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Ceramics, Volume 3, Issue 4

2020 December - 8 articles

Cover Story: TiO2 ceramics were produced by the high-pressure SPS of an anatase nanopowder. When the pressure increased from 76 to 400 MPa, the anatase to rutile transition temperature decreased from 700 to 550 °C and the densification process occurred at lower temperatures. Under 400 MPa, the rate of the phase transition increased significantly, inducing an abrupt volume reduction of 8%, which generated strong stress leading to twinning and fracture of the rutile grains. In the final ceramic, the majority of the grains consisted of twinned crystals resulting in a reduction of the crystallite size, compare to ceramics sintered at lower pressure. View this paper
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Articles (8)

  • Article
  • Open Access
15 Citations
3,981 Views
12 Pages

Dense MgB2 Ceramics by Ultrahigh Pressure Field-Assisted Sintering

  • Mythili Prakasam,
  • Felix Balima,
  • Jacques Noudem and
  • Alain Largeteau

21 December 2020

Magnesium diboride (MgB2) ceramics, due to their impressive transition temperature of 39 K for superconductivity, have been widely investigated. The possibility to obtain highly dense MgB2 ceramics with fine microstructure and grain boundaries acting...

  • Article
  • Open Access
10 Citations
4,322 Views
14 Pages

Effect of High Pressure Spark Plasma Sintering on the Densification of a Nb-Doped TiO2 Nanopowder

  • Alexandre Verchère,
  • Sandrine Cottrino,
  • Gilbert Fantozzi,
  • Shashank Mishra,
  • Thomas Gaudisson,
  • Nicholas Blanchard,
  • Stéphane Pailhès,
  • Stéphane Daniele and
  • Sylvie Le Floch

4 December 2020

Sintering under pressure by means of the spark plasma sintering (SPS) technique is a common route to reduce the sintering temperature and to achieve ceramics with a fine-grained microstructure. In this work, high-density bulk TiO2 was sintered by hig...

  • Article
  • Open Access
7 Citations
7,016 Views
13 Pages

Production of Transparent Soda-Lime Glass from Rice Husk Containing Iron and Manganese Impurities

  • Jaderson Gonçalves,
  • Gustavo da Silva,
  • Liandra Lima,
  • Daniella Morgado,
  • Marcelo Nalin,
  • Luis E. G. Armas,
  • Chiara Valsecchi and
  • Jacson W. Menezes

25 November 2020

Glass is a familiar material that requires abundant mineral sources, with devastating consequences for the environment. Rice husk ash (RHA) presents a very high silica content (>95%) and it can be a very promising alternative source for silica in...

  • Review
  • Open Access
28 Citations
9,268 Views
18 Pages

17 November 2020

Summarizing the work of nearly a decade of research on spark plasma sintering (SPS), a review is given on the specificities and key factors to be considered in SPS of ceramic materials, based on the authors’ own research. Alumina is used primar...

  • Review
  • Open Access
2 Citations
7,262 Views
23 Pages

The Role of Sacrificial and/or Protective Layers to Improve the Sintering of Electroactive Ceramics: Application to Piezoelectric PZT-Printed Thick Films for MEMS

  • Hélène Debéda,
  • Maria-Isabel Rua-Taborda,
  • Onuma Santawitee,
  • Simon Grall,
  • Mario Maglione,
  • U-Chan Chung and
  • Catherine Elissalde

16 November 2020

Piezoelectric thick films are of real interest for devices such as ceramic Micro-ElectroMechanical Systems (MEMS) because they bridge the gap between thin films and bulk ceramics. The basic design of MEMS includes electrodes, a functional material, a...

  • Article
  • Open Access
10 Citations
4,407 Views
13 Pages

2 November 2020

Yttria stabilized zirconia (Y-TZP) is frequently used in dental and engineering applications due to its high strength and fracture resistance. In this study, 2Y-TZP samples were manufactured from commercially available powder produced by detonation s...

  • Article
  • Open Access
2 Citations
3,728 Views
12 Pages

Grain-Size Effects on Multi-Wire Slurry Sawing of Translucent Alumina Ceramics

  • Lea Schmidtner,
  • Mathias Herrmann and
  • Christos G. Aneziris

13 October 2020

The technology of multi-wire sawing is well established in the production of silicon wafers but can also be applied in the production of ceramic substrates. In this study, the influence of the Al2O3-grain size of the alumina ceramic on the efficiency...

  • Article
  • Open Access
6 Citations
3,427 Views
7 Pages

Transmission Electron Microscopy Investigations on a Polysiloxane Preceramic Polymer Pyrolyzed at High Temperature in Argon

  • Sébastien Vry,
  • Marilyne Roumanie,
  • Richard Laucournet and
  • Guillaume Bernard-Granger

3 October 2020

A commercially available methylphenylvinylhydrogen polysiloxane preceramic polymer was cross-linked and pyrolyzed in argon in order to study if this compound could be used as an organic precursor for the manufacture of silicon carbide parts by photop...

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Ceramics - ISSN 2571-6131