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Davide Pederbelli, Luca Goglio, Davide Paolino, Massimo Rossetto and Andrea Tridello
Modern structures are designed to withstand in-service loads over a broad frequency spectrum. Nonetheless, mechanical properties in numerical codes are assumed to be frequency-independent to simplify calculations or due to a lack of experimental data, an...
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Stefano Invernizzi, Francesco Montagnoli and Alberto Carpinteri
The work provides a robust methodology for the determination of fatigue life expectation in the VHCF regime of the EN-AW6082 aluminium alloy, taking into account the influence of specimen size. In this way, correct fatigue life expectation for EN-AW6082 ...
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Pengfei Wang, Weiqiang Wang, Sanlong Zheng, Bingbing Chen and Zengliang Gao
Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage o...
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Mengxiong Zhao, Tieying Wu, Zhenhua Zhao, Lulu Liu, Gang Luo and Wei Chen
Ultrasonic resonance fatigue test method at 20 kHz related to the very high cycle fatigue (VHCF) aims to accelerate a time-consuming experiment. In this paper, an ultrasonic fatigue device with a data acquisition system was improved for monitoring and re...
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Xin Chen, Zhi Ye, Jun Yuan Xia, Jie Xiu Wang and Bo Hai Ji
To investigate the feasibility analysis of ultrasonic detection methods applied in the fatigue crack characteristics of steel structures, the double-probe ultrasonic detection method was applied to the prefabricated crack specimens fabricated from of fla...
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