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Engineering Materials Technology, 2nd Edition
book

Engineering Materials Technology, 2nd Edition

by William Bolton
October 2013
Intermediate to advanced content levelIntermediate to advanced
468 pages
20h 15m
English
Newnes
Content preview from Engineering Materials Technology, 2nd Edition
114
Engineering
Materials Technology
Table 5.14 Dielectric strength
values
for typical materials
Material
Dielectric strength (Vim
x 10
8
)
Polymers
Acrylic
Nylon
PVC
Ceramics
Alumina
Glass
2.0
1.7
5.5
1.2
0.2
Dielectric strength
- this is a measure of the highest potential difference an
insulating material can withstand without electrical breakdown, being
defined by the equation
Dielectric strength =
breakdown voltage
insulator thickness
A high value of dielectric strength is a vital requirement for an electrical
insulator. The values given above, however, must only be taken as
indicative of the types of values that can occur, since the dielectri ...
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Publisher Resources

ISBN: 9781483141077