Modification of the Geographic Corrosivity Index and its Application to Overseas Bases
2008
Bitcon, J. C. | Russo, S. G.
A Geographic Corrosivity Index (GCI) has been developed previously that models the atmospheric corrosivity at RAAF bases within Australia. Geographic, wind and other climate data are used to calculate the index for each base. The correlation of the GCI with atmospheric corrosion data from a large number of overseas bases, covering a broader range of geographic features and climatic conditions than experienced in Australia, was investigated to test its wider application. Modifications have been made to the GCI that enable it to be used with greater confidence for bases around the world that are within 200 km of the coast. Bases greater than 200 km from the coast have low corrosion rates, and a simpler algorithm based on time of wetness and distance from the coast has been used to predict atmospheric corrosivity at these inland sites.
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