Search Results - "Ultrasonics"

A review of ultrasonic testing applications in additive manufacturing: Defect evaluation, material characterization, and process control by Honarvar, F., Varvani-Farahani, A.

“…•Reviews the ultrasonic testing techniques applied to additive manufacturing (AM)•Considers both in-situ and offline ultrasonic testing techniques applied to…”
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So you think you can DAS? A viewpoint on delay-and-sum beamforming by Perrot, Vincent, Polichetti, Maxime, Varray, François, Garcia, Damien

“…Delay-and-sum (DAS) is the most widespread digital beamformer in high-frame-rate ultrasound imaging. Its implementation is simple and compatible with real-time…”
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Medical breast ultrasound image segmentation by machine learning by Xu, Yuan, Wang, Yuxin, Yuan, Jie, Cheng, Qian, Wang, Xueding, Carson, Paul L.

“…•A machine learning based method to automatically segment 3D breast ultrasound image.•Might help assist clinical diagnose breast cancer in the…”
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Shear horizontal wave transducers for structural health monitoring and nondestructive testing: A review by Miao, Hongchen, Li, Faxin

“…•The state of the art of SH wave piezoelectric transducers and EMATs is reviewed.•The principles, merits and drawbacks of various SH wave transducers are…”
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Environmental and operational conditions effects on Lamb wave based structural health monitoring systems: A review by Gorgin, Rahim, Luo, Ying, Wu, Zhanjun

“…•Lamb wave based SHM techniques are used to monitor the health status of structures.•Environmental and Operational conditions (EOCs) affect Lamb wave based SHM…”
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A critical review on ultrasonic-assisted fouling control and cleaning of fouled membranes by Aghapour Aktij, Sadegh, Taghipour, Amirhossein, Rahimpour, Ahmad, Mollahosseini, Arash, Tiraferri, Alberto

“…•State-of-the-artultrasound technique for membrane fouling control and cleaning was reviewed.•Cavitation phenomenon as well as theory of ultrasonic-assisted…”
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A pre-trained convolutional neural network based method for thyroid nodule diagnosis by Ma, Jinlian, Wu, Fa, Zhu, Jiang, Xu, Dong, Kong, Dexing

“…•A hybrid approach is proposed to diagnose thyroid nodules in ultrasound.•It is a fusion of two pre-trained CNNs with different architectures.•All the CNNs are…”
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A review on guided-ultrasonic-wave-based structural health monitoring: From fundamental theory to machine learning techniques by Yang, Zhengyan, Yang, Hongjuan, Tian, Tong, Deng, Deshuang, Hu, Mutian, Ma, Jitong, Gao, Dongyue, Zhang, Jiaqi, Ma, Shuyi, Yang, Lei, Xu, Hao, Wu, Zhanjun

“…•Raising the comprehensive stages of ML based guided wave diagnostic method: Guided ultrasonic wave propagation modelling; Optimized sensor layout for…”
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Deep learning based classification of breast tumors with shear-wave elastography by Zhang, Qi, Xiao, Yang, Dai, Wei, Suo, Jingfeng, Wang, Congzhi, Shi, Jun, Zheng, Hairong

“…•We automatically extract learned-from-data features from SWE of breast tumors by DL.•Our DL model includes point-wise gated Boltzmann machine and RBM.•Our DL…”
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Sizing of flaws using ultrasonic bulk wave testing: A review by Felice, Maria V., Fan, Zheng

“…•This is a review paper on flaw sizing using ultrasonic bulk waves.•Embedded defects and surface-breaking flaws are considered.•Principles, advantages and…”
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Nonlinear ultrasonics-based technique for monitoring damage progression in reinforced concrete structures by Basu, Sukanya, Thirumalaiselvi, A., Sasmal, Saptarshi, Kundu, Tribikram

“…•Monitoring damage progression in concrete structures using a new nonlinear ultrasonic technique (SPC-I).•Comparing performances of various linear and…”
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Combined two-level damage identification strategy using ultrasonic guided waves and physical knowledge assisted machine learning by Rautela, Mahindra, Senthilnath, J., Moll, Jochen, Gopalakrishnan, Srinivasan

“…Structural Health Monitoring of composite structures is one of the significant challenges faced by the aerospace industry. A combined two-level damage…”
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Ultrasonic evaluation of strength properties of cemented paste backfill: Effects of mineral admixture and curing temperature by Jiang, Haiqiang, Yi, Hongshun, Yilmaz, Erol, Liu, Shiwei, Qiu, Jingping

“…•Addition of mineral admixtures causes an increase in strength of cemented paste backfill (CPB).•Curing temperature plays a substantial role on ultrasonic…”
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Improved forward model for quantitative pulse-echo speed-of-sound imaging by Stähli, Patrick, Kuriakose, Maju, Frenz, Martin, Jaeger, Michael

“…•Common mid-angle tracking fully resolves speed-of-sound (SoS)-related phase shifts.•The forward model must account for a steering-angle dependent echo…”
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Convolutional neural network for ultrasonic weldment flaw classification in noisy conditions by Munir, Nauman, Kim, Hak-Joon, Park, Jinhyun, Song, Sung-Jin, Kang, Sung-Sik

“…•Investigation of CNN for classification of noisy ultrasonic flaw signals.•Time shifting of signals for data augmentation.•Performance comparison of fully…”
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Physical mechanisms of coherent acoustic phonons generation by ultrafast laser action by Ruello, Pascal, Gusev, Vitalyi E.

“…•Physical mechanisms of femtosecond generation of coherent acoustic phonons in solids.•Deformation potential, thermoelasticity, inverse-piezoelectricity,…”
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Review of magnetostrictive patch transducers and applications in ultrasonic nondestructive testing of waveguides by Kim, Yoon Young, Kwon, Young Eui

“…•Today’s magnetostrictive patch transducer technology is reviewed.•Applications for ultrasonic nondestructive testing in waveguides are reviewed.•The operating…”
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A generic deep learning framework to classify thyroid and breast lesions in ultrasound images by Zhu, Yi-Cheng, AlZoubi, Alaa, Jassim, Sabah, Jiang, Quan, Zhang, Yuan, Wang, Yong-Bing, Ye, Xian-De, DU, Hongbo

“…•Breast and thyroid cancers are the two common cancers to affect women worldwide.•Both of them share common genetic features affected by similar hormone…”
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A review of recent advances in the single- and multi-degree-of-freedom ultrasonic piezoelectric motors by Ryndzionek, Roland, Sienkiewicz, Łukasz

“…•A comprehensive and original review of recent advances (2015–2020) on the ultrasonic piezoelectric motors.•A classification of piezoelectric motors according…”
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Acoustic source localization by Kundu, Tribikram

“…•Different acoustic source localization techniques are reviewed.•Strengths and weaknesses of these techniques are discussed.•Which technique is most…”
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