Class IE electric cables can generally withstand 40 years of degradation from predicted operational environments and still perform safety-related functions even during and after accidents. These cables degrade through deterioration of insulation material, possibly leading to mechanical and electrical failure after decades of operation. The elongation at break is usually used as the critical parameter. However, elongation testing is destructive and requires relatively large specimens, making it undesirable for analyzing installed cables. In this paper, indenter modulus and break-elongation test for condition assessment of NPP cables were performed after accelerated ageing under heating and radiation. The test results showed that the relation between break-elongation and indenter modulus, and concluded that Indenter modulus can be effectively used to condition assessment of NPP cable ageing degradation.
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18th International Conference on Nuclear Engineering
May 17–21, 2010
Xi’an, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4929-3
PROCEEDINGS PAPER
Condition Assessment of NPP Cables Through Indenter Modulus and Break-Elongation Test Available to Purchase
Tao Liu,
Tao Liu
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
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Fei Han,
Fei Han
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
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Haining Shi,
Haining Shi
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
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Xinming Jin
Xinming Jin
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
Search for other works by this author on:
Tao Liu
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
Fei Han
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
Haining Shi
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
Xinming Jin
Suzhou Nuclear Power Research Institute, Suzhou, Jiangsu, China
Paper No:
ICONE18-30317, pp. 877-881; 5 pages
Published Online:
April 8, 2011
Citation
Liu, T, Han, F, Shi, H, & Jin, X. "Condition Assessment of NPP Cables Through Indenter Modulus and Break-Elongation Test." Proceedings of the 18th International Conference on Nuclear Engineering. 18th International Conference on Nuclear Engineering: Volume 1. Xi’an, China. May 17–21, 2010. pp. 877-881. ASME. https://doi.org/10.1115/ICONE18-30317
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