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https://doi.org/10.48548/pubdata-139
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| Field | Value |
|---|---|
| Resource type | Journal Article |
| Title(s) | Analysis of a phase-field finite element implementation for precipitation |
| DOI | 10.48548/pubdata-139 |
| Handle | 20.500.14123/158 |
| Creator | Safi, Ali Reza  0000-0003-4467-6734 (Helmholtz-Zentrum Hereon  03qjp1d79)Chafle, Rupesh (Helmholtz-Zentrum Hereon 03qjp1d79)Klusemann, Benjamin 0000-0002-8516-5087  142865192 (Institut für Produktionstechnik und -systeme (IPTS), Leuphana Universität Lüneburg 02w2y2t16) |
| Abstract | Precipitation hardening is an essential mechanism in materials design of age-hardenable aluminium alloys. The occurrence and distribution of nano-sized particles in such alloys can lead to superior material properties. During thermo-mechanical processing, these particles evolve dynamically as function of temperature and applied load. Therefore, sophisticated modelling frameworks are required to study the underlying phenomena of this microstructural evolution in depth. Phase-field method based on the diffuse interface approach has been successfully employed in literature to study particle nucleation and growth, as well as equilibrium particle shapes. Although phase-field models provide reliable results due to the flexible adaption of the free energy, the method is computationally expensive, requiring efficient solution schemes. The finite-element discretization in deal.II can overcome scalability disadvantages and can outperform standard finite-difference codes. In this work, we used adaptive mesh refinement and adaptive time-stepping and investigate how AMR and the use of the same stiffness matrix for a certain amount of time steps affect the performance of the phase-field model. Particle growth simulations are performed to outline the major benefits of the finite element phase-field model. The numerical strategy is shown to be effective regardless of the initial particle shape by considering different particle morphologies. The results illustrate a significant increase in simulation performance with the applied numerical techniques. |
| Language | English |
| DDC | 620 :: Ingenieurwissenschaften und zugeordnete Tätigkeiten |
| Year of publication in PubData | 2024 |
| Publishing type | Parallel publication |
| Publication version | Published version |
| Date issued | 2023-03-24 |
| Creation context | Research |
| Faculty / department | Fakultät Management und Technologie |
| Funded by | European Research Council |
| Funder-ID | Type: GRID Value: 0472cxd90 |
| Associated Project | MA.D.AM |
| Grant number / Project ID | 101001567 |
| Date of Availability | 2024-01-23T11:19:51Z |
| Archiving Facility | Medien- und Informationszentrum (Leuphana Universität Lüneburg 02w2y2t16) |
| Published by | Medien- und Informationszentrum, Leuphana Universität Lüneburg |
Information regarding first publication
| Field | Value |
|---|---|
| Resource type | Journal |
| Title of the resource type | Proceedings in Applied Mathematics and Mechanics |
| Identifier | DOI: 10.1002/pamm.202200238 |
| Publication year | 2023 |
| Volume | 22 |
| Issue | 1 |
| Number | e202200238 |
| Number type | Article |
| Publisher | Wiley |
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| File | Description | Size | Format | |
|---|---|---|---|---|
safi_2023_analysis_of_a_phase-field_finite_element_implementation_for_precipitation.pdf License: 
open-access | 1.28 MB | Adobe PDF | View/Open |
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