Core/clad phosphate glass fibres containing iron and/or titanium

Phosphate glasses are novel amorphous biomaterials due to their fully resorbable characteristics, with controllable degradation profiles. In this study, phosphate glasses containing titanium and/or iron were identified to exhibit sufficiently matched thermal properties (glass transition temperatur...

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Main Authors:	Ahmed, Ifty, Shaharuddin, Sharifah Imihezri, Sharmin, N., Furniss, D., Rudd, C.
Format:	Article
Language:	English
Published:	De Gruyter Open 2015
Subjects:	TA164 Bioengineering TP785 Clay industries. Ceramics. Glass. Cement industries
Online Access:	http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/1/Core_Clad_Phosphate_Glass_Fibres_Containing_Iron_Titanium.pdf

id	iium-48457
recordtype	eprints
spelling	iium-484572016-01-19T03:47:23Z http://irep.iium.edu.my/48457/ Core/clad phosphate glass fibres containing iron and/or titanium Ahmed, Ifty Shaharuddin, Sharifah Imihezri Sharmin, N. Furniss, D. Rudd, C. TA164 Bioengineering TP785 Clay industries. Ceramics. Glass. Cement industries Phosphate glasses are novel amorphous biomaterials due to their fully resorbable characteristics, with controllable degradation profiles. In this study, phosphate glasses containing titanium and/or iron were identified to exhibit sufficiently matched thermal properties (glass transition temperature, thermal expansion coefficient and viscosity) which enabled successful co-extrusion of glass billets to form a core/clad preform. The cladding composition for the core/clad preforms were also reversed. Fe clad and Ti clad fibres were successfully drawn with an average diameter of between 30~50 µm. The average cladding annular thickness was estimated to be less than 2 µm. Annealed core/clad fibres were degraded in PBS for a period of 27 days. The strength of the Fe clad fibres appeared to increase from 303 ± 73 MPa to 386 ± 45 MPa after nearly 2 weeks in the dissolution medium (phosphate buffered solution) before decreasing by day 27. The strength of the Ti clad fibres revealed an increase from 236 ± 53 MPa to 295 ± 61 MPa when compared at week 3. The tensile modulus measured for both core/clad fibres ranged between 51 GPa to 60 GPa. During the dissolution study, Fe clad fibres showed a peeling mechanism compared to the Ti clad fibres. De Gruyter Open 2015-07-20 Article NonPeerReviewed application/pdf en http://irep.iium.edu.my/48457/1/Core_Clad_Phosphate_Glass_Fibres_Containing_Iron_Titanium.pdf Ahmed, Ifty and Shaharuddin, Sharifah Imihezri and Sharmin, N. and Furniss, D. and Rudd, C. (2015) Core/clad phosphate glass fibres containing iron and/or titanium. Biomed. Glasses, 1 (1). pp. 20-30. ISSN 2299-3932 http://www.degruyter.com/ 10.1515/bglass-2015-0004
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TA164 Bioengineering TP785 Clay industries. Ceramics. Glass. Cement industries
spellingShingle	TA164 Bioengineering TP785 Clay industries. Ceramics. Glass. Cement industries Ahmed, Ifty Shaharuddin, Sharifah Imihezri Sharmin, N. Furniss, D. Rudd, C. Core/clad phosphate glass fibres containing iron and/or titanium
description	Phosphate glasses are novel amorphous biomaterials due to their fully resorbable characteristics, with controllable degradation profiles. In this study, phosphate glasses containing titanium and/or iron were identified to exhibit sufficiently matched thermal properties (glass transition temperature, thermal expansion coefficient and viscosity) which enabled successful co-extrusion of glass billets to form a core/clad preform. The cladding composition for the core/clad preforms were also reversed. Fe clad and Ti clad fibres were successfully drawn with an average diameter of between 30~50 µm. The average cladding annular thickness was estimated to be less than 2 µm. Annealed core/clad fibres were degraded in PBS for a period of 27 days. The strength of the Fe clad fibres appeared to increase from 303 ± 73 MPa to 386 ± 45 MPa after nearly 2 weeks in the dissolution medium (phosphate buffered solution) before decreasing by day 27. The strength of the Ti clad fibres revealed an increase from 236 ± 53 MPa to 295 ± 61 MPa when compared at week 3. The tensile modulus measured for both core/clad fibres ranged between 51 GPa to 60 GPa. During the dissolution study, Fe clad fibres showed a peeling mechanism compared to the Ti clad fibres.
format	Article
author	Ahmed, Ifty Shaharuddin, Sharifah Imihezri Sharmin, N. Furniss, D. Rudd, C.
author_facet	Ahmed, Ifty Shaharuddin, Sharifah Imihezri Sharmin, N. Furniss, D. Rudd, C.
author_sort	Ahmed, Ifty
title	Core/clad phosphate glass fibres containing iron and/or titanium
title_short	Core/clad phosphate glass fibres containing iron and/or titanium
title_full	Core/clad phosphate glass fibres containing iron and/or titanium
title_fullStr	Core/clad phosphate glass fibres containing iron and/or titanium
title_full_unstemmed	Core/clad phosphate glass fibres containing iron and/or titanium
title_sort	core/clad phosphate glass fibres containing iron and/or titanium
publisher	De Gruyter Open
publishDate	2015
url	http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/ http://irep.iium.edu.my/48457/1/Core_Clad_Phosphate_Glass_Fibres_Containing_Iron_Titanium.pdf
first_indexed	2023-09-18T21:08:43Z
last_indexed	2023-09-18T21:08:43Z
_version_	1777411108649304064

Core/clad phosphate glass fibres containing iron and/or titanium

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