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Hot pressing of Al2O3 matrix ceramic materials improved by diopside additive

  • Liu Changxia , Sun Junlong and Tian Zhongmin
Published/Copyright: November 5, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 104 Issue 11

Abstract

As a sintering aid, diopside was introduced into alumina matrix ceramic materials. Composites were fabricated using transient liquid phase sintering, during which new phases such as mullite, anorthite and CaO · 6Al2O3 were produced by the chemical reactions taking place between alumina and diopside. The densification rate of the composites as a function of diopside volume content is discussed. The hardness, fracture toughness and bending strength of the composites were tested. Meanwhile, the effects of diopside content, grain size and interface on mechanical properties and fracture mechanism of alumina matrix ceramic materials are analyzed and discussed.

Keywords: Alumina; Diopside; Mechanical properties; Microstructures; Hot pressing
* Correspondence address, Associate Professor Liu Changxia, School of Transportation, Ludong University, Yantai 264025, Shandong Province, P.R. China, Tel.: +86-15866472136, Fax: +86-0535-6681847, E-mail:

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Received: 2012-09-06
Accepted: 2013-06-14
Published Online: 2013-11-05
Published in Print: 2013-11-14

© 2013, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110967
Keywords for this article
Alumina; Diopside; Mechanical properties; Microstructures; Hot pressing

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Solubility of nitrogen in ferrite; the Fe–N phase diagram
  5. The Li–C phase equilibria
  6. Experimental study of phase equilibria in the “SnO”–SiO2–“FeO” system at silica saturation, and fixed oxygen partial pressures at 1473 K
  7. The evolution of Y distribution during the processing route of mechanically alloyed iron studied by means of atom probe tomography
  8. Oscillative surface morphology in peritectic NiAl using phase-field modeling
  9. Microstructural characterisation of oxide layer developed by sulphuric anodisation on 2017A alloys
  10. Wear and corrosion behaviour of AISI 310 and AISI 316 stainless steels in synthetic mine water
  11. Superplasticity of coarse-grained Ti-13V-11Cr-3Al alloy
  12. Research on the creep fracture mechanism of FGH95 Ni-based superalloy
  13. Hot pressing of Al2O3 matrix ceramic materials improved by diopside additive
  14. Tungsten heavy alloy as a filler metal for repair welding of dies for high pressure die casting
  15. A one-pot synthesis of Ag/α-Fe2O3 nanoplates with gelatin and their photocatalytic activity
  16. Short Communications
  17. Effects of coating solution concentration on the interlaminar shear strength of carbon fiber/epoxy/nano-CaCO3 composites
  18. People
  19. Dr.-Ing. Christa Blank
  20. DGM News
  21. DGM News
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