Journal ArticleDOI
A physically-based constitutive model for a typical nickel-based superalloy
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In this paper, a two-stage constitutive model was developed to predict the flow stress of a typical nickel-based superalloy with high forming temperature and low strain rate.About:
This article is published in Computational Materials Science.The article was published on 2014-02-15. It has received 208 citations till now. The article focuses on the topics: Dynamic recrystallization & Flow stress.read more
Citations
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EBSD study of a hot deformed nickel-based superalloy
TL;DR: In this article, the authors investigated the evolution of hot deformed microstructures of a typical nickel-based superalloy by isothermal compression tests under the deformation temperature range of 920-1040°C and strain rate range of 0.001-1 s−1.
Journal ArticleDOI
Dynamic recrystallization behavior of a typical nickel-based superalloy during hot deformation
TL;DR: In this paper, the volume fractions of DRX were estimated based on the conventional DRX kinetics model and a segmented model was proposed to describe the dynamic recrystallization behavior of a typical nickel-based superalloy.
Journal ArticleDOI
EBSD analysis of evolution of dynamic recrystallization grains and δ phase in a nickel-based superalloy during hot compressive deformation
Yong-Cheng Lin,Dao-Guang He,Ming-Song Chen,Xiao-Min Chen,Chun-Yang Zhao,Xiang Ma,Zhi-Li Long +6 more
TL;DR: In this paper, the evolution of dynamic recrystallization (DRX) grains and δ phase, as well as the interactions between DRX grains and the phase were investigated.
Journal ArticleDOI
Constitutive models for high-temperature flow behaviors of a Ni-based superalloy
TL;DR: In this article, the authors investigated the high-temperature deformation behaviors of a typical Ni-based superalloy under the strain rate of 0.001-1.s−1 and temperature of 920-1040°C.
Journal ArticleDOI
Microstructural evolution and constitutive models to predict hot deformation behaviors of a nickel-based superalloy
TL;DR: In this paper, the authors investigated the hot deformation behaviors of a nickel-based superalloy, and the hot compressive tests were conducted at the deformation temperature range of 920-1040°C and strain rate range of 0.001-1s−1.
References
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Journal ArticleDOI
Effect of Strain Rate Upon Plastic Flow of Steel
Clarence Zener,J. H. Hollomon +1 more
TL;DR: In this paper, an experiment was designed to check the equivalence of the effects of changes in strain rate and in temperature on the stress-strain relation in metal deformation.
Journal ArticleDOI
A critical review of experimental results and constitutive descriptions for metals and alloys in hot working
Yong-Cheng Lin,Xiao-Min Chen +1 more
TL;DR: In this paper, a critical review on some experimental results and constitutive descriptions for metals and alloys in hot working, which were reported in international publications in recent years, is presented.
Journal ArticleDOI
Constitutive modeling for elevated temperature flow behavior of 42CrMo steel
TL;DR: In this paper, the compressive deformation behavior of 42CrMo steel was investigated at the temperatures from 850 to 1150 ǫ c and strain rates from 0.01 to 50 s−1 on Gleeble-1500 thermo-simulation machine.
Journal ArticleDOI
Prediction of steel flow stresses at high temperatures and strain rates
A. Laasraoui,John J. Jonas +1 more
TL;DR: In this paper, the flow behavior of steels during deformation in the roll gap was simulated by means of single hit compression tests performed in the temperature range 800 °C to 1200 °C.
Journal ArticleDOI
A new method for evaluation of friction in bulk metal forming
Ramin Ebrahimi,Abbas Najafizadeh +1 more
TL;DR: In this paper, a simple theoretical analysis of the cylindrical compression test has been developed so that the constant friction factor can be estimated quantitatively by using cold/hot compression test.
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