METHOD FOR ACCELERATED TEST OF ALUMINIDE COATING FOR HIGH- TEMPERATURE CORROSIVE DURABILITY

摘要

FIELD: corrosion resistance tests, in particular method for accelerated test of aluminide coating for high-temperature corrosive durability.;SUBSTANCE: claimed method includes sample salt corrosion test at 900⁰C. Sample is placed over crucible containing (mass %): sodium sulfate 48; sodium chloride 17; magnesium sulfate 15; iron(III) chloride; vanadium(V) oxide; calcium chloride 5. Corrosion durability is defined as augmentation of weight increment more than 10 g/m²for 3 h. Method of present invention may be used to select coat with the most endurance.;EFFECT: decreased test time and natural-like test condition.