Query：
学者姓名：吴斌
Refining：
Year
Type
Indexed by
Source
Complex
Co-Author
Language
Clean All
Abstract ：
超声导波检测技术是新型的无损检测方法之一.水平剪切(SH)导波是超声导波的一种.在板和管结构的检测中,SH导波检测技术占据着越来越重要的位置.电磁声传感器(EMAT)常被用于SH导波的激励或接收.SH-EMAT具有适应性强、效率高的特点,基于SH-EMAT检测技术的应用场景越来越多.以近十几年的相关文献为基础,介绍了SH-EMAT设计以及SH导波缺陷检测技术的研究现状和进展,提供了SH导波检测在不同应用背景下的传感器选择,总结了不同频率SH导波的检测能力,分析了不同SH导波检测技术的优缺点.同时还对电磁超声水平剪切导波检测的未来研究趋势进行了展望,为相关研究人员提供了研究方向和思路.
Keyword ：
水平剪切导波 水平剪切导波 信号处理 信号处理 EMAT EMAT 缺陷检测 缺陷检测 阵列技术 阵列技术
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 刘增华 , 洪泽汇 , 吴斌 et al. 电磁超声水平剪切导波的缺陷检测研究进展 [J]. | 测控技术 , 2023 , 42 (5) : 28-36 . |
| MLA | 刘增华 et al. "电磁超声水平剪切导波的缺陷检测研究进展" . | 测控技术 42 . 5 (2023) : 28-36 . |
| APA | 刘增华 , 洪泽汇 , 吴斌 , 何存富 . 电磁超声水平剪切导波的缺陷检测研究进展 . | 测控技术 , 2023 , 42 (5) , 28-36 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
陶瓷基复合材料(Ceramic matrix composites,CMC)具有密度低和耐高温等一系列优点，广泛应用于飞机机翼前缘与先进燃气涡轮发动机等部件。由于在其生产过程中存在着制作工艺多样和制作步骤繁复等因素影响，材料内部不可避免地会存留缺陷，这对材料质量稳定性以及可靠性都造成了不可忽视的影响。针对其内部缺陷检测的迫切需求，基于太赫兹时域光谱(Terahertz time-domain spectroscopy,THz-TDS)技术具有信息量丰富、时间分辨率高的优势，提出一种用于CMC内部缺陷无损检测的太赫兹检测方法。首先，采用反射式THz-TDS系统，对预制的CMC试样进行了非接触式无损检测，获得样品逐点扫描检测信号。然后，针对其高频信号在高阶滤波后常出现的明显相位延迟现象，提出一种零相位滤波方法，消除相位延迟并精确提取出峰值、相位与渡越时间等信息。在此基础上，采用多特征加权融合成像方法绘制材料缺陷的二维表面成像结果，并重构与其对应的缺陷三维形貌图，直观展示出了缺陷形貌位置信息，最终实现了CMC试样的缺陷定位与尺寸定量评估。
Keyword ：
零相位滤波 零相位滤波 缺陷检测 缺陷检测 融合成像 融合成像 陶瓷基复合材料 陶瓷基复合材料 太赫兹波谱 太赫兹波谱
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 刘增华 , 吴育衡 , 王可心 et al. 基于太赫兹时域光谱技术的陶瓷基复合材料缺陷检测成像研究 [J]. | 机械工程学报 , 2023 , 59 (14) : 33-42 . |
| MLA | 刘增华 et al. "基于太赫兹时域光谱技术的陶瓷基复合材料缺陷检测成像研究" . | 机械工程学报 59 . 14 (2023) : 33-42 . |
| APA | 刘增华 , 吴育衡 , 王可心 , 满润昕 , 何存富 , 吴斌 . 基于太赫兹时域光谱技术的陶瓷基复合材料缺陷检测成像研究 . | 机械工程学报 , 2023 , 59 (14) , 33-42 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
在焊接热循环作用下，奥氏体不锈钢焊缝内部呈粗大柱状晶组织，且其取向在焊缝不同区域呈各向异性.针对粗大柱状晶引起的超声波散射和晶粒取向不同导致的声束偏折等问题，进行奥氏体不锈钢焊缝超声阵列检测方法研究.针对超声阵列获得全矩阵数据，发展了一种基于时间反转算子分解的超声阵列信号去噪方法.利用射线追踪法，研究了各向异性介质中超声波传播路径确定方法，并将其应用于奥氏体不锈钢焊缝超声阵列全聚焦成像的声束偏折校正.开展了奥氏体不锈钢焊缝超声阵列检测试验研究.结果表明，基于时间反转算子分解方法可以很好剔除检测信号中的散射噪声，凸显特征回波信息，可将全聚焦成像的信噪比提高10 dB，而波束偏折校正则可以提高超声...
Keyword ：
全聚焦成像 全聚焦成像 时间反转算子分解 时间反转算子分解 射线追踪 射线追踪 超声阵列 超声阵列 奥氏体不锈钢焊缝 奥氏体不锈钢焊缝
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 杨敬 , 吴斌 , 焦敬品 et al. 奥氏体不锈钢焊缝超声阵列检测方法 [J]. | 焊接学报 , 2022 , 43 (02) : 1-10,113 . |
| MLA | 杨敬 et al. "奥氏体不锈钢焊缝超声阵列检测方法" . | 焊接学报 43 . 02 (2022) : 1-10,113 . |
| APA | 杨敬 , 吴斌 , 焦敬品 , 王永贤 , 何存富 . 奥氏体不锈钢焊缝超声阵列检测方法 . | 焊接学报 , 2022 , 43 (02) , 1-10,113 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
作为传统机械连接的重要补充形式,黏接结构在工业领域应用广泛.在外载及环境因素的综合作用下,黏接界面的性能会出现劣化,严重影响黏接结构的安全使用.因此,黏接界面性能检测一直是无损检测领域的热点和难点问题.线性超声技术能有效实现黏接界面中分层、脱黏等损伤的检测,但难以实现黏接界面早期劣化(如界面闭合缺陷、界面弱黏接等)的检测及定量评价,而非线性超声技术可以克服传统线性超声技术在检测灵敏度方面的不足,有望成为一种有效的黏接界面性能早期劣化的检测手段.本文从理论模型和检测实验两方面对非线性超声技术在黏接界面性能检测与评价方面的研究进展进行了综述.从界面的接触非线性和中间层的材料非线性角度出发,介绍了界...
Keyword ：
非线性超声 非线性超声 材料非线性 材料非线性 无损检测 无损检测 性能劣化 性能劣化 黏接界面 黏接界面 接触非线性 接触非线性
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 李立 , 焦敬品 , 高翔 et al. 黏接界面性能劣化的非线性超声检测研究进展 [J]. | 科学通报 , 2022 , 67 (07) : 621-629 . |
| MLA | 李立 et al. "黏接界面性能劣化的非线性超声检测研究进展" . | 科学通报 67 . 07 (2022) : 621-629 . |
| APA | 李立 , 焦敬品 , 高翔 , 贾召会 , 吴斌 , 何存富 . 黏接界面性能劣化的非线性超声检测研究进展 . | 科学通报 , 2022 , 67 (07) , 621-629 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
平行钢丝束作为缆索桥梁的关键受力构件，直接影响桥梁结构的安全。基于漏磁检测原理，利用柔性桥索检测传感器对平行钢丝束典型缺陷进行检测。采用点检测和线扫查两种检测方式，研究了圆形和扇形两种排布方式下不同平行钢丝束的填充状态对表层缺陷漏磁场的影响。针对观察到的平行钢丝束填充会减小表层缺陷漏磁场强度的现象，提出了一种用于预测该弱化规律的模型，在缺陷钢丝周围有、无平行钢丝束填充的两种状态下研究了不同位置表层缺陷的漏磁场分布，得出了两种填充状态下缺陷漏磁场与缺陷位置的关系。
Keyword ：
漏磁场分析 漏磁场分析 平行钢丝束 平行钢丝束 漏磁法 漏磁法 缺陷检测 缺陷检测
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 郭建美 , 王钰珏 , 丁俊才 et al. 平行钢丝束填充状态对表层缺陷漏磁场的弱化规律分析 [J]. | 无损检测 , 2022 , 44 (07) : 60-64 . |
| MLA | 郭建美 et al. "平行钢丝束填充状态对表层缺陷漏磁场的弱化规律分析" . | 无损检测 44 . 07 (2022) : 60-64 . |
| APA | 郭建美 , 王钰珏 , 丁俊才 , 吴斌 , 刘秀成 , 何存富 . 平行钢丝束填充状态对表层缺陷漏磁场的弱化规律分析 . | 无损检测 , 2022 , 44 (07) , 60-64 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
针对金属板结构安全运行需要,开展了金属板结构疲劳损伤非线性兰姆波混频检测方法研究。通过数值仿真,研究了两列A_0兰姆波与材料损伤间的非线性相互作用。结果表明,两列共线A_0兰姆波在结构材料损伤处产生单向传播的和频S_0波,且和频波幅值随传播距离具有积累增长效应。对不同疲劳程度金属板试件进行了共线混频兰姆波检测实验,结果表明,和频波幅值随试件疲劳周数的增加呈单调递增趋势,提出的兰姆波混频技术可用于金属板结构疲劳程度的表征。研究工作为金属板结构疲劳损伤检测提供了可行的技术方案。
Keyword ：
疲劳损伤 疲劳损伤 金属板 金属板 材料损伤 材料损伤 兰姆波 兰姆波 混频技术 混频技术
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 焦敬品 , 李立 , 高翔 et al. 金属板疲劳损伤非线性兰姆波混频检测 [J]. | 声学学报 , 2022 , 47 (02) : 256-265 . |
| MLA | 焦敬品 et al. "金属板疲劳损伤非线性兰姆波混频检测" . | 声学学报 47 . 02 (2022) : 256-265 . |
| APA | 焦敬品 , 李立 , 高翔 , 吴斌 , 何存富 . 金属板疲劳损伤非线性兰姆波混频检测 . | 声学学报 , 2022 , 47 (02) , 256-265 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
Electromagnetic acoustic transducers (EMATs) have been widely applied in nondestructive testings and structural health monitoring. This paper proposes a flexible surface wave electromagnetic acoustic transducer (FSW-EMAT), which uses flexible rubber magnets instead of hard permanent magnets, in order to achieve the defects detection of steel pipe or other ferromagnetic structures with a certain surface curvature. Traditional EMATs mainly consist of three parts: magnet, coil and metal specimen to be tested. Permanent magnets or electromagnets are generally used to produce the strong magnetic flux density. However, the two kinds of magnets are not suitable for the defect detection of metal specimens with a certain curvature. The proposed FSW-EMAT in this paper adopts a flexible magnet, which is a mixture of rubber and iron powder and has strong flexibility to fit the bent specimen. The proposed FSW-EMAT can be easily applied in the testing of curved structural component and detect axial and circumferential defects by rotating the transducer.
Keyword ：
electromagnetic acoustic transducer electromagnetic acoustic transducer Nondestructive testing Nondestructive testing pipe detection pipe detection surface wave surface wave
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Liu, Zenghua , Li, Aili , Wu, Bin et al. Development of a wholly flexible surface wave electromagnetic acoustic transducer for pipe inspection [J]. | INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS , 2020 , 62 (1) : 13-29 . |
| MLA | Liu, Zenghua et al. "Development of a wholly flexible surface wave electromagnetic acoustic transducer for pipe inspection" . | INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS 62 . 1 (2020) : 13-29 . |
| APA | Liu, Zenghua , Li, Aili , Wu, Bin , He, Cunfu . Development of a wholly flexible surface wave electromagnetic acoustic transducer for pipe inspection . | INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS , 2020 , 62 (1) , 13-29 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
Permanent magnet is widely used as one of the three elements of electromagnetic acoustic transducer (magnet, coil, tested specimen). However, due to the immutability and non-uniformity of the permanent magnet magnetic field, the electromagnetic acoustic transducer (EMAT) will produce other unwanted modes, which will affect the purity of the targeted mode in signals. Therefore, the multi-mode problem of EMAT is still an important issue to be solved. In order to solve this problem, a new type of directional magnetic-concentrator-type electromagnetic acoustic transducer (D-MC-EMAT) is proposed to generate a single S-0 mode in plates. The magnetic concentrator is added to the traditional EMAT to guide and concentrate the magnetic field generated by the magnet and remove the unwanted A(0) mode. Both finite element simulation and experiments proved that the mode selectivity of proposed D-MC-EMAT improved by adding the magnetic concentrator, and transducer characteristics and defect inspection experiments were carried out. Finally, the structure of D-MC-EMAT was optimized by an orthogonal experiment and the optimal parameter combination was confirmed. (C) 2020 Elsevier B.V. All rights reserved.
Keyword ：
Mode Mode Orthogonal experiment Orthogonal experiment Magnetic concentrator Magnetic concentrator Ultrasonic guided waves Ultrasonic guided waves Electromagnetic acoustic transducer Electromagnetic acoustic transducer
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Liu, Zenghua , Li, Aili , Zhang, Yongchen et al. Development of a directional magnetic-concentrator-type electromagnetic acoustic transducer for ultrasonic guided wave inspection [J]. | SENSORS AND ACTUATORS A-PHYSICAL , 2020 , 303 . |
| MLA | Liu, Zenghua et al. "Development of a directional magnetic-concentrator-type electromagnetic acoustic transducer for ultrasonic guided wave inspection" . | SENSORS AND ACTUATORS A-PHYSICAL 303 (2020) . |
| APA | Liu, Zenghua , Li, Aili , Zhang, Yongchen , Deng, Liming , Wu, Bin , He, Cunfu . Development of a directional magnetic-concentrator-type electromagnetic acoustic transducer for ultrasonic guided wave inspection . | SENSORS AND ACTUATORS A-PHYSICAL , 2020 , 303 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
An improved time difference mapping method is proposed to locate the acoustic emission (AE) source of composite plate in order to solve the problems of fiber fracture, the matrix crack defects within composite plate and the acoustic velocity in different propagation direction is inconsistent and difference. This method use the prebuilt database method, avoiding consider the propagation speed of waves in the plate are not consistent and the wave propagation modes, and layout of the sensor in experiments is not strictly required. Firstly, in order to quickly and accurately select and delete the pseudo AE events from a large number of AE data, the clustering algorithm is used to automatically identify and select the highly correlated AE events on each grid node and construct a time difference training database. Secondly, interpolation compensation algorithm is adopted to increase grid density and improve grid resolution. Finally, the location of the source is verified by using the weighted difference algorithm to verify the location of the actual source in the test area. Theoretical analysis and experimental results show that the average actual errors of the location of the sound source is reduced from 26.5 mm (using the traditional time difference mapping method) to 18.0 mm (using the improved time difference mapping method), the corresponding average relative error is reduced from 5.3% to 3.6%, and the overall running time is reduced from 5 h to 16.87 s. The research shows that the improved time difference mapping method can effectively improve the location results and precision of the sound source. © 2020 Acta Acustica.
Keyword ：
Wave propagation Wave propagation Acoustic emission testing Acoustic emission testing Acoustic wave velocity Acoustic wave velocity Clustering algorithms Clustering algorithms Location Location Mapping Mapping Acoustic generators Acoustic generators
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Liu, Zenghua , Peng, Qiuling , He, Cunfu et al. Time difference mapping method for acoustic emission source location of composite plates [J]. | Acta Acustica , 2020 , 45 (3) : 385-393 . |
| MLA | Liu, Zenghua et al. "Time difference mapping method for acoustic emission source location of composite plates" . | Acta Acustica 45 . 3 (2020) : 385-393 . |
| APA | Liu, Zenghua , Peng, Qiuling , He, Cunfu , Wu, Bin . Time difference mapping method for acoustic emission source location of composite plates . | Acta Acustica , 2020 , 45 (3) , 385-393 . |
| Export to | NoteExpress RIS BibTex |
Abstract ：
Acoustic emission (AE) source localization is a powerful detection method. Time Difference Mapping (TDM) method is an effective method for detecting defects in complex structures. The core of this method is to search for a point with the minimum distance away from the verification point in the time difference database. In Traditional Time Difference Mapping (T-TDM) method and Improved Time Difference Mapping (I-TDM) method, the larger database and denser grids allow the higher localization accuracy. If the location points are not included in the database, the localization accuracy of the T-TDM and I-TDM methods will be greatly affected. To solve the above problems, a new AE source localization method, Generalized Regression Neural Network Based on Time Difference Mapping (GRNN-TDM), is proposed to improve the localization accuracy in the study. In the proposed method, the time difference data of the sensor path on all nodes in the time difference mapping are used as the training input data and the coordinates of grid nodes are used as the training output data. After continuous learning and training, the neural network model predicts its possible source location with the time difference data collected from the verification point. In this paper, the localization of AE sources with T-TDM, I-TDM and GRNN-TDM methods was studied in four composite plates with different fiber layers and an aluminum plate with holes. The localization results showed that the localization accuracy of the GRNN-TDM method was higher than that of T-TDM and I-TDM methods.
Keyword ：
Acoustic emission Acoustic emission Composite plate Composite plate Time difference mapping method Time difference mapping method Generalized regression neural network Generalized regression neural network Structural health monitoring Structural health monitoring
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Liu, Z. H. , Peng, Q. L. , Li, X. et al. Acoustic Emission Source Localization with Generalized Regression Neural Network Based on Time Difference Mapping Method [J]. | EXPERIMENTAL MECHANICS , 2020 , 60 (5) : 679-694 . |
| MLA | Liu, Z. H. et al. "Acoustic Emission Source Localization with Generalized Regression Neural Network Based on Time Difference Mapping Method" . | EXPERIMENTAL MECHANICS 60 . 5 (2020) : 679-694 . |
| APA | Liu, Z. H. , Peng, Q. L. , Li, X. , He, C. F. , Wu, B. . Acoustic Emission Source Localization with Generalized Regression Neural Network Based on Time Difference Mapping Method . | EXPERIMENTAL MECHANICS , 2020 , 60 (5) , 679-694 . |
| Export to | NoteExpress RIS BibTex |
Export
| Results： |
Selected to |
| Format： |
