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Metals
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Numerical Simulation of Foundry and Solidification Processes
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Numerical Simulation of Foundry and Solidification Processes

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: closed (15 May 2024) | Viewed by 2370

Special Issue Editors

Prof. Dr. Jianxin Zhou

E-Mail Website
Guest Editor
State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: casting; numerical simulation; digital management; intelligent technology
Dr. Yajun Yin

E-Mail Website
Guest Editor
State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: solidification; numerical simulation; defect prediction; process optimization
Dr. Xiaoyuan Ji

E-Mail Website
Guest Editor
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: foundry; digital management; intelligent technology

Special Issue Information

Dear Colleagues,

Casting is one of the most widely used metal forming methods and serves as a foundation in the aviation, aerospace, and automotive industries, among others. However, the complexity of the processing conditions makes it difficult to observe and optimize the casting process. Numerical simulation technology provides a digital representation of the high-temperature metal liquid evolution process and enables the prediction of casting quality. The continuous development of numerical simulation technology for the mold filling and solidification processes in casting has played a crucial role in achieving high-quality castings, making it a key technology in the foundry industry.

However, the increasing demand for an improved casting structure and performance in engineering requires further development of foundry and solidification simulation technology, focusing on aspects such as the high precision and efficiency of numerical simulation methods; through-process simulations; macro-, micro-, or multi-scale simulations; and multi-field coupling models. In order to promote the further development of foundry and solidification simulation technology, we are pleased to invite you to submit your contributions that are related to this Special Issue, “Numerical Simulation of Foundry and Solidification Processes”.

This Special Issue welcomes various research articles on numerical simulations of foundry and solidification processes, including those that focus on casting process (such as smelting, mold-filling, solidification, heat treatment, core making, etc.) simulation technology, multi-scale simulation technology, defect prediction technology, high-precision and highly efficient algorithms, and more. We look forward to receiving your contributions.

Prof. Dr. Jianxin Zhou
Dr. Yajun Yin
Dr. Xiaoyuan Ji
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • foundry industry
  • casting solidification
  • numerical simulation
  • casting defect prediction
  • through-process simulation
  • multi-scale simulation

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Published Papers (2 papers)

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Research

17 pages, 10723 KiB  
Article
Effect of Electro-Pulse on Microstructure of Al-Cu-Mn-Zr-V Alloy during Aging Treatment and Mechanism Analysis
by Dequan Shi, Wenbo Yu, Guili Gao and Kaijiao Kang
Metals 2024, 14(6), 648; https://doi.org/10.3390/met14060648 - 29 May 2024
Viewed by 570
Abstract
The effects of electro-pulse on microstructure and mechanical properties of Al-Cu-Mn-Zr-V alloy were investigated, and the ageing mechanism was analyzed. As the current density increases, the size and quantity of precipitates gradually transit from continuous aggregation to dispersion at grain boundaries, and the [...] Read more.
The effects of electro-pulse on microstructure and mechanical properties of Al-Cu-Mn-Zr-V alloy were investigated, and the ageing mechanism was analyzed. As the current density increases, the size and quantity of precipitates gradually transit from continuous aggregation to dispersion at grain boundaries, and the mechanical properties are improved. When the current density is 15 A·mm−2, the precipitates are smallest and the mechanical properties are best. The tensile strength is 443.5 MPa and the elongation is 8.1%, which are 51.7% and 42.1% higher than those of conventional ageing treatment, respectively. Once the current density exceeds 15 A·mm−2, the precipitates will increase again and gather at grain boundaries, and the mechanical properties also decrease. An additional electrical free energy arising from an electro-pulse provides thermodynamic and kinetic conditions for the ageing precipitation of second phases. The electro-pulse can enhance the ageing diffusion coefficient, being improved by 34 times for 15 A·mm−2. The electro-pulse improves the nucleation rate and decreases the critical nucleation radii of second phases. However, it also accelerates the grain growth, making the second phases become coarse. An electro-pulse with a current density of 15 A·mm−2 can rapidly nucleate the second phase at 463 K while the precipitates are relatively small after growth. Full article
(This article belongs to the Special Issue Numerical Simulation of Foundry and Solidification Processes)
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19 pages, 10642 KiB  
Article
Numerical Simulation of Sand Casting of Stainless Steel Pump Impeller
by Karlo Jurković, Zdravko Schauperl, Sanja Šolić and Branko Bauer
Metals 2024, 14(4), 435; https://doi.org/10.3390/met14040435 - 8 Apr 2024
Cited by 2 | Viewed by 1465
Abstract
This paper investigates the casting defects of a stainless steel pump impeller manufactured through the sand casting process. The material characterization of austenitic steel AISI 316L was initially carried out, which examined the chemical composition of the casting and its microstructure. The next [...] Read more.
This paper investigates the casting defects of a stainless steel pump impeller manufactured through the sand casting process. The material characterization of austenitic steel AISI 316L was initially carried out, which examined the chemical composition of the casting and its microstructure. The next step was to determine the cause of the casting defects using numerical simulations. The numerical simulations were performed using ProCAST software (Version 18.0). Initial results of the filling and solidification simulations were conducted using the parameters employed in the actual casting process, revealing casting defects in corresponding locations. The casting process was subsequently modified to achieve improved results. This involved reconstructing the gating system, redesigning the riser, and incorporating a cylindrical chiller. The results show that the modified casting process significantly reduces the occurrence of defects in the final product. The study provides useful insights into the analysis and modification of the casting process for stainless steel pump impellers produced through sand casting. The results can help improve the quality of such products and reduce production costs associated with casting defects. Full article
(This article belongs to the Special Issue Numerical Simulation of Foundry and Solidification Processes)
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