書誌事項
- タイトル別名
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- <b>Sensitive Tint Visualization of A2 Mode Lamb Waves </b>
- エイビンショクホウ ニ ヨル A2 モード Lambハ ノ カシカ
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<p>Propagation of higher order mode Lamb waves of 2 MHz in a glass plate is visualized using a strobe photoelastic system introducing sensitive tint visualization method. The birefringence from stresses causes the interference of color while the Lamb waves propagation. Time transition of ultrasonic waves propagation can be observed by varying the timing of strobe pulse light. A2 mode Lamb waves are selectively excited using oblique incidence by the wedge. Incidence angle was adjusted by the phase velocity calculated by the Rayleigh-Lamb frequency equation. Obtained bitmap image from the visualization system and CMOS camera are processed to enhance the contrast. Directions of applied forces were determined using image of static stresses. Lamb waves in the glass are clearly visualized with the polarity of sound pressure.</p>
収録刊行物
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- 日本素材物性学会誌
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日本素材物性学会誌 28 (1_2), 19-24, 2017
日本素材物性学会
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詳細情報 詳細情報について
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- CRID
- 1390282681198233472
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- NII論文ID
- 130006606764
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- NII書誌ID
- AA12778986
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- ISSN
- 24339385
- 24330507
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- HANDLE
- 10295/00003748
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- NDL書誌ID
- 028193343
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可