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Analysis of stress concentration in the Dutton groove regions of the Super Lightweight External TankBecause 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.
Document ID
19950023907
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Ahmed, R. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1995
Subject Category
Structural Mechanics
Report/Patent Number
NAS 1.15:108490
NASA-TM-108490
Accession Number
95N30328
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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