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NASA-LLIS-2038

Lessons Learned – To Bond or to Bolt, That is the Question [Export Version]

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:29:00Z
date available2017-09-04T17:29:00Z
date copyright39777
date issued2008
identifier otherCQYCQCAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/152041
description abstractAbstract:
Following vibration test and bakeout of the OSTM Advanced Microwave Radiometer (AMR) Reflector Structure Assembly (RSA), it was discovered that thermal stress had caused delamination in the joint between metallic fittings and the graphite composite skin of the RSA. The joints were subsequently reinforced with bolts. Although adhesive bonding provides an elegant design solution for joining spacecraft structures and other components, alternative joining methods such as mechanical fasteners should be considered where environmental stress analysis suggests uncertainty in the safety margins. Evaluate thermal stress of bonded joints early in the design phase, and perform coupon tests that accurately represent the joint application.
languageEnglish
titleNASA-LLIS-2038num
titleLessons Learned – To Bond or to Bolt, That is the Question [Export Version]en
typestandard
page4
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;2008
contenttypefulltext
subject keywords1.Flight Equipment
subject keywords1.Hardware
subject keywords1.Parts
subject keywordsMaterials & Processes
subject keywords1.Payloads
subject keywords1.Quality
subject keywords1.Reliability
subject keywords1.Review systems and boards
subject keywords1.Spacecraft
subject keywords1.Spacecraft and Spacecraft Instruments
subject keywords1.Test & Verification


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