Real-time and visible monitoring of structural damage using mechanoresponsive luminogen: recent progress and perspectives

Z Zhang, H Lin, X Wei, G Chen, X Chen - Welding in the World, 2022 - Springer
Structural damage is critically important for safety assessments of large-scale engineering
structures. The recent progress and future perspectives of structural damage detection …

Research on the progress of interdigital transducer (IDT) for structural damage monitoring

W Ziping, X Xiqiang, Q Lei, W Jiatao, F Yue… - Journal of …, 2021 - Wiley Online Library
In the application of Structural Health Monitoring (SHM) methods and related technologies,
the transducer used for electroacoustic conversion has gradually become a key component …

Fatigue crack evaluation of butt weld joints in full-scale aluminum alloy joints: Experimental and numerical study of traction structural stress

C Wang, T Zhu, B Yang, S Xiao, G Yang - International Journal of Fatigue, 2024 - Elsevier
In this study, the digital image correlation technique is used to determine the inconsistent
mechanical properties and microstructure non-uniformity in different regions of aluminum …

Low cycle fatigue evaluation of welded structures with arbitrary stress-strain curve considering stress triaxiality effect

X Pei, X Li, S Zhao, P Dong, X Liu, M Xie - International Journal of Fatigue, 2022 - Elsevier
In this work, load-controlled low-cycle fatigue tests of butt and lap joints are conducted, and
a structural strain range parameter is proposed to characterize the fatigue behavior of …

A study of fatigue surface crack propagation paths of aluminum alloy butt welds using a Phased-Array Total-Focus imaging technique

C Wang, T Zhu, B Yang, S Xiao, G Yang - Theoretical and Applied Fracture …, 2024 - Elsevier
In this study, the fatigue crack propagation behavior of aluminum alloy butt welds was
innovatively investigated using a phased-array ultrasonic total-focus imaging nondestructive …

An adaptive learning approach to determine and update crack sizes from strain relaxation data for welded plate joints

L Feng, X Qian - Engineering Fracture Mechanics, 2022 - Elsevier
This paper proposes the framework to determine and update the crack-front profile at the toe
of welded plate joints based on the strain relaxation data. This study determines the crack …

Enhanced real-time crack monitoring and updating in welded structural components with limited measurement data

L Feng, X Qian - Mechanical Systems and Signal Processing, 2023 - Elsevier
This paper presents an enhanced neural network-bootstrap particle filtering algorithm to
construct the complex relationship between the normalized strain relaxation indicators and …

Research on vibration fatigue and failure mechanism of the wire bracket for high-speed train

Z Dong, W Wang, S Dai, G Li - Engineering Failure Analysis, 2023 - Elsevier
A wire bracket is a cantilever structure connected to the axle box of a high-speed train. Its
force is complex and it is prone to vibration fatigue failure. Combined with fracture analysis …

A study of fatigue crack propagation paths at U-rib welds in orthotropic bridge decks using a phased-array imaging technique

H Yang, P Wang, H Qian, S Niu, P Dong - Theoretical and Applied Fracture …, 2022 - Elsevier
In this paper, the fatigue failure mode of single-and double-sided welded joints in orthotropic
bridge decks is innovatively investigated with the phased-array imaging technique for …

A ductile tearing assessment diagram for cracked circular-hollow-section joints under reversed loadings

T Liu, X Qian, W Wang, Y Chen - Marine Structures, 2023 - Elsevier
This paper proposes a ductile tearing assessment diagram (TAD) to predict the load
resistance to the crack extension relationship during the stable tearing process of the …