Optical and mechanical anisotropy of oxide glass fibers

J. Deubener, Yuanzheng Yue

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Abstract

Upon fiber drawing, glass forming oxide melts are thermally quenched and mechanically stretched. High cooling rates (up to 106 K/min) of quenched glass fibres lead to higher enthalpy state of liquids, thereby, to higher fictive temperature than regular quenching (e.g. 20 K/min) of bulk glass products [1], whereas stretching (frozen-in strain) results in optical and mechanical anisotropy of glass fibers, which is quantified inter alia by the specific birefringence [2]. The paper will stress the later effects by combining previous results on the structural origins of birefringence and anisotropic shrinkage in silica and phosphate fibers with recent studies on relaxation of optical anisotropy in E-glass fibers [3,4].
OriginalsprogEngelsk
TitelInternational Glass Fiber Symposia 2012: Proceedings of the first International Symposium on Glass Fiber
Antal sider2
ForlagInstitut für Textiltechnik of RWTH Aachen University
Publikationsdato2012
Sider44-45
ISBN (Trykt)978-3-00-039860-5
StatusUdgivet - 2012
BegivenhedInternational Glass Fiber Symposia - Aachen, Tyskland
Varighed: 16 okt. 201219 okt. 2012

Konference

KonferenceInternational Glass Fiber Symposia
Land/OmrådeTyskland
ByAachen
Periode16/10/201219/10/2012

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