Preparation and flash sintering of MgTiO3 nanopowders obtained by the polyacrylamide gel method

Preparation and flash sintering of MgTiO3 nanopowders obtained by the polyacrylamide gel method Applied Surface Science 442 (2018) 12–19 Contents lists available at ScienceDirect Applied Surface Science journal homepage: www.elsevier.com/locate/apsusc Full Length Article Preparation and flash sintering of MgTiO nanopowders obtained by the polyacrylamide gel method Xinghua Su , Ge Bai, Jing Zhang, Jie Zhou, Yongjie Jia School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China ar ti c l e i nf o ab stra ct Article history: Using a polyacrylamide gel method, phase pure and well-dispersed MgTiO nanopowders were prepared Received 23 November 2017 at 800 C for 2 h. It was found that a high mole ratio of monomers to precursors resulted in low formation Revised 23 January 2018 temperature of MgTiO , due to the highly mixing homogeneity and smaller particle sizes of precursors. Accepted 31 January 2018 Sintering behaviors of MgTiO nanopowders under DC electric field from 500 to 800 V/cm were investi- Available online 6 February 2018 gated. Nearly full dense MgTiO ceramics can be prepared in 30 s. An abrupt and simultaneous increase in current density and power dissipation were observed in sintering process, which are characteristics of Keywords: flash sintering. The power dissipation for the flash sintering was found to be 82 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Preparation and flash sintering of MgTiO3 nanopowders obtained by the polyacrylamide gel method

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2018.01.316
Publisher site
See Article on Publisher Site

Abstract

Applied Surface Science 442 (2018) 12–19 Contents lists available at ScienceDirect Applied Surface Science journal homepage: www.elsevier.com/locate/apsusc Full Length Article Preparation and flash sintering of MgTiO nanopowders obtained by the polyacrylamide gel method Xinghua Su , Ge Bai, Jing Zhang, Jie Zhou, Yongjie Jia School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China ar ti c l e i nf o ab stra ct Article history: Using a polyacrylamide gel method, phase pure and well-dispersed MgTiO nanopowders were prepared Received 23 November 2017 at 800 C for 2 h. It was found that a high mole ratio of monomers to precursors resulted in low formation Revised 23 January 2018 temperature of MgTiO , due to the highly mixing homogeneity and smaller particle sizes of precursors. Accepted 31 January 2018 Sintering behaviors of MgTiO nanopowders under DC electric field from 500 to 800 V/cm were investi- Available online 6 February 2018 gated. Nearly full dense MgTiO ceramics can be prepared in 30 s. An abrupt and simultaneous increase in current density and power dissipation were observed in sintering process, which are characteristics of Keywords: flash sintering. The power dissipation for the flash sintering was found to be 82

Journal

Applied Surface ScienceElsevier

Published: Jun 1, 2018

References

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