NASA Warns of Corrosion Risks from Faulty Aluminum Alloy 2219 Manufacturing

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NASA's Kennedy Space Center has issued a Technical Bulletin addressing quality concerns related to aluminum alloy 2219, a material commonly used in aerospace applications. The bulletin warns that improper casting and forging during manufacturing can introduce microstructural defects in the alloy. These defects can cause the material to respond poorly to anodic surface treatments, which are applied to improve durability. As a result, affected components may become more vulnerable to corrosion, posing potential risks in critical applications. The guidance was authored by Donald S. Parker of Kennedy Space Center and is available as a downloadable PDF.

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