17 NACE INTERNATIONAL: VOL. 56, NO. 4 MATERIALS PERFORMANCE APRIL 2017
Information on corrosion control and prevention
A New Approach to Corrosion-Resistant
Aerospace Designs
T
o help engineers and designers make
good design and maintenance
material choices by predicting and
quantif ying galvanic corrosion risk at
material interfaces, an easy-to-use
software program was developed by
Corrdesa, LLC (Newnan, Georgia) for the
Sea-Based Aviation team under a Small
Business Innovation Research contract
from the Off ice of Naval Research (ONR)
(Arlington, Virginia). The software, avail-
able online and as an app for iOS and
Android platforms,
calculates the galvanic
corrosion current and
corrosion rate using an
electrochemical
database of qualif ied
polarization curves for
various materials. The
software innovation,
Corrosion Djinn™—
Galvanic Corrosion
Risk Prediction, is a
recipient of a 2017 MP
Corrosion Innovation
of the Year Award.
Galvanic corrosion
between dissimilar
materials is a primary
Galvanic corrosion around a bushing in an F/A-18 wing airframe.
NAVAIR photo.
Continued on page 18
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