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ASM Handbook

Induction Heating and Heat Treatment

Edited by
Valery Rudnev
Valery Rudnev
Inductoheat Inc.
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George E. Totten
George E. Totten
Portland State University
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ASM International
Volume
4C
ISBN electronic:
978-1-62708-167-2
Publication date:
2014
Book Chapter

Induction Heating in Optical Fiber Draw Processing

By
Daniel W. Hawtof
Daniel W. Hawtof
Corning Incorporated
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Published:
2014
Page range:
795 - 798
Publication history
May 27, 2014

Abstract

The optical fiber preform is a long cylinder of glass that contains core and cladding glasses. This article describes the relationship between the peak furnace temperature, fiber draw tension, and fiber draw speed. It focuses on temperature requirements such as product viscosity, hot zone length, temperature profile, and heating cycle to draw the glass. The article provides information on process gases in the draw induction furnace, insulation package for induction heating operations, and furnace design and scalability. It reviews the key factors for the selection of susceptor materials, namely, cost, temperature cycling, and the impact on the product.

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Daniel W. Hawtof, 2014. "Induction Heating in Optical Fiber Draw Processing", Induction Heating and Heat Treatment, Valery Rudnev, George E. Totten

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