-0-8031-1851-5