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Adhesive evaluation of LARC-TPI and a water-soluble version of LARC-TPIThe results of a study to evaluate two Langley Research Center thermoplastic polimide (TPI) materials, identified as TPI/MTC for the material from Mitsui Toatsu Chemicals Inc. and TPI/H2O for the material from United Technologies Research Center, as high temperature thermoplastic adhesives and primers for bonding titanium (6AL-4V) adherends are discussed. A limited characterization of the materials was performed using a Diffuse Reflectance-Fourier Transform Infrared Spectroscopy (DR-FTIR) technique. Thermomechanical Analysis (TMA) and torsional braid techniques were used to determine glass transition temperature. The adhesive's strength, as determined by simple lap shear tests, was used to evaluate the effects of long term thermal exposure (up to 1000 hrs) at 204 deg C and a 72-hour water-boil.
Document ID
19860046395
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Progar, D. J.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: International Journal of Adhesion and Adhesives
Volume: 6
ISSN: 0143-7496
Subject Category
Nonmetallic Materials
Accession Number
86A31133
Distribution Limits
Public
Copyright
Other

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