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A Two-Stage Constitutive Model and Microstructure Evolution Simulation of a Nickel-Based Superalloy during High Temperature Deformation.

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Title: A Two-Stage Constitutive Model and Microstructure Evolution Simulation of a Nickel-Based Superalloy during High Temperature Deformation.
Authors: Zhu, Qiang1 (AUTHOR), Chen, Linjun1 (AUTHOR), Chen, Gang1 (AUTHOR), Wang, Chuanjie1 (AUTHOR), Qin, Heyong2 (AUTHOR), Zhang, Peng1 (AUTHOR) pzhang@hit.edu.cn
Source: Journal of Materials Engineering & Performance. Apr2023, Vol. 32 Issue 8, p3378-3389. 12p.
Subjects: High temperatures, Microstructure, Strains & stresses (Mechanics), Heat resistant alloys, Material plasticity, Strain rate
Abstract: Nickel-based superalloys have been widely used in aerospace, warship, energy and other fields due to their unique mechanical and physical properties. High temperature compression experiments of a nickel-based superalloy have been carried out at various deformation temperatures and strain rates in the present study. The mechanical properties during high temperature compression experiments are strongly associated with the initial microstructure, deformation temperature and strain rate. Based on dislocation theory and dynamic recrystallization (DRX) kinetics, a two-stage constitutive model for the dynamic recovery stage and DRX stage is developed. The calculated values are in good agreement with the experimental ones, indicating that the established constitutive model has good accuracy. Cellular automaton simulation realized the visualization of the evolution process of recrystallized grains during high temperature compression deformation. DRX grains nucleate and grow gradually with increasing strain. As the deformation temperature increases and the strain rate decreases, DRX volume fraction gradually increases. The present study has important guiding significance for studying the plastic deformation behavior during high temperature deformation and promoting their related applications. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 163256168
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  Label: Title
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  Data: A Two-Stage Constitutive Model and Microstructure Evolution Simulation of a Nickel-Based Superalloy during High Temperature Deformation.
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  Data: <searchLink fieldCode="AR" term="%22Zhu%2C+Qiang%22">Zhu, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Linjun%22">Chen, Linjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Gang%22">Chen, Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Chuanjie%22">Wang, Chuanjie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qin%2C+Heyong%22">Qin, Heyong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Peng%22">Zhang, Peng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> pzhang@hit.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. Apr2023, Vol. 32 Issue 8, p3378-3389. 12p.
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  Data: <searchLink fieldCode="DE" term="%22High+temperatures%22">High temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+resistant+alloys%22">Heat resistant alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Material+plasticity%22">Material plasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Strain+rate%22">Strain rate</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Nickel-based superalloys have been widely used in aerospace, warship, energy and other fields due to their unique mechanical and physical properties. High temperature compression experiments of a nickel-based superalloy have been carried out at various deformation temperatures and strain rates in the present study. The mechanical properties during high temperature compression experiments are strongly associated with the initial microstructure, deformation temperature and strain rate. Based on dislocation theory and dynamic recrystallization (DRX) kinetics, a two-stage constitutive model for the dynamic recovery stage and DRX stage is developed. The calculated values are in good agreement with the experimental ones, indicating that the established constitutive model has good accuracy. Cellular automaton simulation realized the visualization of the evolution process of recrystallized grains during high temperature compression deformation. DRX grains nucleate and grow gradually with increasing strain. As the deformation temperature increases and the strain rate decreases, DRX volume fraction gradually increases. The present study has important guiding significance for studying the plastic deformation behavior during high temperature deformation and promoting their related applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Apr2023
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