TB 26-02 Effects of Large Grain Size in Composite Overwrapped Pressure Vessel
NASA
by Meagan ChappellFebruary 18, 2026
The NASA Engineering and Safety Center (NESC) performed an assessment to characterize the effects of abnormal grain growth (AGG) within a metallic liner of a composite overwrapped pressure vessel (COPV). This effort focused on evaluating the mechanical response of the liner material, including the strain amplification factor (SAF), using a series of custom-designed coupons that […]
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spacescience
Originally published on NASA on 2/18/2026