In situ measurement of combustion wave propagation during combustion synthesis of α‐Si3N4 powder.
Published In: Journal of the American Ceramic Society, 2023, v. 106, n. 7. P. 4023 1 of 3
Database: Academic Search Ultimate 2 of 3
Authored By: Wang, Liang; Yang, Zengchao; Li, Jiangtao 3 of 3
Abstract
α‐Si3N4 powder was prepared by combustion synthesis method. The propagation characteristics of combustion wave were investigated by thermocouple temperature measurement and "resistance—combustion wave displacement response device." The results show that the combustion reaction takes place in a narrow area, and there is a maximum temperature gradient of 180°C/mm in the combustion front. The "resistance—combustion wave displacement response device" was innovatively used to realize the in situ measurement of combustion wave propagation process. The test results showed the pulse combustion mode in which the combustion front took 10 s as a cycle, and the quantitative data of Si–N2 discrete combustion characteristics were obtained for the first time. [ABSTRACT FROM AUTHOR]
Additional Information
- Source:Journal of the American Ceramic Society. 2023/07, Vol. 106, Issue 7, p4023
- Document Type:Article
- Subject Area:Science
- Publication Date:2023
- ISSN:0002-7820
- DOI:10.1111/jace.19084
- Accession Number:163565775
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