The stress rupture specification for Composite Overwrapped Pressure Vessels (COPV) is discussed. The composite shell of the COPV shall be designed to meet the design life considering the time it is under sustained load. A Mechcanical Damage Control Plan (MDCP) shall be created and implemented that assures the COPV will not fail due to mechanical damage due to manufacturing, testing, shipping, installation, or flight. Proven processes and procedures for fabrication and repair shall be used to preclude damage or material degradation during material processing, manufacturing operations, and refurbushment.Selected NDI techniques for the liner and/or boss(es) shall be performed before overwrapping with composite. When visual inspection reveals mechanical damage or defects exceeding manufacturing specification levels (and standard repair procedures), the damaged COPV shall be submitted to a material review board (MRB) for disposition. Every COPV shall be subjected to visual and other non-destructive inspection (NDI), per the inspection plan.


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    Title :

    ANSI/AIAA S-081A, Pressure Vessel Standards Implementation Guidelines


    Contributors:

    Conference:

    AIAA Joint Propulsion Conference: ANSI/AIAA S-081A, Pressure Vessel Standards Implementation Guidelines ; 2009 ; Denver, CO, United States


    Publication date :

    2009-08-06


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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