Computer Science
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.540..709p&link_type=abstract
In: Proceedings of the 9th International Symposium on Materials in a Space Environment, 16-20 June 2003, Noordwijk, The Netherla
Computer Science
Space Environment, Materials
Scientific paper
The effect of proton radiation on polyimide film with thickness of 40 μm was investigated. The specimens were irradiated with a given flux of 1.2×1012p/cm2s and the energy of 60 to 170 keV. The experimental results show that under the proton irradiation both the tensile fracture strength and the elongation decrease slightly. The spectral transmittance Tλ of the polyimide film decreases noticeably with increasing proton fluence. An absorption band forms in the visible region, and shifts to higher wavelengths with the fluence increase. The transmittance does not change with the proton energy in the experimental range. From the XPS results, it could be drawn that the scission of carbon to nitrogen bonds took place in the skin layer of proton irradiated polyimide film. The scission of the macromolecule chains was considered as the reason for the variation in tensile properties, and the change in radical concentration and surface structure as the major contributor to the change of optical properties.
He Shiyu
Peng Guirong
Yang Dezhuang
No associations
LandOfFree
A study on properties and chemical structure of polyimide film irradiated with protons does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A study on properties and chemical structure of polyimide film irradiated with protons, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A study on properties and chemical structure of polyimide film irradiated with protons will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1153225