SEDL / STP / STP705-EB / STP29228S

Cooling Systems Corrosion in Relation to Design and Materials

Beynon, E
Technical manager; senior supervisor, Customer Technical Service; and manager, Technical Service, Union Carbide Corporation, Tarrytown, New York

Cooper, NR
Technical manager; senior supervisor, Customer Technical Service; and manager, Technical Service, Union Carbide Corporation, Tarrytown, New York

Hannigan, HJ
Technical manager; senior supervisor, Customer Technical Service; and manager, Technical Service, Union Carbide Corporation, Tarrytown, New York

Pages: 17    Published: Jan 1980

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Abstract

Field experience revealing corrosion failures relating to engine cooling system design and material causes as well as coolant deficiencies are reviewed. Basic corrosion mechanisms are described and related to specific component failures. The role of ethylene glycol base inhibited coolants is discussed and the real world of consumer practices and service problems is described. Conclusions are developed which suggest viable approaches to further improvements in cooling system performance and reliability.