Hot deformation characterization of duplex low-density steel through 3D processing map development

Mohamadizadeh, Alireza; Zarei-Hanzaki, A.; Abedi, H.R.; Mehtonen, Saara; Porter, David

doi:10.1016/j.matchar.2015.07.028

Cited by 83 publications

(30 citation statements)

References 41 publications

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“…13a and b. As anticipated, the power efficiency not only changes with deformation temperature and strain rate but it varies with strain (Mohamadizadeh et al, 2015). During the first hit, the peak value of power dissipation rate is about 27% emerging at 1150 • C \0.01 s −1 and the strain of 0.3 (Fig.…”

Section: Development Of Processing Mapssupporting

confidence: 70%

“…Taking account of an effective strain, consisting of the residual strain from the first hit and the strain imposed in the second hit, the partially recrystallized structure has more stored energy to make the DRX more easily take place compared with that of the first hit. It also can be found that the instability regions of every hit enlarge with the strain, in consistent with the fact that any deformation mechanism and flow instabilities may require a critical amount of strain to become effective (Mohamadizadeh et al, 2015).…”

Section: Development Of Processing Mapssupporting

confidence: 67%

See 1 more Smart Citation

Metadynamic recrystallization behavior and workability characteristics of HR3C austenitic heat-resistant stainless steel with processing map

Cheng

Wei

et al. 2016

Journal of Materials Processing Technology

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Section: Development Of Processing Mapssupporting

confidence: 70%

Section: Development Of Processing Mapssupporting

confidence: 67%

Metadynamic recrystallization behavior and workability characteristics of HR3C austenitic heat-resistant stainless steel with processing map

Cheng

Wei

et al. 2016

Journal of Materials Processing Technology

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“…At the temperature of 1150 • C, the recrystallization was completed. With increasing strain rate, the grain size gradually became smaller, because the recrystallized grains had less time to grow, which was also found in the literature [19][20][21]. The results in Figures 5 and 6 could explain the different flow behaviors of 300M steel at 0.01 s −1 and 10 s −1 in Figure 2.…”

Section: Microstructure Evolutionsupporting

confidence: 80%

Hot Workability of 300M Steel Investigated by In Situ and Ex Situ Compression Tests

Chen

Xiao

Wang

et al. 2019

Metals

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In this work, hot compression experiments of 300M steel were performed at 900-1150 • C and 0.01-10 s −1 . The relation of flow stress and microstructure evolution was analyzed. The intriguing finding was that at a lower strain rate (0.01 s −1 ), the flow stress curves were single-peaked, while at a higher strain rate (10 s −1 ), no peak occurred. Metallographic observation results revealed the phenomenon was because dynamic recrystallization was more complete at a lower strain rate. In situ compression tests were carried out to compare with the results by ex situ compression tests. Hot working maps representing the influences of strains, strain rates, and temperatures were established. It was found that the power dissipation coefficient was not only related to the recrystallized grain size but was also related to the volume fraction of recrystallized grains. The optimal hot working parameters were suggested. This work provides comprehensive understanding of the hot workability of 300M steel in thermal compression.

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“…Processing map on a wrought 2205 duplex stainless steel under hot compression conditions was developed based on the dynamic material model theories in a range of 1223–1473 K and 0.01–10 s −1 . Considering the effect of strain, 3D processing maps of duplex low‐density steel were developed for determining the safe and unsafe deformation conditions in association with the microstructural evolution …”

Section: Introductionmentioning

confidence: 99%

Hot Deformation Behavior and Processing Map of 40MnBH Alloy Steel

Chai

Zhang

Guo

et al. 2016

steel research int.

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The hot deformation behavior of the 40MnBH alloy is investigated by isothermal compression tests at the temperature of 900–1200 °C with the strain rate of 0.05, 0.5, and 5s−1, and the degree of compression ranging from 15 to 60%. The effects of deformation parameters are studied through the true stress–strain curve under different deformation conditions. The processing maps are constructed based on the dynamic material model. Microstructures of 40MnBH steel at different deformation conditions are observed. The results show that the stress of the alloy has a dependence on strain rate and deformation temperature. A constitutive model is built, which described the flow stress behavior of the alloy. The processing maps reveal that with the increase in the degree of compression, the instability regions decrease. The results of processing maps have been verified through the microstructures of the 40MnBH steel.

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Hot deformation characterization of duplex low-density steel through 3D processing map development

Cited by 83 publications

References 41 publications

Metadynamic recrystallization behavior and workability characteristics of HR3C austenitic heat-resistant stainless steel with processing map

Metadynamic recrystallization behavior and workability characteristics of HR3C austenitic heat-resistant stainless steel with processing map

Hot Workability of 300M Steel Investigated by In Situ and Ex Situ Compression Tests

Hot Deformation Behavior and Processing Map of 40MnBH Alloy Steel

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