Assessment of the performance of three clear coatings for use in heritage conservation by an oxygen consumption technique
Without the protection provided by anti-corrosive paints, vehicles, bridges and industrial heritage would not have survived for long. Where these coatings fail or are damaged, ferrous metal requires further protection. To provide insight into coating failure a survey of paint layers and corrosion products found on historic wrought iron and mild steel was carried out around Scotland. Corrosion has also been found to be a major contributor to structural damage of historic armoured vehicles. When choosing coatings within conservation, decisions are based on qualitative data and practitionersâ experience rather than evidence based standards for specific ferrous alloys in particular environmental conditions. Limited quantitative data exists hence this research seeks to produce quantified data via a standardised approach. To provide environmental context for the laboratory based tests, temperature and humidity data from the Tank Museum has been considered. Thus the anti-corrosive performances of clear coatings on historic armoured steel have been assessed in controlled temperature and relative humidity by using a sensitive corrosion monitoring technique. For relevance to the conservation sector common materials,
Lawson, Amber
CC Archaeology ; Q Science (General)
Assessment of the performance of three clear coatings for use in heritage conservation by an oxygen consumption technique. Without the protection provided by anti-corrosive paints, vehicles, bridges and industrial heritage would not have survived for long. Where these coatings fail or are damaged, ferrous metal requires further protection. To provide insight into coating failure a survey of paint layers and corrosion products found on historic wrought iron and mild steel was carried out around Scotland. Corrosion has also been found to be a major contributor to structural damage of historic armoured vehicles. When choosing coatings within conservation, decisions are based on qualitative data and practitionersâ experience rather than evidence based standards for specific ferrous alloys in particular environmental conditions. Limited quantitative data exists hence this research seeks to produce quantified data via a standardised approach. To provide environmental context for the laboratory based tests, temperature and humidity data from the Tank Museum has been considered. Thus the anti-corrosive performances of clear coatings on historic armoured steel have been assessed in controlled temperature and relative humidity by using a sensitive corrosion monitoring technique. For relevance to the conservation sector common materials,
assessment performance clear use heritage conservation oxygen consumption technique without protection provide anti paint vehicle bridge industrial heritage would survive long fail damage metal require protection provide_insight failure survey paint layer corrosion_product find historic wrought iron steel carry around scotland corrosion also_find major contributor structural damage historic vehicle choose within conservation decision base qualitative_data practitioner experience rather evidence base standard specific alloy particular environmental_condition limited quantitative_data exists hence seek produce quantify data via standardised approach provide environmental_context laboratory base test temperature humidity data tank museum consider thus anti performance clear historic armour steel assess controlled temperature relative humidity use sensitive corrosion monitoring technique relevance conservation sector common material