Nettoyage et stabilisation de surfaces métalliques peintes: application à la restauration d'une voiture autochenille

Authors: Degrigny, C.; Morel, O.; Morvan, J.; Maire, J. M.; Boucard, S.

Source: Studies in Conservation, Volume 40, Number 4, 1995 , pp. 227-236(10)

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Abstract:

Examination of the painted metal parts of a Citroën catelpillar car known as ‘Le Croissant d'Argent’, which took part in the Sahara Crossing of 1922–23, revealed that despite widespread corrosion the original paintwork had survived. A procedure was devised to clean and stabilize the painted metal surfaces, using pads soaked in a complexing solution of the tetrasodium salt of edta to dissolve surface corrosion products, and stabilizing oxidized iron alloys with an alcoholic acid mixture. This method is offered as a useful alternative for those responsible for automobile collections when minimal intervention is judged sufficient. The tests carried out to develop the treatments are also described.

Document Type: Research Article

Publication date: 1995-11-01

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