Abstract
Three kinds of diallyl phthalate resin plates were cast under different polymerizing conditions. The plates were irradiated with fission fragments, α-particles, fast and thermal neutrons. After irradiation, the plates were etched with an aqueous solution or a PEW solution. After etching, enlarged nuclear tracks on the plates were observed and counted using an optical microscope. All plates were found to have high detection efficiency for fission fragments, but to be insensitive to α-particles, fast and thermal neutrons. The etching speed of fission tracks on under-cured plates was faster than that on full- and over-cured plates whichever etching solution was used. In the case of adopting the aqueous solution, surface roughness occurs remarkably on the full- and over-cured plates in comparison with the under-cured plates. From these experimental results the conclusion was drawn that the under-cured plate was superior to the full- and over-cured plates as fission track detector.
Published Version
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