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Article | REF: D2660 V1

Carbon in electrical engineering

Authors: Michel COULON, Conrad REYNVAAN, Jacques MAIRE

Publication date: March 10, 1994

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AUTHORS

 INTRODUCTION

Directors at Le Carbone-Lorraine

Because of its properties, the element carbon is the essential or sole constituent of a whole range of materials with diverse applications.

This article [D 2 660] is devoted exclusively to electrical engineering applications, which represent only part of its use. After reviewing the general properties of carbons and graphites 1 , describing some traditional manufacturing processes and new products, we turn to applications involving the passage of electric current:

  • electrodes (§ 2.1 and 2.3 ), particularly in electric batteries, where the chemical inertia of carbon is used;

  • arc coals 2.2 where the refractoriness and low resistivity of graphite are used;

  • Joule effect

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