Propagation and scattering of ultrasonic waves in macroscopically anisotropic polycrystalline materials with fiber texture [0.03%]
具有纤维织构的宏观各向异性多晶材料中的超声波传播与散射
Juan Camilo Victoria-Giraldo,Denis Solas,Jérôme Laurent et al.
Juan Camilo Victoria-Giraldo et al.
This work investigates the scattering of ultrasonic elastic waves in polycrystalline materials with macroscopic transverse isotropy (TI). Using the Dyson equation with the First-order smoothing approximation (FOSA) for the mass operator, we...
Wen-Na Hu,Xing-Feng Zhu,Jie Yao et al.
Wen-Na Hu et al.
Binary amplitude-based holograms offer an efficient approach for precise underwater ultrasonic wave control due to their structural simplicity. However, their limited information capacity restricts multi-frequency and/or multi-depth hologra...
Micro-discharge evolution in constant voltage bipolar PEO process on ZL101 Al-Si alloy monitored by acoustic emission technique [0.03%]
采用声发射技术监测恒电压双极PEO过程中ZL101铝硅合金的微放电演变
Yizhao Liao,Shuixian Bai,Dazhi Chen et al.
Yizhao Liao et al.
The plasma electrolytic oxidation (PEO) process on the ZL101 Al-Si alloy under bipolar pulse mode was monitored by acoustic emission (AE) technique, and the influence of cathodic pulse on the AE signals was discussed. It was found that the ...
A nonlinearity index for sound speed profiles and its impact on phase coherence in acoustic imaging: An illustration using synthetic aperture sonar [0.03%]
用于声速剖面的非线性指数及其对合成孔径声呐中声学成像相位相干性的影响研究
Tran Trong Tai,Truong Van Tuan
Tran Trong Tai
Nonlinearity in sound speed profiles (SSPs) is a major source of phase errors in acoustic imaging systems, particularly in shallow-water environments where thermoclines introduce strong sound-speed gradients. This paper proposes a quantitat...
Deep learning ultrasonic computed tomography for non-destructive testing of workpieces [0.03%]
基于深度学习的超声CT无损检测方法研究
Chuanjiang Hu,Jianhong Yang,Shiyuan He et al.
Chuanjiang Hu et al.
Traditional ultrasonic non-destructive testing (NDT) techniques face dual challenges in industrial applications: imaging accuracy and imaging speed. The application of ultrasonic computed tomography (USCT) in the medical field provides a ne...
A deep mutual learning-based framework for wind turbine blade defect detection in multimodal phased array ultrasonic data [0.03%]
一种基于多模相控阵超声数据的深度相互学习的风电机组叶片缺陷检测框架
Yiming Na,Yunze He,Baoyuan Deng et al.
Yiming Na et al.
The internal adhesive layer of the wind turbine blade's spar is designed to transfer loads during operation, the quality of which directly affects the structural reliability of blades. Defects in the adhesive layer are characterized by phas...
Study on ultrasonic micro-forging with ball-head on microstructure and mechanical properties of 316 L stainless steel produced by directed energy deposition [0.03%]
关于激光定向能量沉积成型316L不锈钢微结构及其超声波微锻造加工研究
Xiaoxue Chen,Shuo Wang,Jun Lin et al.
Xiaoxue Chen et al.
Additive manufacturing technology is widely applied in mechatronics, aerospace, biomedicine and transportation fields due to its advantages of flexible design, high material utilization rate, ease of producing complex components. However, d...
A Self-adaptive ultrasound patch for transcranial multimodal dynamic focusing [0.03%]
自适应颅骨穿透过多重动态聚焦的超声贴片
Siqi Ku,Yiran Wu,Chenzhi You et al.
Siqi Ku et al.
Ultrasound offers a valuable potential technology solution for continuous focused stimulation in brain science due to its non-invasive, deep penetration, and precise focusing ability. However, existing wearable focused ultrasound requires a...
Numerical simulation of ultrasound-assisted microneedle drug delivery via a strongly coupled PD-IB-CLBM framework [0.03%]
基于强耦合PD-IB-CLBM框架的微针介导的超声促药物传输数值模拟研究
Yu Yang,Xuantong Guo,Ya Zhang et al.
Yu Yang et al.
Ultrasound-assisted transdermal drug delivery is a promising non-invasive technique, yet the underlying microscale fluid-structure interaction (FSI) mechanisms within confined skin channels remain unclear. In this work, a strongly coupled n...
Towards energy-based ultrasonic imaging for the detection of microscopic defects in strongly scattering materials [0.03%]
基于能量的超声成像在强散射材料中检测微缺陷中的应用研究
Shuzeng Zhang,Hengkang Wang,Xiongbing Li et al.
Shuzeng Zhang et al.
Detecting microscopic defects-particularly sub-millimeter defects much smaller than the ultrasonic wavelength-in strongly scattering materials remains a significant challenge due to intense grain-induced noise. To address this issue, an ene...