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E. D. POPESCU1, T. ZAHARESCU2,* , G. GAVRILĂ1
The degradation resistance of LDPE electrical insulations is qualified under accelerated ageing by the exposure gamma radiation. LDPE compounded samples contain FeO, Fe2O3,, CrO3, or TiO2 in the concentration of 1 %. The effect of compounding upon the stability of LDPE insulations is discussed based on structural modifications revealed by FTIR spectroscopy and electrical resistivities pointed out by volume and surface conduction measurements. The considerations concerning the role of metallic impurities are presented for the evaluation of long term stability of electrical cables insulated with LDPE..
LDPE insulation, Degradation, Resistivity, γ-irradiation.
E. D. POPESCU, T. ZAHARESCU, G. GAVRILĂ, Insulation properties of degrading LDPE modified with metallic oxides, Optoelectronics and Advanced Materials - Rapid Communications, 5, 10, October 2011, pp.1056-1061 (2011).
Submitted at: Sept. 24, 2011
Accepted at: Oct. 20, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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