Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid
Ternary (55₋ₓ)V₂O₅₋45PbO-(ₓ)ZnO (ₓ= 0-15 mol%) and 35V₂O₅₋(65₋ₓ)TeO2-(ₓ)Li₂O (ₓ = 10-50 mol%) glass series were prepared by the melt-quenching method. Elastic and structural properties of the glasses were investigated by measuring sound velocity using the pulse-echo-overlap technique and Fourier Tra...
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2015
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| Online Access: | http://ir.uitm.edu.my/id/eprint/17818/ http://ir.uitm.edu.my/id/eprint/17818/1/TM_SITI%20LAILA%20ABDUL%20HAMID%20AP%2015_5.pdf |
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uitm-178182018-10-18T06:55:58Z http://ir.uitm.edu.my/id/eprint/17818/ Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid Abdul Hamid, Siti Laila Ternary (55₋ₓ)V₂O₅₋45PbO-(ₓ)ZnO (ₓ= 0-15 mol%) and 35V₂O₅₋(65₋ₓ)TeO2-(ₓ)Li₂O (ₓ = 10-50 mol%) glass series were prepared by the melt-quenching method. Elastic and structural properties of the glasses were investigated by measuring sound velocity using the pulse-echo-overlap technique and Fourier Transform Infrared (FTIR) spectroscopy, respectively. Properties such as density (p), molar volume (Vₐ), and glass transition temperature (Tg) were also reported. For (55-ₓ)V₂O₅₋45PbO- (ₓ)ZnO glass series, results from the study showed that both longitudinal and shear velocities decreased at x = 5 mol% with the increase of ZnO concentration. The independent longitudinal and shear moduli, CL and ju and Young's modulus (Y) also showed decreasing trend at ₓ = 5 mol% as the fraction of ZnO increases. FTIR analysis showed an increase in non-bridging oxygen (NBO) as indicated by the increase in intensity of VO4 assigned peaks at ₓ = 5 mol% while the increase in intensity of VO5 assigned peaks at ₓ > 5 mol% indicates increasing bridging oxygen (BO). The glass transition temperature (Tg) showed a decrease at x = 0-5 mol% which implies increase in non-bridging oxygen (NBO) while an increase of Tg for ₓ = 10-15 mol% indicates the decrease in NBO. 2015 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/17818/1/TM_SITI%20LAILA%20ABDUL%20HAMID%20AP%2015_5.pdf Abdul Hamid, Siti Laila (2015) Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid. Masters thesis, Universiti Teknologi MARA. |
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Digital Repository |
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Local University |
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Universiti Teknologi MARA |
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UiTM Institutional Repository |
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Online Access |
| language |
English |
| description |
Ternary (55₋ₓ)V₂O₅₋45PbO-(ₓ)ZnO (ₓ= 0-15 mol%) and 35V₂O₅₋(65₋ₓ)TeO2-(ₓ)Li₂O (ₓ = 10-50 mol%) glass series were prepared by the melt-quenching method. Elastic and structural properties of the glasses were investigated by measuring sound velocity using the pulse-echo-overlap technique and Fourier Transform Infrared (FTIR) spectroscopy, respectively. Properties such as density (p), molar volume (Vₐ), and glass transition temperature (Tg) were also reported. For (55-ₓ)V₂O₅₋45PbO- (ₓ)ZnO glass series, results from the study showed that both longitudinal and shear velocities decreased at x = 5 mol% with the increase of ZnO concentration. The independent longitudinal and shear moduli, CL and ju and Young's modulus (Y) also showed decreasing trend at ₓ = 5 mol% as the fraction of ZnO increases. FTIR analysis showed an increase in non-bridging oxygen (NBO) as indicated by the increase in intensity of VO4 assigned peaks at ₓ = 5 mol% while the increase in intensity of VO5 assigned peaks at ₓ > 5 mol% indicates increasing bridging oxygen (BO). The glass transition temperature (Tg) showed a decrease at x = 0-5 mol% which implies increase in non-bridging oxygen (NBO) while an increase of Tg for ₓ = 10-15 mol% indicates the decrease in NBO. |
| format |
Thesis |
| author |
Abdul Hamid, Siti Laila |
| spellingShingle |
Abdul Hamid, Siti Laila Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| author_facet |
Abdul Hamid, Siti Laila |
| author_sort |
Abdul Hamid, Siti Laila |
| title |
Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| title_short |
Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| title_full |
Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| title_fullStr |
Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| title_full_unstemmed |
Elastic and structural properties of V₂O₅-PbO-ZnO and V₂O₅-TeO₂-Li₂O glass systems / Siti Laila Abdul Hamid |
| title_sort |
elastic and structural properties of v₂o₅-pbo-zno and v₂o₅-teo₂-li₂o glass systems / siti laila abdul hamid |
| publishDate |
2015 |
| url |
http://ir.uitm.edu.my/id/eprint/17818/ http://ir.uitm.edu.my/id/eprint/17818/1/TM_SITI%20LAILA%20ABDUL%20HAMID%20AP%2015_5.pdf |
| first_indexed |
2023-09-18T22:59:08Z |
| last_indexed |
2023-09-18T22:59:08Z |
| _version_ |
1777418055064748032 |