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Proceedings Paper

Diffusion between glass and metals for optical fiber preform extrusion
Author(s): Felicia Yan Xin Yeo; Zhifeng Zhang; Dileep Kumar Chakkathara Janardhanan Nair; Yilei Zhang
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Paper Abstract

When silica is extruded, diffusion of metal atoms into silica results contamination to the silica being heated, and thus is a serious concern for the glass extrusion process, such as extrusion of glass fiber preform. This paper examines diffusion between fused silica and two high strength metals, the stainless steel SS410 and the superalloy Inconel 718, at 1000 °C and under the normal atmosphere condition by SEM and Electron Dispersion Spectrum. It is found that diffusion occurs between silica and SS410, and at the same time, SS410 is severely oxidized during diffusion experiment. On the contrary, the diffusion between Inconel 718 and silica is unnoticeable, suggesting excellent high temperature performance of Inconel 718 for glass extrusion.

Paper Details

Date Published: 17 July 2015
PDF: 6 pages
Proc. SPIE 9524, International Conference on Optical and Photonic Engineering (icOPEN 2015), 95242S (17 July 2015); doi: 10.1117/12.2190640
Show Author Affiliations
Felicia Yan Xin Yeo, Nanyang Technological Univ. (Singapore)
Zhifeng Zhang, Nanyang Technological Univ. (Singapore)
Dileep Kumar Chakkathara Janardhanan Nair, Nanyang Technological Univ. (Singapore)
Yilei Zhang, Nanyang Technological Univ (Singapore)

Published in SPIE Proceedings Vol. 9524:
International Conference on Optical and Photonic Engineering (icOPEN 2015)
Anand K. Asundi; Yu Fu, Editor(s)

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