Anisotropic elastic-stiffness coefficients of an amorphous Ni-P film

Ogi, Hirotsugu; Shimoike, Goh; Hirao, Masahiko et al.

Journal of Applied Physics, 2002, 91(8), 4857-4862

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Identifier to cite or link to this item: https://hdl.handle.net/11094/84215

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Title
Anisotropic elastic-stiffness coefficients of an amorphous Ni-P film
Creator
NRID
1000090252626 1000090252626
researchmap permalink
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Scopus Author ID
35563683500 35563683500
CreatorName
Ogi, Hirotsugu
CreatorName
Shimoike, Goh
NRID
1000080112027 1000080112027
CreatorName
Hirao, Masahiko
NRID
1000060163193 1000060163193
CreatorName
Takashima, Kazuki
NRID
1000030016802 1000030016802
CreatorName
Higo, Yakichi
Description
Ogi H., Shimoike G., Hirao M., et al. "Anisotropic elastic-stiffness coefficients of an amorphous Ni-P film", Journal of Applied Physics, 91(8), 4857-4862 (2002) https://doi.org/10.1063/1.1457542.
Abstract
This study presents a complete set of effective elastic-stiffness coefficients of a Ni 80P 20 amorphous-alloy thin film deposited on an aluminum-alloy substrate by electroless plating. The film thickness was 12 μm. The electromagnetic-acoustic-resonance method detected resonance frequencies of the triple-layered specimens (film/substrate/film), which enabled us to determine all five independent elastic-stiffness coefficients of the film using known substrate elastic properties. The resulting coefficients were those of a transverse isotropic material. There was strong anisotropy between the in-plane and normal directions; the in-plane Young's modulus is larger than the normal Young's modulus by 34%, for example. The anisotropic coefficients can be interpreted by considering a micromechanics model for local incomplete cohesion (thin ellipsoidal voids) aligned parallel to the film surface. © 2002 American Institute of Physics.
Publisher
American Institute of Physics
Source Title
Journal of Applied Physics
Volume (Issue)
91(8)
Page
4857-4862
Date of Issued
2002-03-29
Language
English
Handle URL
https://hdl.handle.net/11094/84215
PISSN
00218979
eISSN
10897550
NCID
AA00693547
AA11868165
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1063/1.1457542
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, 91(8), 4857-4862 (2002) and may be found at https://doi.org/10.1063/1.1457542.
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学術雑誌論文 Journal Article