Startseite Thermal shock behavior of rare earth modified alumina ceramic composites
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Thermal shock behavior of rare earth modified alumina ceramic composites

  • Junlong Sun und Changxia Liu
Veröffentlicht/Copyright: 4. Mai 2017
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 108 Heft 5

Abstract

Alumina matrix ceramic composites toughened by AlTiC master alloys, diopside and rare earths were fabricated by hot-pressing and their thermal shock behavior was investigated and compared with that of monolithic alumina. Results showed that the critical thermal shock temperature (ΔT) of monolithic alumina was 400 °C. However, it decreased to 300 °C for alumina incorporating only AlTiC master alloys, and increased with further addition of diopside and rare earths. Improvement of thermal shock resistance was obtained for alumina ceramic composites containing 9.5 wt.% AlTiC master alloys and 0.5 wt.% rare earth additions, which was mainly attributed to the formation of elongated grains in the composites.

Keywords: Alumina; Thermal shock resistance; AlTiC master alloys; Diopside; Rare earths
*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: 2016-12-07
Accepted: 2017-02-01
Published Online: 2017-05-04
Published in Print: 2017-05-15

© 2017, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Downloads and the impact of Open Access at IJMR
  5. Original Contributions
  6. A material selection approach using the TODIM (TOmada de Decisao Interativa Multicriterio) method and its analysis
  7. Investigation of the influence of Fe on the microstructure and properties of Ti5553 near-β titanium alloy with combinatorial approach
  8. Evolution of the temperature, microstructures and microsegregation in equiaxed solidification of Al-5 wt.% Cu alloy
  9. Phase composition and microstructure of materials in the Ir–Ru–B system prepared by arc melting and VHP sintering
  10. Thermal shock behavior of rare earth modified alumina ceramic composites
  11. Investigation of tribological and corrosion properties of CuTi–alumina nanocomposite fabricated by mechanical alloying
  12. Effect of acetic acid on corrosion behavior of AISI 201, 304 and 430 stainless steels
  13. Verification of strength mis-match of electron beam welded heavy thickness titanium alloy
  14. Short Communications
  15. Effect of toughening Fe2B by the addition of tungsten on the wear resistance of Fe–B–C alloy
  16. Microstructural stability of heat-resistant high-pressure die-cast Mg-4Al-4Ce alloy
  17. DGM News
  18. DGM News
https://doi.org/10.3139/146.111490
Schlagwörter für diesen Artikel
Alumina; Thermal shock resistance; AlTiC master alloys; Diopside; Rare earths

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Downloads and the impact of Open Access at IJMR
  5. Original Contributions
  6. A material selection approach using the TODIM (TOmada de Decisao Interativa Multicriterio) method and its analysis
  7. Investigation of the influence of Fe on the microstructure and properties of Ti5553 near-β titanium alloy with combinatorial approach
  8. Evolution of the temperature, microstructures and microsegregation in equiaxed solidification of Al-5 wt.% Cu alloy
  9. Phase composition and microstructure of materials in the Ir–Ru–B system prepared by arc melting and VHP sintering
  10. Thermal shock behavior of rare earth modified alumina ceramic composites
  11. Investigation of tribological and corrosion properties of CuTi–alumina nanocomposite fabricated by mechanical alloying
  12. Effect of acetic acid on corrosion behavior of AISI 201, 304 and 430 stainless steels
  13. Verification of strength mis-match of electron beam welded heavy thickness titanium alloy
  14. Short Communications
  15. Effect of toughening Fe2B by the addition of tungsten on the wear resistance of Fe–B–C alloy
  16. Microstructural stability of heat-resistant high-pressure die-cast Mg-4Al-4Ce alloy
  17. DGM News
  18. DGM News
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