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13 results on '"Chen, Liqiong"'

3. Partial Atrous Cascade R-CNN

Author

Cheng, Mofan, primary, Fan, Cien, additional, Chen, Liqiong, additional, Zou, Lian, additional, Wang, Jiale, additional, Liu, Yifeng, additional, and Yu, Hu, additional

Published
2022
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11. Towards the Biological Control of Devastating Forest Pathogens from the Genus Armillaria

Author

Chen, Liqiong, primary, Bóka, Bettina, additional, Kedves, Orsolya, additional, Nagy, Viktor Dávid, additional, Szűcs, Attila, additional, Champramary, Simang, additional, Roszik, Róbert, additional, Patocskai, Zoltán, additional, Münsterkötter, Martin, additional, Huynh, Thu, additional, Indic, Boris, additional, Vágvölgyi, Csaba, additional, Sipos, György, additional, and Kredics, László, additional

Published
2019
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13. A Simple and Efficient Method for Obtaining the Whole-Range Uniaxial Tensile Properties of Pipeline Steel

Author

Zhou Xiayi, Cheng Mao, Jie Chen, Kong Lingzhen, Chen Liqiong, and Lingbo Su

Subjects
lcsh:TN1-997, finite element model, pipeline steel, uniaxial tensile, Pipeline (computing), Mathematical analysis, Metals and Alloys, Gauge (firearms), Finite element method, true stress-true strain, Stress (mechanics), Set (abstract data type), Fracture (geology), Range (statistics), General Materials Science, gauge point, lcsh:Mining engineering. Metallurgy, Tensile testing, Mathematics
Abstract

To obtain the whole-range true stress-true strain curves of API X65, a method is proposed based on the equal proportion principle and digital images. The tensile elongation was obtained by tracing the gauge points on the specimen surface, and the true strain and true stress of API X65 were calculated according to the formulae. The obtained true stress-true strain curves were validated by a 3-D finite element model. The true stress-true strain curve was set as the input data, while the engineering stress-engineering strain curve was set as the output data. The output data of the finite element model was the same as that of the experiment test. The findings imply that the proposed method could acquire reliable, whole-range true stress-true stain curves. These curves, which depict the material behavior of pipeline steel from initial elongation to fracture, could provide basic data for pipeline defect tolerance limit analysis and fracture assessment.

Published
2018
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