Polymeric seal degradation in nuclear power plants: Determination of physical and mechanical properties

PORTER, Christopher P., BEZZINA, James P., CLEGG, Francis and OGDEN, Mark D. (2018). Polymeric seal degradation in nuclear power plants: Determination of physical and mechanical properties. Journal of Applied Polymer Science, 135 (7), p. 45814.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/app.458...
Link to published version:: https://doi.org/10.1002/app.45814
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Abstract

o assess the suitability of different materials as polymeric seals in the Nuclear Industry three commercial samples of nitrile rubber at grades BA40, BA50, and BA60 have been tested. Differential scanning calorimetry was used to find the glass transition temperature (Tg) and a Lloyds Texture Analyser 500 (TA500) was used to find the ratio of energy returned during relaxation against energy applied during compression. The mechanical properties determined from these experiments were then compared against the materials infrared spectra to infer structural characteristics. These were in turn cross-analyzed against the materials ability to swell in a liquid solvent and absorption behavior in a gaseous solvent. From this information, a statement could be made about each material's capacity to perform as a seal. It was thus found that the high energy retention and low absorption characteristics of BA40 made this material the best choice out of those studied for use as a polymeric seal in the nuclear industry.

Item Type: Article
Additional Information: ** From Crossref via Jisc Publications Router. ** Licence for vor version of this article starting on 16-10-2017: http://onlinelibrary.wiley.com/termsAndConditions#vor
Uncontrolled Keywords: Materials Chemistry, General Chemistry, Surfaces, Coatings and Films, Polymers and Plastics
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Advanced Coatings and Composites Research Centre > Polymers, Composites and Spectroscopy Group
Identification Number: https://doi.org/10.1002/app.45814
Page Range: p. 45814
SWORD Depositor: Hilary Ridgway
Depositing User: Hilary Ridgway
Date Deposited: 25 Oct 2017 10:43
Last Modified: 18 Mar 2021 08:02
URI: https://shura.shu.ac.uk/id/eprint/17129

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