Dynamic recrystallization in pure magnesium
WebApr 15, 2024 · Dynamic recovery (DRV) and dynamic recrystallization (DRX) are important mechanisms for improving the performance of products, since microstructure of materials is closely related to their dislocation evolution. http://cjonm.csu.edu.cn/paper/paperView.aspx?id=paper_18351
Dynamic recrystallization in pure magnesium
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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 WebAug 13, 2024 · AM30 magnesium alloy was obtained in the form of rod that was hot-extruded at 400 °C. The initial material was in a fully recrystallized state with equiaxed grains. The grain size distribution is bimodal in nature having peaks at 20 and 90 µm with overall average grain size of 69 µm.
WebMicrostructural evolution of commercial grade pure magnesium was studied during plastic deformation by torsion under high pressure at ambient temperature and by compression at temperatures ranging from 293 to 773 K and at a strain rate of 3×10 −3 s −1. To quantitatively understand the thin foil effect in in situ observations of the B2 to … WebMar 13, 2024 · Precipitates are closely related to ductile damage and dynamic recrystallization (DRX) in magnesium alloys. Using molecular dynamics simulation and …
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), … WebApr 11, 2024 · First of all pure magnesium was melted at 650 °C in the pit melting furnace, then the pure zinc was added at 690 °C and finally Mg-30Gd alloy and Mg–10Mn alloy were added at 750 °C and 780 °C, respectively. ... Texture evolution during dynamic recrystallization in a magnesium alloy at 450°C. Acta Mater., 67 (2014), pp. 102-115, …
WebNov 14, 2024 · Unveiling the formation of basal texture variations based on twinning and dynamic recrystallization in AZ31 magnesium alloy during extrusion. Acta Mater. 157 , 53–71 (2024).
http://densification.com/Contact.aspx how can i hold my mail deliveryWebFeb 6, 2024 · Effect of dynamic recrystallization (DRX) on the grain refinement and texture modification was studied by conducting a series of hot compression on AZ31B Mg alloy. Processing-grain size-texture maps were established as a function of temperature, strain rate, strain, and the Zener-Hollomon parameter (Z). how can i hit my driver longerWebMar 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... how many people died in jamestownWeb2 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 … how many people died in jamaicaWebSep 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. how can i homeschool my childrenWebOct 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 ]. how many people died in industrial revolutionWebMar 13, 2024 · Precipitates are closely related to ductile damage and dynamic recrystallization (DRX) in magnesium alloys. Using molecular dynamics simulation and the embedded atomic method, the competition between damage and DRX stimulated by the precipitate of magnesium alloys is investigated. how can i hold my breath longer underwater