Single-crystal elastic properties of aluminum oxynitride (AlON) from brillouin scattering
Journal Article
·
· Journal of the American Ceramic Society
- Army Research Lab., Aberdeen Proving Ground, MD (United States)
- Carnegie Institution of Washington, Washington, D.C. (United States)
The Brillouin light-scattering technique was used to determine experimentally the three independent elastic constants of cubic aluminum oxynitride at the ambient condition. They are C11=334.8(±1.8) GPa, C12=164.4(± 1.2) GPa, and C44=178.6(± 1.1) GPa. Its bulk modulus is 221.2 GPa. The magnitude of Zener anisotropic ratio is 2.1 similar to other spinels. Here, the anisotropic nature of the material is shown by a large variation in the Young’s modulus and Poisson’s ratio with crystallographic directions. The material was found to be auxetic in certain orientations.
- Research Organization:
- Carnegie Institution of Washington, Washington, D.C. (United States); Energy Frontier Research Centers (EFRC) (United States). Energy Frontier Research in Extreme Environments (EFree)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- NA0002006; SC0001057
- OSTI ID:
- 1364618
- Journal Information:
- Journal of the American Ceramic Society, Vol. 99, Issue 4; ISSN 0002-7820
- Publisher:
- American Ceramic SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 7 works
Citation information provided by
Web of Science
Web of Science
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