Because the 2195 aluminum-lithium material of the super lightweight external tank (SLWT ET) has a lower toughness than the 2219 aluminum used in previous ET's, careful attention must be paid to stress concentrations. This report details the analysis performed on some of the stress concentrations in the orthogrid panels of the liquid hydrogen tank.


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    Title :

    Analysis of Stress Concentration in the Dutton Groove Regions of the Super Lightweight External Tank


    Contributors:
    R. Ahmed (author)

    Publication date :

    1995


    Size :

    36 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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