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Ion-beam etching enhances adhesive bondingMetals and fluoropolymers exposed to 0.5 to 1.0 keV argon ions at current densities of 0.2 to 1.5 mA/sq cm develop surface texturing that increases tensile and shear strength of epoxy bonds. Bonds are 46 to 100 percent stronger than those of chemically etched surfaces. Metals require 3 to 4 hours of bombardment to become properly textured. Fluoropolymers require 5 seconds to 30 minutes. Ion beam will not texture nickel. Unlike chemical treatments, bonding of fluoropolymers can be done days or months after ion treatment.
Document ID
19800000128
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Banks, B. A.
Mirtich, M. J.
Sovey, J. S.
Date Acquired
August 10, 2013
Publication Date
August 1, 1980
Publication Information
Publication: NASA Tech Briefs
Volume: 5
Issue: 1
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LEW-13028
Accession Number
80B10128
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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