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Steel and Composite Structures Volume 28, Number 5, September10 2018 , pages 517-525 DOI: https://doi.org/10.12989/scs.2018.28.5.517 |
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Constitutive model for ratcheting behavior of Z2CND18.12N austenitic stainless steel under non-symmetric cyclic stress based on BP neural network |
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Xingang Wang, Xiaohui Chen, Mingming Yan and Miaoxin Chang
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| Abstract | ||
| The specimens made by Z2CND18.12N austenitic stainless steel were conducted on a 100 kN closed loop servo hydraulic tension-compression testing machine with a digital controller. Uniaxial tension and uniaxial ratcheting effect tests were carried out at 25 | ||
| Key Words | ||
| BP neural network; constitutive relationship; Z2CND18.12N austenitic stainless steel; ratcheting strain; temperature | ||
| Address | ||
| (1) Xingang Wang, Xiaohui Chen, Mingming Yan, Miaoxin Chang: Mechanical Engineering and Automation, Center of Mechanical Reliability & Dynamics, Northeastern University, Taishan Road, Development District, Qinhuangdao, Hebei Province, 066004, China; (2) Xiaohui Chen: School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, China, 300072, China. | ||