site stats

Dynamic recrystallization in pure magnesium

WebMar 11, 2015 · In magnesium alloys, the typical grain size range usually obtained by static recrystallization is 8-25 µm [23]. Cold hydrostatic extrusion, followed by low-temperature annealing, can produce... WebRotating backward extrusion (RBE) is one of severe plastic deformation (SPD) methods used to produce cylindrical components with a very large strain by a single pass. In this study, the microstructure and texture evolution in the different regions of Mg-12Gd-4Y-2Zn-0.5Zr (wt.%) alloys via RBE process were investigated by using optical microscopy (OM), …

Dynamic Recrystallization in Pure Magnesium - 日本郵便

WebJan 1, 2012 · Static recrystallization (SRX) is widely used in the rolling of magnesium alloys to provide softening between passes. Numerous low reduction (< 15%) rolling … WebOct 22, 2024 · Abstract Dynamic recrystallization (DRX) behavior of two binary Mg–0.5Gd and Mg–1.5Gd alloys and pure Mg were studied by hot compression in the temperature range of 300–450 °C to explore the role … baseball brawls 2022 https://cleanbeautyhouse.com

Verification of Dislocation Density and Dynamic Recrystallization …

WebMar 13, 2024 · Precipitates are closely related to ductile damage and dynamic recrystallization (DRX) in magnesium alloys. Using molecular dynamics simulation and … WebSep 1, 2001 · The discontinuous dynamic recrystallization and continuous dynamic recrystallization mechanism dominated the DRX behavior at … WebJan 10, 2024 · Optical images show that dynamic recrystallization (DRX) occurs in the as-extruded 0.2Ce, 0.5Ce and 1.0Ce alloys, and volume fraction of the recrystallized grains is ~65%, ~75% and ~97%, respectively (Figure 4b,e,h); that is, the proportion of recrystallization increases with the increasing addition of Ce. At the same time, the … baseball brawls 2020

Effect of Gd on Dynamic Recrystallization Behavior …

Category:Plastic contribution via DRX induced by kink and twin in a hot ...

Tags:Dynamic recrystallization in pure magnesium

Dynamic recrystallization in pure magnesium

Dynamic Recrystallization in Magnesium Alloy AZ31 Under

WebSep 16, 2024 · New dynamic recrystallization grains are formed around the grain boundaries through the migration of subgrain boundaries and the merging growth of subgrains. The nucleation and growth mechanism of dynamic recrystallization of magnesium alloys depend on the hot working conditions. WebMg-Gd-Y-Zn-Zr Mg alloys show excellent performance in high-end manufacturing due to its strength, hardness and corrosion resistance. However, the hot deformation and dynamic recrystallization (DRX) behaviors of Mg-13.5Gd-3.2Y-2.3Zn-0.5Zr were not studied. For this article, hot compression behavior of homogenized high rare-earth (RE) content Mg …

Dynamic recrystallization in pure magnesium

Did you know?

WebNov 1, 2024 · For experiments on Mg–Gd crystals, a binary Mg–Gd alloy was prepared by alloying pure Mg with Gd of 98.9% purity in a medium frequency induction furnace under Ar/CO 2 atmosphere. The binary alloy was homogenized … WebJan 1, 2006 · Some aspects of present research on dynamic recrystallization (DRX) in pure magnesium and its alloys were reviewed. The mechanical behaviors, including …

Web2 days ago · It should be noted that SFE for both pure Al and Al-Mg alloys have been reported of about 210 mJ/m 2 and 120 mJ/m 2, respectively [9]. Lin et al. [10] were found that dynamic recrystallization could take place in some aluminum alloys such as Al-Zn-Zr, Al-Cu-Mg and AI-Mg alloys. There is some evidence that discontinuous dynamic … WebOct 22, 2024 · Abstract Dynamic recrystallization (DRX) behavior of two binary Mg–0.5Gd and Mg–1.5Gd alloys and pure Mg were studied by hot compression in the temperature range of 300–450 °C to explore the role …

WebOct 12, 2024 · magnesium alloys; extrusion; dynamic recrystallization; microstructure; mechanical properties Graphical Abstract 1. Introduction Magnesium (Mg) and its alloys have attracted great interest for potential applications in the automotive and aerospace industries due to their low density and high specific strength [ 1 ]. WebDec 5, 2016 · Recrystallization, which can occur dynamically or statically, is an important phenomenon causing microstructure changes in deformed metals and therefore affecting the properties of the material. Even… Expand 13 PDF A model for the competition of precipitation and recrystallization in deformed austenite H. Zurob, Y. Bréchet, G. Purdy

WebNov 14, 2024 · Correlation between dynamic recrystallization and formation of rare earth texture in a Mg-Zn-Gd magnesium alloy during extrusion Download PDF Your article has downloaded

WebJul 7, 2024 · Dynamic Recrystallization in Magnesium Alloy AZ31 Under Large Plain Strain Warm Deformation Conditions Aditya Sarkar, Dany Chacko, Sushant K. … svmp 52pojieWebMay 15, 2024 · The primary dynamic recrystallization mechanisms in the Zn-0.08%Mg alloy were continuous dynamic recrystallization in conjunction with twin-induced dynamic recrystallization. After straining to a true strain of 161%, the Zn-0.08%Mg alloy displayed a uniform and heavily refined microstructure with an excellent combination of strength and … svm ovo和ovrhttp://cjonm.csu.edu.cn/paper/paperView.aspx?id=paper_18351 svm ovo ovr