NDLI: Adhesion between polymers and evaporated gold and nickel films

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Adhesion between polymers and evaporated gold and nickel films

Content Provider	NASA Technical Reports Server (NTRS)
Author	Yamada, Y. Buckley, D. H. Wheeler, D. R.
Copyright Year	1984
Description	To obtain information on the adhesion between metal films and polymeric solids, the adhesion force was measured by means of a tensile pull test. It was found that the adhesion strengths between polymeric solids and gold films evaporated on polymer substrates were (1.11 + or - 0.53) multiplied by 10(6) N/M(2) on PTFE, about 5.49 multiplied by 10(6) N/m(2) on UHMWPE, and 6.54x10(6) on 6/6 nylon. The adhesion strengths for nickel films evaporated on PTFE, UHMWPE, and 6/6 nylon were found to be a factor of 1.7 higher than those for the gold coated PTFE, UHMWPE, and 6/6 nylon. To confirm quantitatively the effect of electron irradiation on the adhesion strength between a PTFE solid and metal films, a tensile pull test was performed on the irradiated PTFE specimens, which were prepared by evaporating nickel or gold on PTFE surfaces irradiated by 2-keV electrons for various times. After irradiation, the adhesion strength increased to (4.92 + or - 0.92)x10(6) N/m(2) for nickel coated PTFE and (1.82 + or - 0.48)x10(6) N/m(2) for gold coated PTFE. The improvement in adhesion for nickel is higher than that for gold.
File Size	716147
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19840023309
Archival Resource Key	ark:/13960/t3712ws5c
Language	English
Publisher Date	1984-08-01
Access Restriction	Open
Subject Keyword	Nonmetallic Materials Polyethylenes Radiation Effects Van Der Waals Forces Metal Films Nickel Coatings Electron Irradiation Tensile Tests Adhesion Tests Gold Coatings Evaporation Nylon Trademark Adhesion Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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