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Synthesis and electromagnetic wave reflectivity of Si3N4 ceramic with gradient Fe3O4 distribution.
- Source :
-
Ceramics International . Jun2016, Vol. 42 Issue 8, p9636-9639. 4p. - Publication Year :
- 2016
-
Abstract
- A Si 3 N 4 ceramic with gradient distribution of tri–iron tetroxide (Gradient–Si 3 N 4 –Fe 3 O 4 ) was fabricated with a combined technique of chemical precipitation and directional infiltration. Electromagnetic wave could enter Gradient–Si 3 N 4 –Fe 3 O 4 with little reflection because of weak impedance mismatch at its surface. Also the electromagnetic wave entering the Gradient–Si 3 N 4 –Fe 3 O 4 propagated with small reflection due to continuous and gradual change of impedance resulting from the gradient Fe 3 O 4 distribution, and was absorbed completely by Fe 3 O 4 of the gradient structure. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 42
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 114497250
- Full Text :
- https://doi.org/10.1016/j.ceramint.2016.03.049