Low-temperature sintering of 45S5 Bioglass®-based glass ceramics: Effect of biphasic mixing approach on the mechanical and biological properties

Lin, Lingzhi; Zhang, Lei; Wang, Juncheng; Xie, Kailuo; Yang, Xianyan; Chen, Xiaoyi; Gao, Yang; Gao, Changyou; Gou, Zhongru

doi:10.1016/j.matlet.2014.04.028

Cited by 11 publications

(11 citation statements)

References 21 publications

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“…35 The high sintering temperatures of low-melting point BG oen result in extreme grain coarsening and awed structures. 36 This is also evidenced in AK40/NCS-B60 (1050, 1100 C), where the ceramic fracture surface shows signicant difference. An increase in sintering temperature up to 1150 C causes the small pores to disappear as a result of crystal-boundary migration and grain growth, which may explain the decrease in the mechanical strength of (porous) AK40/NCS-B60.…”

Section: Discussionmentioning

confidence: 73%

“…Overall, the strength (in the direction parallel to the pore channel) increased from AK100/NCS-B0 to AK60/NCS-B40, and then decreased for AK40/NCS-B60. The AK80/NCS-B20 and AK60/NCS-B40 scaffolds sintered at 1050 C showed more appreciable strength (19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36) than those sintered at 1100 C. Furthermore, these strength values for the scaffolds sintered at 1050 C were respectively nearly 6 and 10 times higher than that of AK100/NCS-B0 (1050 C), though the open porosity of the latter was only $2.8% higher than those of the AK80/NCS-B20 and AK60/NCS-B40 composite scaffolds. Moreover, it should be mentioned that the compressive strength and porosity of the porous scaffolds slowly decreased and increased, respectively, with the prolongation of the immersion time.…”

Section: Mechanical Properties Of 3d Printed Akx/ncs-by Scaffoldsmentioning

confidence: 99%

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45S5 Bioglass analogue reinforced akermanite ceramic favorable for additive manufacturing mechanically strong scaffolds

Wang

Zhang

et al. 2015

RSC Adv.

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Section: Discussionmentioning

confidence: 73%

Section: Mechanical Properties Of 3d Printed Akx/ncs-by Scaffoldsmentioning

confidence: 99%

45S5 Bioglass analogue reinforced akermanite ceramic favorable for additive manufacturing mechanically strong scaffolds

Wang

Zhang

et al. 2015

RSC Adv.

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“…For the body porcelain sintered at 675°C as shown in Figure 4(e,f), there were only some porcelain particles and no obvious pores on the porcelain surface. The amount of the pores decreased greatly, which improved the strength of the body porcelain [20].…”

Section: Resultsmentioning

confidence: 99%

Microwave sintering and fusion of low-fusing titanium body porcelain derived from sol–gel synthesis

Wang

Xue

Guo

et al. 2019

Advances in Applied Ceramics

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The titanium body porcelain was synthesised through sol-gel using borate-silicate system. The porcelain was characterised by X-ray diffraction (XRD), scanning electron microscope and threepoint flexure tests. The XRD and selected area electron diffraction (SAED) results showed that the porcelain was mainly amorphous. The SEM and TEM microphotographs showed that the shape of the porcelain particles was irregular and their sizes range from 5 to 25 μm, while there were no obvious pores on the porcelain surface. The flexure strength significantly increased from 18.9 to 70.6 MPa when the sintering temperature of the porcelain increased from 600 to 675°C and then slowly decreased to 49.1 MPa when the sintering temperature elevated to 700°C. The improvement of the strength was mainly due to the decrease of pores and increase of density. A closely bonded dense coating was fused on the Ti surface by microwave.

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“…The porcelains synthesised by the sol-gel combustion method have a higher sintering activity and lower sintering temperature, for its rational utilisation of the liberated energy from the high exothermic reaction of the fuels and oxidants [8,9]. Sol-gel combustion synthesis and microwave sintering can both reduce the synthetic and sintering temperature as ways of rapid synthetic methods [10,11], which will avoid bonding strength degradation caused by excessive oxidation of the titanium surface. Therefore, the research was focused on the sol-gel combustion synthesis and microwave fusion processing to prepare an amorphous body porcelain layer on Ti with a fine-grained microstructure [12].…”

Section: Introductionmentioning

confidence: 99%

Microwave Fusion of a Low-Fusing Titanium Body Porcelain Coating Derived From Facile Sol-Gel Combustion Synthesis

Qi-xuan¹

2019

Ceramics - Silikaty

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Titanium body porcelains were synthesised through the sol-gel combustion method by using carbamide and glycine as the composite organic fuels with a mole ratio of 7:3. Then the synthesised porcelain was microwave fused on the Ti surface. The porcelain was characterised by X-ray diffraction and scanning electron microscope tests. The XRD results showed that the body porcelains ignited at 400, 500 and 600 °C were all amorphous. When the ignited temperature is only 400 °C, some crystalline diffraction peaks of KNO 3 existed due to the incomplete combustion reaction. When the igniting temperature was elevated to 500 and 600 °C or a higher ratio of fuel to nitrates (1.25:1 and 1.5:1) was employed, the nitrates completely reacted and there was no obvious nitrate residue. The size and quantity of the pores slightly increased with the ratio of fuel to nitrates increased from 1:1 to 1.5:1. A dense coating with a homogeneous vitreous structure was fused on the Ti surface by microwaves.

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Low-temperature sintering of 45S5 Bioglass®-based glass ceramics: Effect of biphasic mixing approach on the mechanical and biological properties

Cited by 11 publications

References 21 publications

45S5 Bioglass analogue reinforced akermanite ceramic favorable for additive manufacturing mechanically strong scaffolds

45S5 Bioglass analogue reinforced akermanite ceramic favorable for additive manufacturing mechanically strong scaffolds

Microwave sintering and fusion of low-fusing titanium body porcelain derived from sol–gel synthesis

Microwave Fusion of a Low-Fusing Titanium Body Porcelain Coating Derived From Facile Sol-Gel Combustion Synthesis

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