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Oxidation characteristics of Ti3AlC2 over the temperature range 500-900 °C

Journal Article


Abstract


  • Titanium aluminium carbide (Ti3AlC2) displays a unique combination of characteristics of both metals and ceramics coupled with an unusual combination of mechanical, electrical and thermal properties. In this research, the oxidation characteristics of Ti3AlC2 over the temperature range 500-900 °C were studied by synchrotron radiation diffraction (SRD) and secondary-ion mass spectrometry (SIMS) experiments which provided elemental and phase compositional depth profiles over this range. Evidence for the outward diffusion of Al during oxidation was shown for the first time by the complementary SIMS results, which suggested the existence of amorphous Al or aluminium oxide at low temperature oxidation. At 500 °C, only anatase-TiO2 was detected by SRD in addition to the parent Ti3AlC2. Transformation of anatase to rutile was observed at 600 °C and was completed by 900 °C. The crystalline phase α-Al2O3 was detected at 900 °C but not at lower temperatures.

UOW Authors


  •   Pang, Wei Kong
  •   Low, Itmeng (external author)
  •   O'Connor, Brian H. (external author)
  •   Sun, Zheng-Ming (external author)
  •   Prince, Kathryn (external author)

Publication Date


  • 2009

Citation


  • Pang, W. K., Low, I. M., O'Connor, B. H., Sun, Z. M. & Prince, K. E. (2009). Oxidation characteristics of Ti3AlC2 over the temperature range 500-900 °C. Materials Chemistry and Physics, 117 (2-3), 384-389.

Scopus Eid


  • 2-s2.0-67651233344

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/2175

Has Global Citation Frequency


Number Of Pages


  • 5

Start Page


  • 384

End Page


  • 389

Volume


  • 117

Issue


  • 2-3

Place Of Publication


  • Switzerland

Abstract


  • Titanium aluminium carbide (Ti3AlC2) displays a unique combination of characteristics of both metals and ceramics coupled with an unusual combination of mechanical, electrical and thermal properties. In this research, the oxidation characteristics of Ti3AlC2 over the temperature range 500-900 °C were studied by synchrotron radiation diffraction (SRD) and secondary-ion mass spectrometry (SIMS) experiments which provided elemental and phase compositional depth profiles over this range. Evidence for the outward diffusion of Al during oxidation was shown for the first time by the complementary SIMS results, which suggested the existence of amorphous Al or aluminium oxide at low temperature oxidation. At 500 °C, only anatase-TiO2 was detected by SRD in addition to the parent Ti3AlC2. Transformation of anatase to rutile was observed at 600 °C and was completed by 900 °C. The crystalline phase α-Al2O3 was detected at 900 °C but not at lower temperatures.

UOW Authors


  •   Pang, Wei Kong
  •   Low, Itmeng (external author)
  •   O'Connor, Brian H. (external author)
  •   Sun, Zheng-Ming (external author)
  •   Prince, Kathryn (external author)

Publication Date


  • 2009

Citation


  • Pang, W. K., Low, I. M., O'Connor, B. H., Sun, Z. M. & Prince, K. E. (2009). Oxidation characteristics of Ti3AlC2 over the temperature range 500-900 °C. Materials Chemistry and Physics, 117 (2-3), 384-389.

Scopus Eid


  • 2-s2.0-67651233344

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/2175

Has Global Citation Frequency


Number Of Pages


  • 5

Start Page


  • 384

End Page


  • 389

Volume


  • 117

Issue


  • 2-3

Place Of Publication


  • Switzerland