期刊
COMPUTATIONAL MATERIALS SCIENCE
卷 173, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.commatsci.2019.109419
关键词
Static recrystallization; Quasi-in-situ EBSD; Crystal plasticity finite element; Phase-field model; Rolled pure aluminium; Incubation time
资金
- Aviation Industry Corporation of China (AVIC)
- First Aircraft Institute (FAI)
- China Scholarship Council (CSC)
- Henry Lester Trust
- Great Britain-China Educational Trust
- EPSRC [EP/R001715/1]
- EPSRC [EP/R001715/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/R001715/1] Funding Source: researchfish
An in-depth understanding of the recrystallization process in alloys is critical to manufacturing metal parts with superior properties. However, the development of recrystallization model under various processing conditions is still in its early research stage and becoming an urgent demand for both the manufacturing industry and scientific research. In this work, a validated numerical model that is capable of predicting the recrystallized grain structure, incubation time for the grain nucleation and texture evolution, was developed using a Kobayashi, Warren and Carter (KWC) phase-field model coupled with crystal plasticity finite element (CPFE) analysis. Through characterising the microstructural evolution of static recrystallization (SRX) by quasi-in-situ Electron Backscatter Diffraction (EBSD) mapping, insights into dislocation density, grain nucleation position, grain growth rate and recrystallized grain orientation were established and compared with the computational model. This model enables a reliable and accurate prediction of recrystallized grain morphology and texture.
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