On the synchronicity of flash sintering and phase transformation
Abstract
Abstract There is growing evidence that oxides of complex chemistries can be formed in one step by reactive flash sintering of their elemental constituents. Here we explore the temporal relationship between phase transformation and sintering by combining measurements of sintering with in situ measurements of phase transformation. The experiments are carried out under current rate, where flash is induced by injecting current and increasing it at a constant rate. We show that phase transformation of powders of magnesia and α‐alumina into single‐phase magnesium aluminate spinel was completed in 45 seconds, whereas sintering to full density required 60 seconds.
- Authors:
-
[1];
[3];
[4];
[1]
- Univ. of Colorado, Boulder, CO (United States). Dept. of Mechanical Engineering. Materials Science and Engineering Program
- Univ. of Colorado, Boulder, CO (United States). Dept. of Mechanical Engineering. Materials Science and Engineering Program; Indian Inst. of Technology Patna (India). Dept. of Metallurgical and Materials Engineering
- Brookhaven National Lab. (BNL), Upton, NY (United States). National Synchrotron Light Source II
- Oklahoma State Univ., Tulsa, OK (United States). School of Materials Science and Engineering
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); Univ. of Colorado, Boulder, CO (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); US Army Research Office (ARO)
- OSTI Identifier:
- 1498863
- Alternate Identifier(s):
- OSTI ID: 1494859
- Report Number(s):
- BNL-211353-2019-JAAM
Journal ID: ISSN 0002-7820
- Grant/Contract Number:
- SC0012704; W911NF-16-1-0200
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the American Ceramic Society
- Additional Journal Information:
- Journal Volume: 102; Journal Issue: 6; Journal ID: ISSN 0002-7820
- Publisher:
- American Ceramic Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Yoon, Bola, Yadav, Devinder, Ghose, Sanjit, Sarin, Pankaj, and Raj, Rishi. On the synchronicity of flash sintering and phase transformation. United States: N. p., 2019.
Web. doi:10.1111/jace.16335.
Yoon, Bola, Yadav, Devinder, Ghose, Sanjit, Sarin, Pankaj, & Raj, Rishi. On the synchronicity of flash sintering and phase transformation. United States. https://doi.org/10.1111/jace.16335
Yoon, Bola, Yadav, Devinder, Ghose, Sanjit, Sarin, Pankaj, and Raj, Rishi. Wed .
"On the synchronicity of flash sintering and phase transformation". United States. https://doi.org/10.1111/jace.16335. https://www.osti.gov/servlets/purl/1498863.
@article{osti_1498863,
title = {On the synchronicity of flash sintering and phase transformation},
author = {Yoon, Bola and Yadav, Devinder and Ghose, Sanjit and Sarin, Pankaj and Raj, Rishi},
abstractNote = {Abstract There is growing evidence that oxides of complex chemistries can be formed in one step by reactive flash sintering of their elemental constituents. Here we explore the temporal relationship between phase transformation and sintering by combining measurements of sintering with in situ measurements of phase transformation. The experiments are carried out under current rate, where flash is induced by injecting current and increasing it at a constant rate. We show that phase transformation of powders of magnesia and α‐alumina into single‐phase magnesium aluminate spinel was completed in 45 seconds, whereas sintering to full density required 60 seconds.},
doi = {10.1111/jace.16335},
journal = {Journal of the American Ceramic Society},
number = 6,
volume = 102,
place = {United States},
year = {Wed Jan 30 00:00:00 EST 2019},
month = {Wed Jan 30 00:00:00 EST 2019}
}
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Works referenced in this record:
Measurement of O and Ti atom displacements in TiO 2 during flash sintering experiments
journal, December 2017
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journal, October 2018
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Works referencing / citing this record:
Reactive flash sintering of powders of four constituents into a single phase of a complex oxide in a few seconds below 700°C
journal, May 2019
- Avila, Viviana; Raj, Rishi
- Journal of the American Ceramic Society, Vol. 102, Issue 11
Liquid-Film Assisted Mechanism of Reactive Flash Sintering in Oxide Systems
journal, May 2019
- Chaim, Rachman; Amouyal, Yaron
- Materials, Vol. 12, Issue 9