site stats

Dynamic recrystallization drx

WebOf particular importance is dynamic recrystallization (DRX) resulting in the desired grain size directly during plastic deformation [11,12,13,14,15]. The main regularities of DRX … WebApr 11, 2024 · Geng et al. simulated the evolution of dynamic recrystallization (DRX) in a GH4169 superalloy hot-compressive procedure by using a 2D FE approach under the ABAQUS environment and verified the simulated results by microstructure observations.

Combination of dynamic transformation and dynamic …

WebJan 6, 1998 · Dynamic recrystallization (DRX) and dynamic recovery (DR) are two competing processes by which metals and alloys undergo a reduction in the density of … WebThe results showed that the dynamic recrystallization (DRX) occured during the hot compression processing from the strain-stress flow curves. When the temperature … philip french gran torino the guardian https://glynnisbaby.com

Dynamic Recrystallization during Hot Deformation of 304 …

WebOct 25, 2024 · According to the authors, discontinuous dynamic recrystallization (DDRX) was the main DRX mechanism. Moreover, Duan et al. [ 8 ] researched the Q-value and the DRX kinetics of an AZ80A magnesium alloy through hot deformation implemented at temperatures ranging from 350 °C to 450 °C and strain rates from 0.001 to 1 s −1 . WebFeb 10, 2024 · Strain amount occupied a dominant position in manipulating the dynamic recrystallization (DRX) process and regulating the grain size of the alloy during hot forging. In this article, the high-throughput double cone specimen was introduced to yield wide-range strain in a single sample. Continuous variations of effective strain ranging from 0.23 ... WebApr 11, 2024 · On the other hand, dense arrangements of LPSO decrease the volume fraction of dynamic recrystallization (DRX). Dilute Mg–Zn–Y alloys tend to form stacking faults rather than a single type of LPSO, resulting in alternating soft and hard phases, which is referred to as a Mille-feuille structure (MFS) [23,24]. Hagihara et al. claimed that a ... philip freriks wikipedia

Characterization for Dynamic Recrystallization Kinetics …

Category:Grain size evolution during discontinuous dynamic recrystallization ...

Tags:Dynamic recrystallization drx

Dynamic recrystallization drx

Investigation of the Dynamic Recrystallization of FeMnSiCrNi …

WebThe results showed that the dynamic recrystallization (DRX) occured during the hot compression processing from the strain-stress flow curves. When the temperature increased to 420 °C, the average grain size reduced to 6.64 μm, and the volume fraction of DRXed grains increased to 81.5%. All the compressed alloys exhibited a typical compression ... WebNov 7, 2024 · The dominant nucleation mechanism of dynamic recrystallization (DRX) is the bulging of original grain boundaries, which is the typical feature of discontinuous dynamic recrystallization (DDRX), and continuous dynamic recrystallization (CDRX) is merely an assistant mechanism of DRX. The main contributions of DRX on …

Dynamic recrystallization drx

Did you know?

WebApr 10, 2024 · Composition variations in precipitate and solute content of ZK60 Mg alloys, with Zn variations and Ce substitutions, allow for the formation of higher melting point … WebIn the severe deformation of low- to medium-stacking fault energy (SFE) materials with a large stored strain energy gradient, DRX usually occurs by discontinuous dynamic recrystallization, where new dislocation-free grains nucleate from deformed grains and subsequently grow [3,4,5]. However, at a high deformation temperatures and low strain ...

WebApr 12, 2024 · DatacenterDynamics tracks the growth of the data center industry. We publish news, magazine features, and podcasts about the hottest industry topics, … WebDec 5, 2016 · The dynamic recrystallization (DRX) phenomena occurring in different thermo-mechanical processing (TMP) conditions for various metallic materials are …

WebJan 20, 2024 · The existence of dynamic recrystallization (DRX), i.e., recrystallization occurring during straining, has long been questioned [] despite the publication of strong mechanical and microstructural evidence [].Some authors later showed that it was not merely a “laboratory curiosity” but in fact a real “industrial tool” [].Currently, DRX has … WebDynamic recrystallization (DRX) processes are widely used in industrial hot working operations, not only to keep the forming forces low but also to control the microstructure …

WebFeb 1, 2014 · The objective of this work is to present a novel approach for describing grain size behaviour during discontinuous DRX at high temperatures in single-phase face-centred cubic (fcc) alloys. A thermodynamic framework has been derived by the authors for predicting the dynamic recovery rate and average dislocation density ρ evolution at …

WebJun 29, 2024 · In such conditions, dynamic recrystallization (DRX) proceeds by reorganizing defects and grain structure to minimize the internal energy. Depending on … philip french spellingWebApr 8, 2024 · These are a result of the underlying physical microstructural mechanism during the process, where joints are formed under shear deformation (SD) and/or dynamic recrystallization (DRX). To ensure a first quality assessment of the joints during processing, it is critical to precisely investigate the relation between (macro)-mechanical … philip frey paintingsWebSep 1, 2010 · mation, namely, dynamic recovery 共 DR V 兲, dynamic recrystallization 共 DRX 兲, and superplasticity, the DRX is the most preferred mechanism as it enhances … philip frickerWebDynamic search and list-building capabilities. Real-time trigger alerts. Comprehensive company profiles. Valuable research and technology reports. Get a D&B Hoovers Free … philip friedbergWebFeb 6, 2013 · During hot forming process alloy is liable to undergo work hardening (WH), dynamic recovery (DRV) and dynamic recrystallization (DRX), three metallurgical phenomena for controlling microstructure and … philip freyWebAug 1, 2024 · Dynamic recrystallization (DRX), which takes place during hot deformation of metallic materials once a critical strain level has been reached, can significantly modify … philip fried dermatologyDynamic recrystallization (DRX) is a type of recrystallization process, found within the fields of metallurgy and geology. In dynamic recrystallization, as opposed to static recrystallization, the nucleation and growth of new grains occurs during deformation rather than afterwards as part of a separate heat treatment. The reduction of grain size increases the risk of grain boundary sliding at elevated temperatures, while also decreasing dislocation mobility within the material. The new g… philip friede \u0026 co accountants