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1. The formation mechanism of flaw detection in wind power gear steel NSTL国家科技图书文献中心

Zhang, Yuntian |  Cheng, Guoguang... -  《Engineering failure analysis》 - 2025,173 - 109417~ - 共15页

摘要:In order to address the frequent occurrence of |  ultrasonic testing defects in wind power gear steel, this |  paper investigates the causes of these defects | . Through defect observation and comprehensive sampling |  analysis of the refining process, the types of defects
关键词: Wind power gear steel |  Ultrasonic testing |  Refining |  CT scanning

2. A Method for Quality Inspection of Continuous Casting Billet Based on Infrared Flaw Detection and 2-D Image NSTL国家科技图书文献中心

Fu, Tianjie |  Li, Peiyu... -  《IEEE Transactions on Instrumentation and Measurement》 - 2025,74(Pt.1) - 5002214.1~5002214.14 - 共14页

摘要:It is very important to improve product |  quality while reducing cost and increasing efficiency in |  steelmaking industry. The assurance of continuous casting |  billet quality is essential in the production process |  to ensure the manufacturing of high-quality
关键词: Production |  Steel |  Casting |  Billets |  Defect detection |  Costs |  Imaging |  Infrared imaging |  Accuracy |  Deep learning...

3. Validation of spatial accuracy with high-speed imaging to support in situ flaw detection for laser directed energy deposition processes NSTL国家科技图书文献中心

Dieter De Baere |  Jorge Sanchez-Medina... -  《Journal of laser applications》 - 2025,37(1) - 12012.1~12012.8 - 共8页

摘要:The application of in situ monitoring systems |  for part quality verification or process |  qualification of the laser based directed energy deposition |  process will require the ability to confidently detect |  (or estimate) the type, size, and location of
关键词: in situ monitoring |  directed energy deposition (DED) |  synchronization accuracy |  image registration |  calibration framework

4. The detection of PAUT pseudo defects in ultra-thick stainless-steel welds with a multimodal deep learning model NSTL国家科技图书文献中心

Cao, Weiwen |  Sun, Xingyue... -  《Measurement》 - 2025,241(Pt.1) - 115662.1~115662.12 - 共12页

摘要: fusion model is proposed to improve the detection of |  detection rate can reach up to 100 %. The multimodal model | The pseudo defects are difficult to |  distinguish in Phased Array Ultrasonic Testing (PAUT) thick | -walled weldments. In this work, a multimodal feature
关键词: Deep learning |  Multimodal fusion |  PAUT |  Weldment flaw detection

5. От принципов действия до промышленных дефектоскопов: развитие внутритрубнои дефектоскопии трубопроводов NSTL国家科技图书文献中心

А. Н. Соловьев |  А. Е. Сощенко -  《Наука и технологии трубопроводного транспорта нефти и нефтепродуктов》 - 2025,15(1) - 63~78 - 共16页

摘要:В 2007 г. был разработан специалистами Центра |  технической диагностики (ЦТД) «Диаскан» и стал применяться |  на нефтепроводах России комбинированный |  внутритрубный дефектоскоп, позволяющий за один прогон |  определять дефекты, которые до этого времени можно было
关键词: ультразвук |  теневой метод |  магнитная дефектоскопия |  снаряд-дефектоскоп |  нефтепровод |  газопровод |  комбинированный дефектоскоп |  испытания |  характеристики |  надежность...

6. Synthetic data generation using finite element method to pre-train an image segmentation model for defect detection using infrared thermography NSTL国家科技图书文献中心

Pareek, Kaushal Arun |  May, Daniel... -  《Journal of Intelligent Manufacturing》 - 2025,36(3) - 1879~1905 - 共27页

摘要: detection system. This work presents a framework for | The vision of a deep learning-empowered non | -destructive evaluation technique aligns perfectly with the |  goal of zero-defect manufacturing, enabling |  manufacturers to detect and repair defects actively. However
关键词: Flaw detection |  Deep learning |  Data augmentation |  Pre-training |  Zero defect manufacturing |  Inline inspection |  Synthetic data |  Finite element method |  Image segmentation |  Infrared thermography...

7. A Highly Sensitive Laser-Magnetic Focusing EMAR Method for Thin Metal Wall Thinning Measurements at Large Lift-Offs NSTL国家科技图书文献中心

Chen, Weiwei |  Lu, Chao... -  《IEEE sensors journal》 - 2025,25(3) - 4738~4748 - 共11页

摘要:-MFEMAR) method for flaw detection at large lift-off |  detection signals at a lift-off as much as 15 mm. The |  large lift-off detection of thin-walled metal parts |  and laser-MFEMAR detection comparison experiments on |  thickness detection of thin-walled metal parts at greater
关键词: Acoustics |  Metals |  Focusing |  Electromagnetics |  Bandwidth |  Ultrasonic imaging |  Testing |  Probes |  Magnetic resonance |  Magnetic flux...

8. Investigation of a piezoelectric ultrasonic surface wave transducer that minimizes structural scattering NSTL国家科技图书文献中心

Zhu, Xinjie |  Zhang, Jie... -  《Journal of Physics,D.Applied Physics》 - 2025,58(3) - 共12页

摘要: structures and flaw detection. | , indicating good detection capability. The experiment | The structure of the transducers for surface |  ultrasound wave sensing introduces structural scattering |  that affects the transducer's performance. A
关键词: piezoelectric ultrasonic surface wave transducer |  dynamic sound field simulation |  structural scattering |  uniform matching layer

9. Round robin experiment to detect, size, and characterize flaws in the welds of existing hydraulic steel structures using phased array ultrasonic testing NSTL国家科技图书文献中心

Schultz, Martin T. |  Campbell, Leslie E.... -  《Ultrasonics》 - 2025,145 - 共10页

摘要: detected 83% of the flaws scanned, but detection rates |  varied widely by flaw and technician. Uncertainty in |  flaw size estimates, represented by 90% confidence | Limited information exists on the ability of |  nondestructive testing techniques to detect, size, and
关键词: Phased array ultrasonic testing (PAUT) |  Round robin experiments |  Probability of detection |  Uncertainty |  Hydraulic steel structures |  Fitness for service analysis

10. The Design of Defect Sample for Eddy Current Detection and Reliability Test NSTL国家科技图书文献中心

Ting Jiao |  Junling Fan... -  《Proceedings of the 7th China Aeronautical Science and Technology Conference,v.II》 -  China Aeronautical Science and Technology Conference - 2025, - 413~426 - 共14页

摘要: distribution of the detection reliability flaw sample meets | Detection reliability test is the basis of |  detection reliability engineering analysis method. The |  probability of detection curves based on the test directly |  the requirement of eddy current detection
关键词: Eddy current detection |  Riveted joint |  Probability of detection |  Fatigue crack |  Independence
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