Electronics Incorporated - The Shot Peener - Shot Peening Library
Title: Clemco Helps Fight the War on Corrosion
Author: Herb Tobben, Clemco Industries
Source: TSP, Vol 20 / Issue 2, Spring 2006
Publication year 2006
Document number: 2006011
Number of pages: 1
Abstract:
While most of the articles I submit to The Shot Peener relate to
shot peening, surface finishing, and other industrial applications, as a
tie-in to other articles in this issue, the editor invited me to talk about
Clemco’s involvement with corrosion.
Clemco’s mission is to develop and market superior corrosioncontrol
and surface-treatment technologies that deliver innovative,
high-performance cleaning and finishing solutions to industry
worldwide. As corrosion undermines the nation’s infrastructure,
and has serious safety implications for the world’s fleet of aircraft,
Clemco takes its role in fighting corrosion very seriously.
Components exposed to the elements eventually sustain
damage caused by atmospheric conditions that create corrosion.
The severity and the rate depend upon surface-formed electrolytes
(moisture), which in turn depend upon levels of atmospheric
humidity and pollution. The most common types of corrosion
include: general corrosion that is evenly distributed over a
surface, galvanic corrosion that results from contact of two dissimilar
metals, pitting corrosion that develops in a concentrated area,
and crevice corrosion that occurs in small spaces between structural
elements (rivets, bolts etc). Crevice corrosion is the most
common type of corrosion found on aircraft. It occurs where
water is trapped between two surfaces (under loose paint, in the
lap joints of aircraft skins, within a delaminated bond-line, or in
an unsealed joint). Undetected, untreated corrosion can cause
catastrophic structural failure.
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