| Studies on the Properties of Stained Mica |
R. N. DHAR, S. S. MANDAL AND S. B. ROY
Pages : 14-26
DOI : 10.1080/0371750X.1964.10855475 |
| Abstract |
| With a vtew to prop,erly evaluate the so-called inferior grades of mica a
systematic study was made of the dielectric properties of different types of stained
mica from Bihar. Stains and inclusions were found to have very! littlf effect upon
resistivity and dielectric strength and from the results it is apparent that all the
varieties of stained mica are equally suitable for the purpose of normal insulation
up to a temp,erature of 400°C. Even though power factor was fou,nd to increase
with the amount of air and mineral inclusions still it could be concluded that an
appreciable portion of the so-called inferior grades of mica were suitable for use
in condensers. |
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