Abstract

Nondestructive testing and evaluation of aircraft are a great importance from the viewpoint of the integrity and flight safety. In aircraft structures, damage is likely to be observed around the rivets that connect the skin to the frames. This paper presents a sensor system which includes a linearly integrated solid-state Hall sensor array (LIHaS). The LIHaS has 64 InSb Hall sensors arrayed in 0.52 mm of interval respect to 33.28 mm length of measurement. The sensor system was tested on two flat layers of Aluminium alloy for inspecting far-side corrosions having 6~14 mm of diameter and 0.1~1.27 mm of depth.

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