对声弧阵列的角分辨率研究.
Dmitry A Sednev1, Alexey I Soldatov1, Andrey A Soldatov1
1School of Non-Destructive Testing, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
这项研究研究了阶段阵列超声波非破坏性测试中的角分辨率. 计算机建模和实验结果证实了形和凸形数组的发现.
科学领域:
- 材料科学 材料科学 材料科学
- 工程 工程师 工程师 工程师
- 物理 物理学 物理
背景情况:
- 阶段阵列对于现代超声波非破坏性测试 (NDT) 是至关重要的.
- 角分辨率是分相阵列NDT中的一个关键性能参数.
- 优化角分辨率可以提高缺陷检测能力.
研究的目的:
- 分析形和凸形声学阵列的角分辨率.
- 为了评估阵列配置对超声波测试中角分辨率的影响.
- 用实验数据验证模拟结果.
主要方法:
- 阶段阵列超声波测试的计算机建模.
- 模拟形和形数组,其元素数量 (16,32,64) 和元素间距 (0.5,1mm) 不同.
- 总焦点方法 (TFM) 的应用.
- 在现场实验验证.
主要成果:
- 对不同数组几何形状和元素配置的角度分辨率进行详细分析.
- 关于元素距离和弧线半径如何影响角度分辨率的定量数据.
- 证明模拟和实验结果之间对角分辨率的相关性.
结论:
- 这项研究提供了对优化阶段阵列设计的见解,以改善NDT中的角度分辨率.
- 这些发现适用于选择和设计用于特定超声波测试应用的声学阵列.
- 计算机建模和实验验证都证实了该研究的结果.
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