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Influence of Processing Parameters on the Strength of Fluoride Glass Fibers
Author(s) -
Orcel Gérard,
Biswas Dipak
Publication year - 1991
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1991.tb04114.x
Subject(s) - materials science , ultimate tensile strength , fluoride , composite material , glass fiber , compressive strength , fiber , chemistry , inorganic chemistry
The different factors affecting the tensile strength of heavy‐metal fluoride glasses are presented. Surface crystals were found to be responsible for the lower fiber strength. The tensile strength of fluoride glass fibers can be increased by controlling the preform surface and drawing in a dry atmosphere. Using lower draw temperature and dual polymeric coatings increases the strength. Finally, phosphate glass overclad on fluoride glass fiber can be used to prevent surface hydrolysis during the drawing process and increases the tensile strength of fibers due to formation of compressive stress on the outside of the glass fiber.