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Applied Sciences
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Novel Materials and Technologies in Foundry Engineering
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Novel Materials and Technologies in Foundry Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (20 October 2021) | Viewed by 6429

Special Issue Editors

Prof. Dr. Artur Bobrowski

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Guest Editor
Faculty of Foundry Engineering, AGH University of Science and Technology, Aleja Adama Mickiewicza 30, 30-059 Kraków, Poland
Interests: new foundry materials and technologies; pro-ecological technologies and recycling of materials in foundry; improving the efficiency of material and energy consumption in foundry
Special Issues, Collections and Topics in MDPI journals
Dr. Karolina Kaczmarska

E-Mail Website
Guest Editor
Faculty of Foundry Engineering, AGH University of Science and Technology, Kraków, Poland
Interests: molding sand; 3D printing materials; structural and thermal analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Daniel Nowak

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 27 Wybrzeże Wyspiańskiego, 50370 Wrocław, Poland
Interests: automation of production processes; microwaves in foundry; recycling in foundry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The production of high-quality castings that meet the highest requirements in the fields of surface quality, dimensional accuracy, microstructure, and related mechanical and functional properties, requires extensive knowledge in the field of materials engineering. The use of modern materials, technology, and design and simulation tools supporting engineering work is the key to the high competitiveness of the foundry. The human aspect, namely the highly qualified engineering staff, is also important. Like other industries, foundries are undergoing the next stage of industrial transformation—Industry 4.0. Thanks to the use of advanced technology, it is possible to meet customer expectations, while increasing the quality and efficiency, and maintaining or even reducing production costs.

We welcome articles of high substantive and cognitive value. This Special Edition of Applied Science, titled "Novel Materials and Technologies in Foundry Engineering", aims to be a place for the exchange of knowledge and experience between researchers, as well as practitioners, who use the latest advanced production systems on a daily basis.

The thematic scope of the articles includes the following:

  • foundry of metals and alloys
  • foundry composites
  • new engineering materials
  • materials for molds and cores
  • auxiliary materials and protective coatings
  • additive manufacturing (3D printing)
  • virtualization of metallurgical and foundry processes
  • computer simulations
  • intelligent control systems
  • artificial intelligence and databases
  • mechanization, automation, and robotization of production
  • economics of manufacturing processes
  • pro-ecological technologies

Feel free to submit your articles.

Prof. Artur Bobrowski
Dr. Karolina Kaczmarska
Prof. Daniel Nowak
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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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.

Published Papers (3 papers)

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Research

11 pages, 4022 KiB  
Article
Molecular Dynamic (MD) Simulations of Organic Modified Montmorillonite
by Sylwia Cukrowicz, Paweł Goj, Paweł Stoch, Artur Bobrowski, Bożena Tyliszczak and Beata Grabowska
Appl. Sci. 2022, 12(1), 314; https://doi.org/10.3390/app12010314 - 29 Dec 2021
Cited by 4 | Viewed by 2029
Abstract
This study complements the knowledge about organobentonites, which are intended to be new binders in foundry technology. In the developed materials, acrylic polymers act as mineral modifying compounds. Modification of montmorillonite in bentonite was carried out in order to obtain a composite containing [...] Read more.
This study complements the knowledge about organobentonites, which are intended to be new binders in foundry technology. In the developed materials, acrylic polymers act as mineral modifying compounds. Modification of montmorillonite in bentonite was carried out in order to obtain a composite containing a polymer as a lustrous carbon precursor. The polymer undergoes thermal degradation during the casting process, which results in the formation of this specific carbon form, ensuring the appropriate quality of the casting surface without negative environmental impact. The present paper reports the results of computational simulation studies (LAMMPS software) aimed at broadening the knowledge of interactions of organic molecules in the form of acrylic acid and acrylate anions (from sodium acrylate) near the montmorillonite surface, which is a simplified model of bentonite/acrylic polymer systems. It has been proven that the –COOH group promotes the adsorption of acrylic acid (AA) to the mineral surface, while acrylate ions tend to be unpredictably scattered, which may be related to the electrostatic repulsion between anions and negatively charged clay surfaces. The simulation results are consistent with the results of structural tests carried out for actual organobentonites. It has been proven that the polymer mainly adsorbs on the mineral surface, although it also partially intercalates into the interlayer spaces of the montmorillonite. This comprehensive research approach is innovative in the engineering of foundry materials. Computer simulation methods have not been used in the production of new binding materials in molding sand technology so far. Full article
(This article belongs to the Special Issue Novel Materials and Technologies in Foundry Engineering)
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15 pages, 7826 KiB  
Article
An Evaluation of the Microstructure of High-Aluminum Cast Iron in Terms of the Replacement of Aluminum Carbide with Titanium Carbide or Tungsten Carbide
by Robert Gilewski, Dariusz Kopyciński, Edward Guzik and Andrzej Szczęsny
Appl. Sci. 2021, 11(20), 9527; https://doi.org/10.3390/app11209527 - 13 Oct 2021
Viewed by 1627
Abstract
One of the problems with recycling is that of widespread contaminated steel scrap with an unwanted aluminum addition. In this paper, we will present a specific solution to this problem. The implementation of high-aluminum cast iron production has been considered. This cast iron [...] Read more.
One of the problems with recycling is that of widespread contaminated steel scrap with an unwanted aluminum addition. In this paper, we will present a specific solution to this problem. The implementation of high-aluminum cast iron production has been considered. This cast iron is a cheap material resistant to high temperatures; additionally, it has increased abrasion resistance. Despite the above-mentioned advantages, high-aluminum cast iron has not been widely used in the industry so far, due to the difficulties encountered during machining and the occurrence of the phenomenon of spontaneous disintegration. The paper presents a method for replacing aluminum carbide with titanium carbide or tungsten carbide. This research shows that the carbide replacement procedure is sufficient in stopping the phenomenon of self-disintegration of a casting made of high-aluminum cast iron. Moreover, a new material was obtained, i.e., high-aluminum cast iron with precipitates of hard tungsten carbide and flake graphite. When considering the abrasive resistance of this material, flake graphite can be treated as the natural lubricant phase and tungsten carbide precipitation, as the hardening phase. Full article
(This article belongs to the Special Issue Novel Materials and Technologies in Foundry Engineering)
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10 pages, 4542 KiB  
Article
Changes in Abrasive Wear Resistance during Miller Test of High-Manganese Cast Steel with Niobium Carbides Formed in the Alloy Matrix
by Grzegorz Tęcza
Appl. Sci. 2021, 11(11), 4794; https://doi.org/10.3390/app11114794 - 24 May 2021
Cited by 3 | Viewed by 1849
Abstract
High-manganese Hadfield cast steel is commonly used for machine components operating under dynamic load conditions. The high fracture toughness and abrasive wear resistance of this steel are the result of an austenitic structure, which—while being ductile—at the same time tends to surface harden [...] Read more.
High-manganese Hadfield cast steel is commonly used for machine components operating under dynamic load conditions. The high fracture toughness and abrasive wear resistance of this steel are the result of an austenitic structure, which—while being ductile—at the same time tends to surface harden under the effect of cold work. Absence of dynamic loads (e.g., in the case of sand abrasion) causes rapid and premature wear of parts. To improve the abrasive wear resistance of high-manganese cast steel for operation under the conditions free from dynamic loads, primary niobium carbides are produced in this cast steel during the melting process to obtain in castings, after melt solidification, the microstructure consisting of an austenitic matrix and primary niobium carbides uniformly distributed in this matrix. The measured hardness of the tested samples as cast and after solution heat treatment is 260–290 HV and is about 30–60 HV higher than the hardness of common Hadfield cast steel, which is 230 HV. Compared to common Hadfield cast steel, the abrasive wear resistance of the tested high-manganese cast steel measured in the Miller test is at least three times higher at the niobium content of 3.5 wt%. Increasing the niobium content to 4.5 wt%. in the tested samples increases this wear resistance even more. Full article
(This article belongs to the Special Issue Novel Materials and Technologies in Foundry Engineering)
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