This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Methods for Assessing the Corrosion Behaviour of Heat Exchanger Materials and Components
Annotation ability available
Sector:
Language:
English
Abstract
To determine the true galvanic compatibility of radiator components a test has been developed using a zero resistance ammeter (ZRA) technique, which measures the magnitude of the galvanic current between different materials, thus allowing specific corrosion rates to be calculated. It is believed that the use of the ZRA technique will help provide a better balance between sacrificial behaviour and thermal performance of fin alloys. In particular, it will be demonstrated that it is not necessary to make additions of zinc to the fin alloys to attain a sacrificial effect, which in the longer term may compromise the recyclability of radiator units.
Recommended Content
Citation
Gray, A. and Howells, A., "Methods for Assessing the Corrosion Behaviour of Heat Exchanger Materials and Components," SAE Technical Paper 971787, 1997, https://doi.org/10.4271/971787.Also In
References
- Ando Y. Nita I. Uramato M. Ochiai H. Fujiyoshi T ‘Development of aluminium radiators using the Nocolok brazing process - corrosion resistance of new aluminium radiators by applying a Nocolok brazing process’ SAE 870180 1987
- Standard practice for measurement of corrosion potentials of aluminium alloys American Society for Testing and Materials 3 02 249
- Mansfeld F. Hengtenberg D.H. Kenkel J.V. Corrosion 30 10 October 1974 343 353
- Reboul M.C. Corrosion 35 9 September 1979 423 428
- Bolingbroke R.K. Evans J.H. Gray A. SAE 1997
- Gao, G.Y. Dexter S.C. Corrosion and corrosion control for offshore and marine construction Int. Academic pub. 1988 405 410