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Fracture surface analysis in composite and titanium bonding: Part 1: Titanium bondingFractured lap shear Ti 6-4 adherends bonded with polyphenyquinoxaline (PPQ) and polysulfone were analyzed. The effects of adherend pretreatment, stress level, thermal aging, anodizing voltage, and modified adhesive of Ti 6-4 adherend bonded with PPQ on lap shear strength were studied. The effect of adherend pretreatment on lap shear strength was investigated for PS samples. Results of scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) used to study the surface topography and surface composition are also discussed.
Document ID
19850017123
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Sanderson, K. A. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Wightman, J. P. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Date Acquired
September 5, 2013
Publication Date
April 1, 1985
Subject Category
Composite Materials
Report/Patent Number
NAS 1.26:175750
NASA-CR-175750
Report Number: NAS 1.26:175750
Report Number: NASA-CR-175750
Accession Number
85N25434
Funding Number(s)
CONTRACT_GRANT: NAG1-343
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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