Mechanisms and benefits of ultrasonic vibration-assisted laser trepanning drilling (UVLTD) for high-quality microhole fabrication [0.03%]
用于高质量微小孔加工的激光套料钻孔的超声振动辅助机理及优势研究
Yaotian Cheng,Ping Zou,Chuang Guo et al.
Yaotian Cheng et al.
Conventional laser trepanning drilling (LTD) often produces microholes with excessive taper, high surface roughness, and thick recast layers, severely limiting its application in precision manufacturing. To address these limitations, this s...
Acoustic radiation of sub-wavelength conical concentrators for local generation of ultrasonic waves [0.03%]
亚波长锥形集中器的声辐射用于局部生成超声波
Ibrahima Touré,Maxime Bilodeau,Nicolas Quaegebeur
Ibrahima Touré
This study investigates the acoustic radiation of axisymmetric conical concentrators with a sub-wavelength radiating aperture designed for localized ultrasound generation. The system is composed of a piezoelectric disk coupled to a conical ...
Yanwei Li,Yong Bao,Chao Tan et al.
Yanwei Li et al.
Ultrasonic tomography (UT) is a non-invasive and radiation-free imaging technique for oil-water flow monitoring for its fast-acquisition and low-cost features. Conventional UT utilizes ray-based models, which simplify the ultrasonic wave pr...
Acoustic and mechanical characterisation of a 3D-printable transparent vessel-mimicking material for pre-clinical imaging: comparison with ex-vivo vessels and established clinically-relevant materials [0.03%]
一种用于临床前成像的3D打印透明仿血管材料的声学和力学表征：与离体血管及公认的相关临床材料进行比较
Yi Zheng,Ciara B Durcan,Adrian Thomson et al.
Yi Zheng et al.
Bisphenol-A-ethoxylate dimethacrylate (BEMA) is an emerging non-cytotoxic, photo-responsive hydrogel that can be used to fabricate microchannel flow systems for use in ultrasound mediated drug delivery research. This study aims to assess th...
Boundary echo control of S0-mode lamb waves using gradient phononic crystals [0.03%]
基于梯度声子晶体的S0模兰姆波边界回声控制
Haoming Hu,Hongyu Cui,Xiaokai Yin et al.
Haoming Hu et al.
Large-amplitude boundary reflections of S0-mode Lamb waves significantly impede the accuracy of ultrasonic nondestructive testing. This study proposes a phononic-crystal-based approach for S0-mode boundary echo control. By integrating a fra...
Phase linear encoding in multi-line transmit imaging: Towards crosstalk artifact removal [0.03%]
相位线性编码在多行发射成像中的应用：消除交叉干扰伪影的方法
Nazli Javadi Eshkalak,Courtney Cassidy,Pei-Ni Jone et al.
Nazli Javadi Eshkalak et al.
Acquiring ultrasound images with high temporal resolution is essential for capturing motion in dynamic environments such as the heart. Conventional high-frame-rate approaches accelerate acquisition but often compromise image quality, reduci...
Baw-induced Streaming, Faraday Waves, and atomization on a paper substrate [0.03%]
声学驱动的流动、法拉第波和纸基气雾装置
Vivek Karma,S Pushpavanam
Vivek Karma
Acoustofluidics offers contactless manipulation, high versatility, and good biocompatibility. Microfluidic paper-based analytical devices (μPAD) have key advantages like multiplexing, rapid response, and portability. The present study is a...
Plane-wave-like laser ultrasonic inspection of multilayer delaminations using beam-expanded excitation and migration-based reconstruction [0.03%]
基于光束发散激励和波束迁徙重建的多层分层缺陷类平面波激光超声检测方法研究
Shuxiao Zhang,Jiagan Wang,Wei Feng et al.
Shuxiao Zhang et al.
Multilayer structures are widely used in energy, aerospace, and microelectronic packaging owing to their high structural efficiency and functional integration. However, their reliability is often compromised by planar interfacial defects su...
Morphology engineering of vertically aligned carbon nanotubes for enhanced photoacoustic emission [0.03%]
垂直排列碳纳米管的形貌工程以增强光声发射性能
Er-Tao Hu,Weiye He,Yongpeng Li et al.
Er-Tao Hu et al.
The vertically aligned carbon nanotube (VACNT) array, characterized by a vertical arrangement of carbon nanotubes at the bottom and a chaotic crown-like structure at the top, is commonly employed in optical ultrasound emitters due to its hi...
Volumetric ultrasound via 3D Null Subtraction Imaging with matrix array [0.03%]
具有矩阵阵列的3D零陷消除成像体积超声波技术
Bingze Dai,Xi Zhang,Wei-Ning Lee
Bingze Dai
This study introduces three-dimensional Null Subtraction Imaging (3D NSI), a nonlinear beamforming framework designed to extend the computationally efficient null-subtraction process to volumetric imaging with matrix arrays. This is accompl...