Abstract
On Aug. 5, 1981, a Boeing 737 took off from Taiwan’s Taipei Songshan Airport with 110 people on board. Fourteen minutes after leaving the ground, the aircraft suffered an explosive decompression and disintegrated. No one survived. Investigators attributed the event in large part to extensive corrosion damage in the lower fuselage. More recently, the 2014 crash of a 28-year-old F-15 fighter jet in Virginia was blamed in part on corrosion. Such failures, thankfully rare, underscore the danger of corrosion in aircraft and the importance of corrosion-protecting surface treatments. However, bans on the aerospace industry’s main weapon against corrosion, compounds based on hexavalent chromium, is looming in Europe. Treatment formulators and paint makers are scrambling to find effective substitutes, but executives say the effort is a challenge. Plating chemical makers such as Coventya, Luster-On, and SurTec and paint makers such as PPG Industries and AkzoNobel have known for some time that
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