Application of the positron annihilation
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S. Nishijima; Y. Honda; T. Okada
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Article
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1995
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Elsevier Science
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English
⚖ 244 KB
The positron annihilation method was used to evaluate the unoccupied spaces in epoxies with the aim of molecular design of epoxies for cryogenic use. The fracture toughness of commercially available epoxies was measured and compared with the lifetime TV. Evaluation by positron annihilation enabled t