Abstract
An ultrasonic reflectivity measurement technique is applied to anisotropy detection within a small area of material. The ultrasonic reflectivity is microscopically measured using an ultrasonic microspectrometer with spherical-planar-pair lenses. The acoustic reflection coefficients of small area on a water-cubic (111) interface were measured for an incident wave at an angle θ to the normal and φ to some direction lying in the (111) surface. The reflection coefficients measured as a function of θ and φ were in good agreement with the theoretical calculation. This reveals that the microscopically measured reflection coefficient is reasonable and can be used as a promising detector of anisotropy in a small area. Furthermore, a mean reflection coefficient is defined for quantitative evaluation of elastic anisotropy in a small area of polycrystalline materials. It has been confirmed that, by performing numerical and experimental examinations with texture-controlled steels, the reflection coefficient measured in polycrystalline materials corresponds to the mean reflection coefficient.
| Original language | English |
|---|---|
| Pages (from-to) | 769-776 |
| Number of pages | 8 |
| Journal | Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A |
| Volume | 61 |
| Issue number | 584 |
| Publication status | Published - 1995 Apr |
| Externally published | Yes |
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ASJC Scopus subject areas
- Mechanical Engineering
Cite this
Anisotropy detection in small area of materials using surface acoustic waves (basic research on utilization of ultrasonic reflectivity measurement for estimating elastic anisotropy). / Ihara, Ikuo; Aizawa, Tatsuhiko; Koguchi, Hideo; Kihara, Junji.
In: Nippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 61, No. 584, 04.1995, p. 769-776.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Anisotropy detection in small area of materials using surface acoustic waves (basic research on utilization of ultrasonic reflectivity measurement for estimating elastic anisotropy)
AU - Ihara, Ikuo
AU - Aizawa, Tatsuhiko
AU - Koguchi, Hideo
AU - Kihara, Junji
PY - 1995/4
Y1 - 1995/4
N2 - An ultrasonic reflectivity measurement technique is applied to anisotropy detection within a small area of material. The ultrasonic reflectivity is microscopically measured using an ultrasonic microspectrometer with spherical-planar-pair lenses. The acoustic reflection coefficients of small area on a water-cubic (111) interface were measured for an incident wave at an angle θ to the normal and φ to some direction lying in the (111) surface. The reflection coefficients measured as a function of θ and φ were in good agreement with the theoretical calculation. This reveals that the microscopically measured reflection coefficient is reasonable and can be used as a promising detector of anisotropy in a small area. Furthermore, a mean reflection coefficient is defined for quantitative evaluation of elastic anisotropy in a small area of polycrystalline materials. It has been confirmed that, by performing numerical and experimental examinations with texture-controlled steels, the reflection coefficient measured in polycrystalline materials corresponds to the mean reflection coefficient.
AB - An ultrasonic reflectivity measurement technique is applied to anisotropy detection within a small area of material. The ultrasonic reflectivity is microscopically measured using an ultrasonic microspectrometer with spherical-planar-pair lenses. The acoustic reflection coefficients of small area on a water-cubic (111) interface were measured for an incident wave at an angle θ to the normal and φ to some direction lying in the (111) surface. The reflection coefficients measured as a function of θ and φ were in good agreement with the theoretical calculation. This reveals that the microscopically measured reflection coefficient is reasonable and can be used as a promising detector of anisotropy in a small area. Furthermore, a mean reflection coefficient is defined for quantitative evaluation of elastic anisotropy in a small area of polycrystalline materials. It has been confirmed that, by performing numerical and experimental examinations with texture-controlled steels, the reflection coefficient measured in polycrystalline materials corresponds to the mean reflection coefficient.
UR - http://www.scopus.com/inward/record.url?scp=0029292626&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0029292626&partnerID=8YFLogxK
M3 - Article
VL - 61
SP - 769
EP - 776
JO - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
JF - Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
SN - 0387-5008
IS - 584
ER -