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Metals
Special Issues
Plasticity and Metal Forming
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Plasticity and Metal Forming

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: 31 December 2024 | Viewed by 2284

Special Issue Editors

Dr. Gaoshen Cai

E-Mail Website
Guest Editor
School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
Interests: Hydroforming; Plastic forming; Formability; Additive manufacturing
Dr. Yao Wang

E-Mail Website
Guest Editor
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300400, China
Interests: plasticity and metal forming; fibre metal laminates; drawing forming; in-situ composite

Special Issue Information

Dear Colleagues,

Plasticity and metal forming are important methods of metal processing in the modern manufacturing industry. The progress of plasticity and metal forming and processing, including the control and characterization of materials in all processing steps and their final performance analysis, is the scope of this Special Issue. Nowadays, with the extensive use of new materials and composite materials in the manufacturing industry, the requirements for plasticity and metal forming processes are continuously increasing to meet the requirements of lightweight products. At the same time, breakthroughs have been made in the development of a series of technologies related to plasticity and metal forming, such as numerical control processing, artificial intelligence, and integrated manufacturing, and new technologies and processes for plasticity and metal forming are constantly emerging.

This Special Issue welcomes articles that focus on new plasticity and metal processing and manufacturing methods and their impact on the performance of end products. Fully controllable fast and low-cost processes especially remain of interest, with a high implementation potential in plasticity and metal forming that allows producing high-performance products.

Dr. Gaoshen Cai
Dr. Yao Wang
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

  • plasticity
  • metal forming
  • hydroforming
  • stamping forming
  • deformation mechanism
  • difficult-to-deform materials
  • compound material
  • structural characterization
  • aluminum alloy

Published Papers (2 papers)

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Research

15 pages, 7711 KiB  
Article
Optimization of Processing Parameters of Aluminum Alloy Cylindrical Parts Based on Response Surface Method during Hydromechanical Deep Drawing
by Yufeng Pan and Gaoshen Cai
Metals 2023, 13(8), 1406; https://doi.org/10.3390/met13081406 - 6 Aug 2023
Cited by 1 | Viewed by 955
Abstract
Aluminum alloy has been proposed as one of the next generation of lightweight body structure materials, which is widely used in the main components of the aerospace field. In order to realize efficient and accurate forming of aluminum alloy cylindrical parts, the response [...] Read more.
Aluminum alloy has been proposed as one of the next generation of lightweight body structure materials, which is widely used in the main components of the aerospace field. In order to realize efficient and accurate forming of aluminum alloy cylindrical parts, the response surface method combined with finite element simulation was used to optimize the key processing parameters during the hydromechanical deep drawing process. Three processing parameters of friction coefficient, pressure rate, and fillet radius of the die were selected as the optimization variables, and the maximum thinning rate of cylindrical parts was selected as the optimization evaluation index. The Box–Behnken design was selected to design the experiment scheme. A quadratic response model between the maximum thinning rate and the processing parameters was established by the response surface analysis software Design Expert for experimental design and data analysis. The optimal processing parameter combination was obtained through this model. The results show that the optimal conditions of maximum thinning rate can be met when the pressure rate is 11.6 MPa/s, the friction coefficient is 0.15, and the fillet radius of the die is 8 mm. Finally, the experimental verification was carried out by using the optimized combination of process parameters. It was found that the error between the experimental results and the predicted simulation results was within 5%, and the cylindrical parts which met the quality requirements were finally formed. Full article
(This article belongs to the Special Issue Plasticity and Metal Forming)
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19 pages, 9547 KiB  
Article
The Experimental Study on the Mechanical Properties of Fiber-Reinforced Metal Laminates Using an Innovative Heat-Solid Integrated Forming Technology
by Quanda Zhang, Fuzhen Sun, Yinuo Ma and Zhiying Sun
Metals 2023, 13(7), 1199; https://doi.org/10.3390/met13071199 - 28 Jun 2023
Viewed by 839
Abstract
In the forming process of fiber-reinforced metal laminates (FMLs) product, the exploratory compound forming technology, including hot stamping of aluminum alloy and laying process of fiber prepreg which is named HFQ-FMLs was proposed to solve the puzzles such as weak rigidity, low strength [...] Read more.
In the forming process of fiber-reinforced metal laminates (FMLs) product, the exploratory compound forming technology, including hot stamping of aluminum alloy and laying process of fiber prepreg which is named HFQ-FMLs was proposed to solve the puzzles such as weak rigidity, low strength and integration deformation with large difficulty, and the feasibility and mechanical properties of the innovative forming process were studied. Firstly, based on the modified metal volume fraction formula, the theoretical values of the mechanical properties of the HFQ-FMLs plates were calculated. Compared with the experimental results, the minimum error is 1%, proving that the HFQ-FMLs technology scheme is feasible. Secondly, three kinds of metal sheets with different heat treatments and specimens by HFQ-FMLs were carried out for the tensile tests, the mechanical properties distributions were demonstrated, and the influence regularity of the strain rate and rolling direction on the stress analysis was considered at the same time. As can be seen from the distribution of yield strength and tensile strength, the yield stress of metal sheets obtained by HFQ-FMLs technology along the 45° is superior to the raw material and can increase by 46% under strain rate = 0.01 s−1. While, because the vacuum thermal curing treatment makes the aluminum alloy happen double aging, the metal sheet strength dropped, and the jointing strength between the metal and fiber prepreg became weak too, which made the strength limit of the new material improve weakly. Thirdly, the fractured style of the FMLs under different conditions was studied qualitatively. It is helpful to achieve the development rule of defects, optimize the craft route, and avoid deformation failure. Full article
(This article belongs to the Special Issue Plasticity and Metal Forming)
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