Hydrogen embrittlement

October 19, 2011 - 5:04pm

The FAA has issued an Airworthiness Directive for the Gulfstream Aerospace Galaxy and Gulfstream 200, citing cracked nuts found on the aircraft’s production line during routine post-assembly inspection. Investigation revealed that the cracks resulted from hydrogen embrittlement combined with high hardness.

November 24, 2010 - 9:20am

“We have a specialized process to repair damaged cadmium that makes it particularly suitable to AOG applications,” Derek Vanek, Sifco Applied Surface Concepts manager of inside sales and support, told AIN. Vanek explained that high-strength steel, such as that used in landing gear and other cadmium-plated structural components, is susceptible to hydrogen embrittlement.

 
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