Effectiveness of ceramic coatings in reducing corrosion of five heat-resistant alloys by lead-bromide vapors

Dwight G. Moore, Mary A. Mason
naca-tn-2380
Jun 1951


Lead compounds in the combustion products of high-octane fuel have been suspected of being a contributing factor in causing failures of the heat-resistant alloy parts in aircraft exhaust systems. The principal lead compound present in the exhaust gases is lead bromide PbBr(2) and it was desirable to determine whether this compound, which is present in the vapor state at operating temperatures, could be corrosive toward these alloys under laboratory tests conditions.

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