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The residual stress of magnet wire and crazing
Author(s) -
Masuda Shigeo,
Asano Nobuyuki
Publication year - 1976
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1976.070200208
Subject(s) - crazing , materials science , magnet , composite material , stress (linguistics) , residual stress , conductor , elongation , polymer , ultimate tensile strength , mechanical engineering , linguistics , philosophy , engineering
It is well known that crazing occurs sometimes when a magnet wire is immersed in an impregnating varnish after coiling. A quantitative study between residual stress of a magnet wire film and crazing is presented in this paper by using a magnet wire having poor adhesive strength between the film and the conductor. The residual stress of a magnet wire was found to be maximum in the range of 3–5% elongation. A morphological study of crazing which occurred in crosslinked and linear polymers is also described in this paper.