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Influence of Ta2O5 doping on mechanical and biological properties of silicate glass-ceramics

Madeeha Riaz

Madeeha Riaz

Pakistan
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Riaz, Madeeha
, 
Rehana Zia

Rehana Zia

Pakistan
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Zia, Rehana
, 
Farhat Saleemi

Farhat Saleemi

Pakistan
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Saleemi, Farhat
, 
Farooq Bashir

Farooq Bashir

Pakistan
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Bashir, Farooq
, 
Riaz Ahmad

Riaz Ahmad

Pakistan
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Ahmad, Riaz
 y 
Tousif Hossain

Tousif Hossain

Pakistan
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Hossain, Tousif
  
27 abr 2016
Influence of Ta2O5 doping on mechanical and biological properties of silicate glass-ceramics's Cover Image
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Categoría del artículo: Research Article
Publicado en línea: 27 abr 2016
Páginas: 13 - 18
Recibido: 17 ene 2015
Aceptado: 23 nov 2015
DOI: https://doi.org/10.1515/msp-2016-0013
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©2016 Wroclaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

The DSC thermogram of tantalum based glassceramics showing crystallization temperature (Tc).
The DSC thermogram of tantalum based glassceramics showing crystallization temperature (Tc).

Fig. 2

Comparative X-ray diffraction patterns of (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1, (e)
Comparative X-ray diffraction patterns of (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1, (e)

Fig. 3

Change in crystallite size with Ta2O5 concentration using Scherer’s formula.
Change in crystallite size with Ta2O5 concentration using Scherer’s formula.

Fig. 4

SEM micrographs of surfaces of glass-ceramics (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3, respectively.
SEM micrographs of surfaces of glass-ceramics (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3, respectively.

Fig. 5

The variation of grain size and porosity with change in Ta2O5 concentration (mol%).
The variation of grain size and porosity with change in Ta2O5 concentration (mol%).

Fig. 6

Apparent density and compressive strength as function of Ta2O5 concentration in mol%.
Apparent density and compressive strength as function of Ta2O5 concentration in mol%.

Fig. 7

The XRD patterns for (a) Ta0, (b) TA0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3 glass-ceramics after 30-day immersion in Stimulated Body Fluid (SBF).
The XRD patterns for (a) Ta0, (b) TA0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3 glass-ceramics after 30-day immersion in Stimulated Body Fluid (SBF).

Fig. 8

SEM-EDX micrographs of surfaces of glassceramics (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3 after soaking in SBF for 30 days.
SEM-EDX micrographs of surfaces of glassceramics (a) Ta0, (b) Ta0.1, (c) Ta0.5, (d) Ta1 and (e) Ta3 after soaking in SBF for 30 days.

Glass transition temperature Tg and crystallization temperature Tc_

Sample IDChemical composition (mol%)Glass transition temperature [Tg] °CCrystallization temperature [Tc] °C
Ta046.1SiO2–0Ta2O5–26.9CaO–24.4Na2O–2.6P2O5546.9837.7
Ta01 46.0SiO2–0.1Ta2O5–26.9CaO–24.4Na2O–2.6P2O5540.1824.6
Ta05 45.6SiO2–0.5Ta2O5–26.9CaO–24.4Na2O–2.6P2O5506.8818.9
Ta145.1SiO2–1Ta2O5–26.9CaO–24.4Na2O–2.6P2O5449.4763.1
Ta343.1SiO2–3Ta2O5–26.9CaO–24.4Na2O–2.6P2O5312.4709.6
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Temas de la revista:
Ciencia de los materiales, Ciencia de los materiales, otros, Nanomateriales, Materiales funcionales e inteligentes, Características y propiedades de los materiales
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