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Recent failures of 40 000 series ceramic bead insulators (TM-ETR-105)

Last updated on 28 June 2013 11:52

The failure of the 11 000 and 37 000 series ceramic bead insulators in late 1973 after very short service lives precipitated a number of improvements in their construction and assembly. The bonding of the silicone rubber to the glass fibre and beads was improved whilst the change back to...

Author(s): Wheeler J.C.G.;Bradwell A.;Tansley J.

Organisation(s): British Rail Research ;

1978

United Kingdom

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