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Proposal of low-frequency phased array for highly attenuative materials and its fundamental study for large amplitude incidence 高減衰部材評価のための低周波超音波フェーズドアレイの提 案と大振幅化の基礎検討
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kikuchi, Kosuke Ohara, Yoshikazu Tsuji, Toshihiro Mihara, Tsuyoshi |
| Copyright Year | 2017 |
| Abstract | shown in Table II. Although the grain of the SUS316L stainless steel has a cubic metal structure, we assume it as a homogeneous transverse isotropic material. Because the SUS316L stainless steel shows a columnar grain structure, and the grains are randomly distributed along the Z direction. In the simulation, the time interval t is 6 ns, and time incremental number is 20,000. Fig. 4 shows the normalized von Mises stress obtained in the time reversal analysis using the numerical model (Fig.3). The focal point of the waves shows both the tip and corner of the slit. We could detect a corner echo with SN ratio of 15.6 and a tip echo with SN ratio of 3.7. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.use-jp.org/proceedings/USE17/pdf/1P2-11.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
