An Evaluation of the Vehicle Anti-Corrosion Processes-The Development of Accelerated Aging Tests on the Track and in the Laboratory 845139

The ever increasing use of de-icing products and the falling of acid rain, contribute, among other things, to the making of a particularly agressive environment for motor vehicles, creating sooner or later, corrosion of their components.
The motor makers strive to diminish the deterioration caused by oxidation by implementing counter-measures which require evaluation using accelerated aging tests.
The validity of these tests (Representativeness, Exactness, Sensitiveness) command, to a great extent, the choice and the efficiency of the solutions adopted.
This paper describes the tests in this particular field selected by RENAULT, and covers both the laboratory sample tests and those involving the complete vehicle.
The steps carried out to relate these tests with the real utilization conditions of the vehicles have also been presented.


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