Details

Autor(en) / Beteiligte

• David, E.
• Fourmigue, J.-M.
• Parpal, J.-L.
• Crine, J.-P.

Titel

Correlation between FTIR spectra and birefringence measurements in XLPE cable insulation

Ist Teil von

• [Proceedings] 1992 Annual Report: Conference on Electrical Insulation and Dielectric Phenomena, 1992, p.602-609

Ort / Verlag

IEEE

Erscheinungsjahr

1992

Quelle

IEEE Electronic Library Online

Beschreibungen/Notizen

• The authors report infrared (IR) absorption measurements conducted on laboratory-aged and unaged cross-linked polyethylene (XLPE) cable samples. Variations in the IR absorbance of the methyl group (1377 cm/sup -1/) and the carbonyl groups ( approximately 1700 cm/sup -1/) were recorded as a function of both radial and angular coordinates for the samples. These variations were found to be strongly correlated with optical birefringence measurements made on the same samples. Morphological parameters and IR absorption differ in regions containing residual stresses compared to unstressed regions, in both aged and unaged cables. It is believed that these variations originate from nonuniform mechanical and thermal stresses during manufacturing.< >