A novel synthesis route and mechanical properties of Si–O–C cured Yytria stabilised zirconia (YSZ)–graphene composite

Markandan, Kalaimani; Tan, Michelle T.T.; Chin, Jit Kai; Lim, Siew Shee

doi:10.1016/j.ceramint.2014.11.008

Cited by 23 publications

(15 citation statements)

References 19 publications

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“…Dimensions were measured with a digital micrometer (Mitutoyo, Kawasaki, Japan). Total porosity was calculated by a comparison of the density with the theoretical density of 5.68 g/cm 3 for YSZ [38].…”

Section: Total Porosity Measurementmentioning

confidence: 99%

Characterization of 3D Printed Yttria-Stabilized Zirconia Parts for Use in Prostheses

et al. 2021

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The main aim of the present paper is to study and analyze surface roughness, shrinkage, porosity, and mechanical strength of dense yttria-stabilized zirconia (YSZ) samples obtained by means of the extrusion printing technique. In the experiments, both print speed and layer height were varied, according to a 22 factorial design. Cuboid samples were defined, and three replicates were obtained for each experiment. After sintering, the shrinkage percentage was calculated in width and in height. Areal surface roughness, Sa, was measured on the lateral walls of the cuboids, and total porosity was determined by means of weight measurement. The compressive strength of the samples was determined. The lowest Sa value of 9.4 μm was obtained with low layer height and high print speed. Shrinkage percentage values ranged between 19% and 28%, and porosity values between 12% and 24%, depending on the printing conditions. Lowest porosity values correspond to low layer height and low print speed. The same conditions allow obtaining the highest average compressive strength value of 176 MPa, although high variability was observed. For this reason, further research will be carried out about mechanical strength of ceramic 3D printed samples. The results of this work will help choose appropriate printing conditions extrusion processes for ceramics.

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Section: Total Porosity Measurementmentioning

confidence: 99%

Characterization of 3D Printed Yttria-Stabilized Zirconia Parts for Use in Prostheses

et al. 2021

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“…This is because; despite the fact that monolithic ceramics are commonly known as a promising structural material with high stiffness, strength, and stability at high temperatures; they are still susceptible to brittleness, mechanical unreliability, and poor electrical conductivity. [3][4][5][6][7] In view of these limitations, ceramic matrix composites have been developed. Thanks to graphene's exceptional properties (Young's modulus of 1 TPa, breaking strength of 42 N/m, and in plane electrical conductivity of 10 7 S/m) 8,9 incorporating graphene into ceramics has great potential to produce tough and electrically conductive ceramic composites which could solve a wider range of material related challenges in processing industries, aerospace, transportation, and military applications.…”

Section: Introductionmentioning

confidence: 99%

Recent progress in graphene based ceramic composites: a review

2016

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“…As studied in the literature, monolithic ceramics are usually known for stiffness, temperature stability, and strength, but they still lack brittleness, electrical conductivity and are mechanically unreliable. [6][7][8][9][10] Hence, ceramic nanoparticles were developed. Much of the research work has been done in this field.…”

Section: Ceramic-based Nanocompositesmentioning

confidence: 99%

Effect of nanofillers and nanotoxicity on the performance of composites: Influencing factors, future scope, challenges and applications

et al. 2022

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Nanocomposites are the innovative form of materials used at the nanoscale (1–100 nm in size). Parent materials are insufficient to satisfy the desired requirement to fulfill all the needs, hence to enhance various performances of composites, a suitable nanofiller (nanoparticle) can be used. The present study focuses on nanocomposite properties, types, and characteristic features. Nanocomposites that take advantage of fibers and nanofillers synergistically contribute to improved properties and environmental conditions by making them suitable for a wide range of applications (aerospace, automobile industries, electronics, biomedical, etc.). Nanocomposites are now being used in almost every field and find a wide spectrum of applications, including waste water treatment, corrosion protection, and so forth. In the present study, the effect of excessive use of nanoparticles (nanotoxicity) has also been addressed.

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A novel synthesis route and mechanical properties of Si–O–C cured Yytria stabilised zirconia (YSZ)–graphene composite

Cited by 23 publications

References 19 publications

Characterization of 3D Printed Yttria-Stabilized Zirconia Parts for Use in Prostheses

Characterization of 3D Printed Yttria-Stabilized Zirconia Parts for Use in Prostheses

Recent progress in graphene based ceramic composites: a review

Effect of nanofillers and nanotoxicity on the performance of composites: Influencing factors, future scope, challenges and applications

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