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In situ synthesis–sintering of YAG/MAS composites by reactive spark plasma sintering

Abstract

In this work, Y3Al5O12/magnesium aluminate spinel composites were successfully in situ synthesized and sintered by the reactive spark plasma sintering (RSPS) method. The effect of the SPS temperature on the synthesized phases and microstructure was investigated by x-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). The XRD results showed that the in situ reactions occurred at 1000 to 1300 °C during RSPS. The maximum density (4 g/cm3) and hardness (19.7 GPa) were obtained for the composition which was consolidated at 1300 °C for 10 min.

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Acknowledgements

The authors would like to sincerely acknowledge Mr. Hosein Rajaei, Mr. Alireza Jam, and Mr. Sasan Ghashghai for their constructive comments.

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Correspondence to Mohammad Zakeri.

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Irankhah, R., Rahimipour, M.R., Zakeri, M. et al. In situ synthesis–sintering of YAG/MAS composites by reactive spark plasma sintering. J Aust Ceram Soc 54, 395–399 (2018). https://doi.org/10.1007/s41779-017-0165-0

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  • DOI: https://doi.org/10.1007/s41779-017-0165-0

Keywords

  • Spark plasma sintering
  • YAG/MAS
  • In situ composite
  • Microstructure