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LARC-13 adhesive developmentA LARC-13 type adhesive system was developed and property data obtained that demonstrated improved thermomechanical properties superior to base LARC-13 adhesive. An improved adhesive for 589 K (600 F) use was developed by physical or chemical modification of LARC-13. The adhesive was optimized for titanium and composite bonding, and a compatible surface preparation for titanium and composite substrates was identified. The data obtained with the improved adhesive system indicated it would meet the 589 K (600 F) properties desired for application on space shuttle components. Average titanium lap shear data were: (1) 21.1 MPa (3355 psi) at RT, (2) 13.0 MPa (1881 psi) at 600 F, and (3) 16.4 MPa (2335) after aging 125 hours at 600 F and tested at 600 F.
Document ID
19800022973
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hill, S. G. (Boeing Aerospace Co. Seattle, WA, United States)
Sheppard, C. H. (Boeing Aerospace Co. Seattle, WA, United States)
Johnson, J. C. (Boeing Aerospace Co. Seattle, WA, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1980
Subject Category
Composite Materials
Report/Patent Number
NASA-CR-159317
REPT-2-3621
Report Number: NASA-CR-159317
Report Number: REPT-2-3621
Accession Number
80N31479
Funding Number(s)
CONTRACT_GRANT: NAS1-15562
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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