Elastic properties of a unidirectional SiCf/Ti composite: Acoustic-resonance measurements and micromechanics predictions

Ogi, Hirotsugu; Dunn, Martin L.; Takashima, Kazuki et al.

Journal of Applied Physics, 2000, 87(6), 2769-2774

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Identifier to cite or link to this item: https://hdl.handle.net/11094/84233

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Title
Elastic properties of a unidirectional SiCf/Ti composite: Acoustic-resonance measurements and micromechanics predictions
Creator
NRID
1000090252626 1000090252626
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Scopus Author ID
35563683500 35563683500
CreatorName
Ogi, Hirotsugu
CreatorName
Dunn, Martin L.
NRID
1000060163193 1000060163193
CreatorName
Takashima, Kazuki
CreatorName
Ledbetter, Hassel
Description
Ogi H., Dunn M., Takashima K., et al. "Elastic properties of a unidirectional SiCf/Ti composite: Acoustic-resonance measurements and micromechanics predictions", Journal of Applied Physics, 87(6), 2769-2774 (2000) https://doi.org/10.1063/1.372254.
Abstract
Using the mode-selective contactless resonance ultrasound spectroscopy, we measured the complete elastic-stiffness tensor Cij and the corresponding internal-friction tensor Q-1ij of a silicon-carbide fiber unidirectionally reinforced Ti-6Al-4V-matrix composite. This material shows orthorhombic symmetry and possesses nine independent Cij and Q-1ij. We independently excited and detected an unique vibration-mode group among the eight vibration groups of a orthorhombic rectangular parallelepiped. This provides a great advantage in identifying the vibration modes of the observed resonance peaks, whose frequencies yield the Cij by solving an inverse problem. To verify the resultant Cij, we also determined Cij by point-contact resonance ultrasound spectroscopy and pulse-echo methods. Then, using the composite Cij, we inversely calculated the transverse-isotropic fiber elastic stiffnesses with micromechanics theory. With the fiber Cij and the isotropic matrix Cij, we reconstructed the composite Cij as a function of fiber-volume fraction. © 2000 American Institute of Physics.
Publisher
American Institute of Physics
Source Title
Journal of Applied Physics
Volume (Issue)
87(6)
Page
2769-2774
Date of Issued
2000-02-25
Language
English
Handle URL
https://hdl.handle.net/11094/84233
PISSN
00218979
eISSN
10897550
NCID
AA00693547
AA11868165
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1063/1.372254
Access Rights
open access
CopyRight
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Journal of Applied Physics, 87(6), 2769-2774 (2000) and may be found at https://doi.org/10.1063/1.372254.
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学術雑誌論文 Journal Article