- Cited by 30
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Lin, Y.C. Luo, Shun-Cun Yin, Liang-Xing and Huang, Jian 2018. Microstructural evolution and high temperature flow behaviors of a homogenized Sr-modified Al-Si-Mg alloy. Journal of Alloys and Compounds, Vol. 739, Issue. , p. 590.
Ehrlin, Niklas Fisk, Martin and Bjerkén, Christina 2018. Flow stress model for hydrogen degraded Inconel 718. Mechanics of Materials, Vol. 119, Issue. , p. 56.
Lin, Y.C. Dong, Wen-Yong Zhou, Mi Wen, Dong-Xu and Chen, Dong-Dong 2018. A unified constitutive model based on dislocation density for an Al-Zn-Mg-Cu alloy at time-variant hot deformation conditions. Materials Science and Engineering: A, Vol. 718, Issue. , p. 165.
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GUO, Lianggang WANG, Fengqi ZHEN, Pengliang LI, Xuechao and ZHAN, Mei 2018. A novel unified model predicting flow stress and grain size evolutions during hot working of non-uniform as-cast 42CrMo billets. Chinese Journal of Aeronautics,
Lin, Y. C. Liang, Ying-Jie Chen, Ming-Song and Chen, Xiao-Min 2017. A comparative study on phenomenon and deep belief network models for hot deformation behavior of an Al–Zn–Mg–Cu alloy. Applied Physics A, Vol. 123, Issue. 1,
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Chen, Dong-Dong Lin, Y.C. Zhou, Ying Chen, Ming-Song and Wen, Dong-Xu 2017. Dislocation substructures evolution and an adaptive-network-based fuzzy inference system model for constitutive behavior of a Ni-based superalloy during hot deformation. Journal of Alloys and Compounds, Vol. 708, Issue. , p. 938.
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Wen, Dong-Xu Lin, Y.C. and Zhou, Ying 2017. A new dynamic recrystallization kinetics model for a Nb containing Ni-Fe-Cr-base superalloy considering influences of initial δ phase. Vacuum, Vol. 141, Issue. , p. 316.
He, Xu and Yao, Yao 2017. A dislocation density based viscoplastic constitutive model for lead free solder under drop impact. International Journal of Solids and Structures, Vol. 120, Issue. , p. 236.
Bobbili, Ravindranadh Venkata Ramudu, B. and Madhu, Vemuri 2017. A physically-based constitutive model for hot deformation of Ti-10-2-3 alloy. Journal of Alloys and Compounds, Vol. 696, Issue. , p. 295.
Chen, Ming-Song Yuan, Wu-Quan Lin, Y.C. Li, Hong-Bin and Zou, Zong-Huai 2017. Modeling and simulation of dynamic recrystallization behavior for 42CrMo steel by an extended cellular automaton method. Vacuum, Vol. 146, Issue. , p. 142.
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The strain hardening effect and dynamic recovery behavior of a Ni-based superalloy are studied by isothermal compressive tests. A new unified dislocation-density based constitutive model is developed to characterize the strain hardening effect and dynamic recovery behavior of the studied superalloy. In the developed constitutive model, some material parameters (yield stress, strain hardening coefficient, and dynamic recovery coefficient) are assumed as functions of initial grain size, deformation temperature, and strain rate. An iterative algorithm is designed to predict the high-temperature deformation behaviors under time-variant hot working conditions. The hot deformation parameters and material parameters can be updated in each strain increment. Comparisons between the experimental and calculated flow stresses indicate that the developed constitutive model can accurately describe the high-temperature deformation behavior of the studied superalloy. Furthermore, the developed constitutive model is also successfully used for analyzing time-variant hot working processes.
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