Transparent single crystalline ZrO2-SiO2 glass nanoceramic sintered by SPS

Fu, Le; Wu, Chengtie; Grandfield, Kathryn; Unosson, Erik; Chang, Jiang; Engqvist, Håkan; Xia, Wei

doi:10.1016/j.jeurceramsoc.2016.05.016

Cited by 60 publications

(45 citation statements)

References 22 publications

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“…Strength is another important factor to be considered when developing a new dental glass-ceramic. The average flexural strength of 35%ZrO2-65%SiO2 glass-ceramic is 268 MPa [33]. The strength increases with the increase of ZrO2 content in the glass-ceramics, reaching as high as 1014 MPa for 65%ZrO2-35%SiO2 glass-ceramic [67].…”

Section: Newly Developed Glass-ceramic: Zro2-sio2 Nanocrystalline Glamentioning

confidence: 99%

“…Like the above melting-casting-annealing process, the first step of the concurrent sinter-crystallization process is the preparation of raw powder. There are several ways to prepare raw powder, either by directly mixing oxides [31], or by the melting-quenching method to form cullet [32], or by the sol-gel method [33,34]. Crystallization occurs during the sintering process.…”

Section: Preparation Of Glass-ceramicmentioning

confidence: 99%

“…Despite the great acceptance and broad use of LD glass-ceramics, the evolution of new dental materials has attempted to develop glass-ceramic with higher mechanical strength and higher translucency. In the last few years, we developed a strong and highly-translucent ZrO 2 -SiO 2 nanocrystalline glass-ceramics [33,67]. In the glass-ceramics ZrO 2 nanoparticles (NPs) are homogeneously embedded in an amorphous SiO 2 matrix (Figure 9a,b).…”

Section: Newly Developed Glass-ceramic: Zro 2 -Sio 2 Nanocrystalline mentioning

confidence: 99%

“…Amorphous SiO 2 matrix show dark contrast. Reprinted from Ref[33] and Ref[67]. (c) Optical images and the average flexural strength of the sintered ZrO 2 -SiO 2 nanocrystalline glass-ceramics.…”

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confidence: 99%

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Glass–Ceramics in Dentistry: A Review

2020

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In this review, we first briefly introduce the general knowledge of glass–ceramics, including the discovery and development, the application, the microstructure, and the manufacturing of glass–ceramics. Second, the review presents a detailed description of glass–ceramics in dentistry. In this part, the history, property requirements, and manufacturing techniques of dental glass–ceramics are reviewed. The review provided a brief description of the most prevalent clinically used examples of dental glass–ceramics, namely, mica, leucite, and lithium disilicate glass–ceramics. In addition, we also introduce the newly developed ZrO2–SiO2 nanocrystalline glass–ceramics that show great potential as a new generation of dental glass–ceramics. Traditional strengthening mechanisms of glass–ceramics, including interlocking, ZrO2–reinforced, and thermal residual stress effects, are discussed. Finally, a perspective and outlook for future directions in developing new dental glass–ceramics is provided to offer inspiration to the dental materials community.

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Section: Newly Developed Glass-ceramic: Zro2-sio2 Nanocrystalline Glamentioning

confidence: 99%

Section: Preparation Of Glass-ceramicmentioning

confidence: 99%

Section: Newly Developed Glass-ceramic: Zro 2 -Sio 2 Nanocrystalline mentioning

confidence: 99%

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confidence: 99%

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Glass–Ceramics in Dentistry: A Review

2020

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“…In the literature are some works related to the stabilization of the tetragonal phase of zirconia with silica, which may be better than other additives, because the silica does not affect the structure of zirconia [10][11][12][13]. Additionally, it is known that silica has a high corrosion resistance as well as good biological properties [14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Coating of Titanium Substrates with ZrO2 and ZrO2-SiO2 Composites by Sol-Gel Synthesis for Biomedical Applications: Structural Characterization, Mechanical and Corrosive Behavior

et al. 2019

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The use of metallic materials as implants presents some major drawbacks, such as their harmful effects on the living organism, especially those induced by corrosion. To overcome this problem, the implant surface of titanium implants can be improved using a coating of bioactive and biocompatible materials. The aim of this work is the synthesis of SiO2/ZrO2 composites with different percentages of zirconia matrix (20, 33 and 50 wt.%), by the sol-gel method to coat commercial Grade 4 titanium disks using a dip coater. Attenuated total reflectance Fourier transform infrared (ATR/FTIR) spectroscopy was used to evaluate the interactions between the inorganic matrices. Furthermore, the mechanical properties and corrosive behavior of the SiO2/ZrO2 coatings were evaluated as a function of the ZrO2 content. The bioactive properties of the substrate coated with different composites were evaluated using simulated body fluid (SBF). The antibacterial activity was tested against gram-negative and gram-positive Escherichia coli and Enterococcus faecalis, respectively, to assess the release of toxic products from the different composites and to evaluate the possibility of using them in the biomedical field.

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Zirconia‐containing glass‐ceramics: From nucleating agent to primary crystalline phase

Shearer,

Montazerian,

Deng

et al. 2024

Int J Ceramic Engine & Sci

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This article reviews promising studies on the design, manufacturing, microstructure, properties, and applications of glass‐ceramics containing ZrO2 and relevant glass‐ceramic matrix composites. After the addition of ZrO2 to a glass‐ceramic composition, it can persist in the residual glassy phase, facilitate nucleation, and/or precipitate as ZrO2 or another zirconate crystalline phase. Also, ZrO2‐reinforced or ZrO2‐toughened glass‐ceramics can be designed as composites. In this article, the term “ZrO2‐containing glass‐ceramics” encompasses all these scenarios in which ZrO2 is present. Such glass‐ceramics offer a wide range of applications in modern industries, including but not limited to architecture, optics, dentistry, medicine, and energy. Since S. Donald Stookey's discovery of glass‐ceramics in the early 1950s, the most important scientific efforts reported in the literature are reviewed. ZrO2 is commonly added to glass‐ceramics to promote nucleation. As a result, the role of ZrO2 in structural modification of residual glass and stimulating the nucleation in glass‐ceramic is first discussed. ZrO2 can also be designed into the main crystalline phase of glass‐ceramics, contributing achieving super high fracture toughness above 4 MPa·m0.5. Experimental and computational studies are reviewed in detail to elucidate how the transformation toughening and other mechanisms help to achieve such high values of fracture toughness. Sintered and glass‐ceramic matrix composites also show promise, where ZrO2 contributes to improved stability and mechanical properties. Finally, we hope this article will provoke interest in glass‐ceramic materials in both the scientific and industrial communities so that their tremendous technological potential in developing, for example, tough, thermally stable, transparent, and biologically compatible materials can be realized more widely.

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Transparent single crystalline ZrO2-SiO2 glass nanoceramic sintered by SPS

Cited by 60 publications

References 22 publications

Glass–Ceramics in Dentistry: A Review

Glass–Ceramics in Dentistry: A Review

Coating of Titanium Substrates with ZrO2 and ZrO2-SiO2 Composites by Sol-Gel Synthesis for Biomedical Applications: Structural Characterization, Mechanical and Corrosive Behavior

Zirconia‐containing glass‐ceramics: From nucleating agent to primary crystalline phase

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