Methodology for Mapping the Residual Stress Field in Serviced Rails Using LCR Waves [0.03%]
利用LCR波映射服役钢轨残余应力场的方法学研究
Young-In Hwang,Hyosung Lee,Yong-Il Kim et al.
Young-In Hwang et al.
Non-destructive stress measurement by ultrasonic testing is based on calculating the acoustoelastic modulus obtained from the relationship between material stress and sound wave velocity. A critically refracted longitudinal (LCR) wave, whic...
A Methodology for Reconstructing Source Properties of a Conical Piezoelectric Actuator Using Array-Based Methods [0.03%]
基于阵列的圆锥形压电作动器声源特性反算法研究
P A Selvadurai,R Wu,P Bianchi et al.
P A Selvadurai et al.
We investigated the force produced by a conical piezoelectric (PZT, lead zirconate titanate) transducer actuated by high voltage pulses (HVP) in contact with a steel transfer plate. Using elastic wave propagation theory in a semi-infinite p...
Non-destructive Analysis of the Mechanical Properties of 3D-Printed Materials [0.03%]
三维打印材料机械性能的无损分析方法研究
R Domingo-Roca,L Asciak,J F C Windmill et al.
R Domingo-Roca et al.
The determination of the mechanical properties of materials is predominantly undertaken using destructive approaches. Such approaches are based on well-established mathematical formulations where a physical property of the material is measu...
Johannes Vrana,Ripudaman Singh
Johannes Vrana
Across so many industries, non-destructive evaluation has proven its worth time and again through quality and safety assurance of valuable assets. Yet, over time, it became underappreciated in business decisions. In most cases, the data gat...
Advancements in Radiographic Evaluation Through the Migration into NDE 4.0 [0.03%]
射线检测迈向无损评价4.0时代的进展与挑战
Hossain Saboonchi,Donald Blanchette,Kimberley Hayes
Hossain Saboonchi
The challenges presented by the global pandemic and slump in oil prices have imposed costly avoidance measures and delayed project timeliness, but it also has created the opportunity for innovation conditions in industrial non-destructive t...
Convolutional Neural Networks for Semantic Segmentation as a Tool for Multiclass Face Analysis in Thermal Infrared [0.03%]
语义分割卷积神经网络在热红外多类人脸识别中的应用研究
David Müller,Andreas Ehlen,Bernd Valeske
David Müller
Convolutional neural networks were used for multiclass segmentation in thermal infrared face analysis. The principle is based on existing image-to-image translation approaches, where each pixel in an image is assigned to a class label. We s...
Johannes Vrana,Ripudaman Singh
Johannes Vrana
Cyber technologies are offering new horizons for quality control in manufacturing and safety assurance in-service of physical assets. The line between non-destructive evaluation (NDE) and Industry 4.0 is getting blurred since both are senso...
John H Cantrell
John H Cantrell
A model for the amplitude and phase of ultrasonic tone-bursts incident on adherend-adhesive interfaces is developed for both reflected and transmitted waves. The model parameters include the interfacial stiffness constants, which characteri...
Finite Element Modelling of a Reflection Differential Split-D Eddy Current Probe Scanning Surface Notches [0.03%]
反射式差分分裂涡流探头扫描表面缺口的有限元分析
Ehsan Mohseni,Demartonne Ramos França,Martin Viens et al.
Ehsan Mohseni et al.
Differential eddy current probes are commonly used to detect shallow surface cracks in conductive materials. In recent years, a growing number of research works on their numerical modelling was conducted since the development of analytical ...
A Study of the Automated Eddy Current Detection of Cracks in Steel Plates [0.03%]
基于涡流检测的钢板表面裂纹自动检测技术研究
Ehsan Mohseni,Hamid Habibzadeh Boukani,Demartonne Ramos França et al.
Ehsan Mohseni et al.
Applying life estimation approaches to determine in-service life of structures and plan the inspection schedules accordingly are becoming acceptable safety design procedures in aerospace. However, these design systems shall be fed with reli...