Applying D Sight Technology to Aging Aircraft Corrosion NDI

951140

03/01/1995

Event
Airframe Finishing, Maintenance & Repair Conference & Exposition
Authors Abstract
Content
The problem of early detection of sub surface Lap Joint corrosion in the fuselage section of aircraft is critical to the continued air worthiness of aging aircraft. The large area of lap joint to be inspected requires a high speed system of measurement. D Sight is an enhanced visual technique that allows rapid inspection and early detection of lap joint corrosion. With the presence of inter-layer corrosion, a very distinctive surface budge or pillowing occurs between the lap joint rivets. D Sight imaging technology magnifies surface curvature changes to the exterior skin of the aircraft making them readily apparent. Extremely low levels of corrosion can be detected below the surface as the oxidized material distorts the lap joint and creates shape changes on the outermost skin. The D Sight sensitivity to local curvature change amplifies the effect dramatically and instantaneously. Stored D Sight images, compared with current images can readily determine a change in a specific area of an aircraft, while constantly updating maintenance records.
Meta TagsDetails
DOI
https://doi.org/10.4271/951140
Pages
8
Citation
Willie, D., "Applying D Sight Technology to Aging Aircraft Corrosion NDI," SAE Technical Paper 951140, 1995, https://doi.org/10.4271/951140.
Additional Details
Publisher
Published
Mar 1, 1995
Product Code
951140
Content Type
Technical Paper
Language
English