Photothermal/photoacoustic method for in situ evaluation of radiation-hardened polyimide films

A non-contact, non-destructive method is used to determine viscoelastic and thermal transport properties of a DuPont Kapton film before and after neutron irradiation to determine the changes that would be expected to occur in a nuclear reactor environment. The results demonstrate general capabilitie...

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Published in:Journal of nuclear materials 1997-08, Vol.246 (2), p.256-259
Main Authors: Logan, Randy, Maznev, A.A., Nelson, Keith A., Megusar, Janez
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Language:English
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creator Logan, Randy
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description A non-contact, non-destructive method is used to determine viscoelastic and thermal transport properties of a DuPont Kapton film before and after neutron irradiation to determine the changes that would be expected to occur in a nuclear reactor environment. The results demonstrate general capabilities for in situ, non-destructive evaluation (NDE) of radiation-induced material degradation. The specific application demonstrated is evaluation of insulation materials to be used in a superconducting magnet design in the International Thermonuclear Experimental Reactor (ITER).
doi_str_mv 10.1016/S0022-3115(97)00090-1
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title Photothermal/photoacoustic method for in situ evaluation of radiation-hardened polyimide films
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