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Advances in Materials Science and Engineering—in Celebration of 55th Anniversary...
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Advances in Materials Science and Engineering—in Celebration of 55th Anniversary of the Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Poland

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 20 January 2025 | Viewed by 827

Special Issue Editors

Dr. Sławomir Kulesza

E-Mail Website1 Website2
Guest Editor
Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Olsztyn, Poland
Interests: nanostructured materials; thin film deposition; nanomaterials synthesis; material characteristics
Special Issues, Collections and Topics in MDPI journals
Dr. Mirosław J. Bramowicz

E-Mail Website
Guest Editor
Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Olsztyn, Poland
Interests: XRD; materials engineering; machining and treatment of metals and alloys

Special Issue Information

Dear Colleagues,

To celebrate the 55th Anniversary of the Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Poland, we are organising the Conference on Engineering Problems (https://wntjubileusz.uwm.edu.pl/) on that occasion, which will be held between 12 and 14 of June 2024 in Olsztyn. We invite scientists and experts in the field from Poland and abroad to present their recent results in the following fields: automatics, electronics, space technologies, materials engineering, mechanical engineering, environmental engineering, and others. Apart from plenary sessions, special poster sessions devoted to present the achievements of the early career researchers will be held as well.

Meanwhile, selected papers related to materials science and engineering will be included and published in the Special Issue “Advances in Materials Science and Engineering—in Celebration of 55th Anniversary of the Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Poland”. We would be grateful if you can join us and celebrate this special moment. Research articles, review papers and communications are welcomed as contributions.

Dr. Sławomir Kulesza
Dr. Mirosław J. Bramowicz
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. Materials 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 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

  • composites and nanocomposites
  • biomaterials
  • thin film and coatings
  • electronic materials and energy materials
  • porous materials
  • catalytic materials
  • construcation and building materials
  • green materials
  • soft matter
  • functional ceramics and glasses
  • materials with special properties and smart materials
  • advanced characterization of materials
  • new and innovative material processes
  • modeling of material processing
  • materials in additive manufacturing
  • process–properties relationships
  • metals and alloys

Published Papers (2 papers)

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Research

11 pages, 12125 KiB  
Article
Surprising Effects of Ti and Al2O3 Coatings on Tribocatalytic Degradation of Organic Dyes by GaN Nanoparticles
by Xi Xu, Chenyue Mao, Jiannan Song, Senhua Ke, Yongming Hu, Wanping Chen and Chunxu Pan
Materials 2024, 17(14), 3487; https://doi.org/10.3390/ma17143487 - 14 Jul 2024
Viewed by 252
Abstract
GaN is more stable than most metal oxide semiconductors for the photocatalytic degradation of organic pollutants in harsh conditions, while its catalytic efficiency has been difficult to be substantially improved. In this study, the tribocatalytic degradation of organic dyes by GaN nanoparticles has [...] Read more.
GaN is more stable than most metal oxide semiconductors for the photocatalytic degradation of organic pollutants in harsh conditions, while its catalytic efficiency has been difficult to be substantially improved. In this study, the tribocatalytic degradation of organic dyes by GaN nanoparticles has been investigated. Stimulated through magnetic stirring using homemade Teflon magnetic rotary disks in glass beakers, the GaN nanoparticles were found to induce negligible degradation in rhodamine B (RhB) and methyl orange (MO) solutions. Surprisingly, the degradation was greatly enhanced in beakers with Ti and Al2O3 coatings on their bottoms: 99.2% and 99.8% of the 20 mg/L RhB solutions were degraded in 3 h for the Ti and Al2O3 coatings, respectively, and 56% and 60.2% of the 20 mg/L MO solutions were degraded in 24 h for the Ti and Al2O3 coatings, respectively. Moreover, the MO molecules were only broken into smaller organic molecules for the Ti coating, while they were completely degraded for the Al2O3 coating. These findings are important for the catalytic degradation of organic pollutants by GaN in harsh environments and for achieving a better understanding of tribocatalysis as well. Full article
(This article belongs to the Special Issue Advances in Materials Science and Engineering—in Celebration of 55th Anniversary of the Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Poland)
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19 pages, 2701 KiB  
Article
Are Critical Fluctuations Responsible for Glass Formation?
by Szymon Starzonek, Joanna Łoś, Sylwester J. Rzoska, Aleksandra Drozd-Rzoska and Aleš Iglič
Materials 2024, 17(14), 3385; https://doi.org/10.3390/ma17143385 - 9 Jul 2024
Viewed by 340
Abstract
The dynamic heterogeneities occurring just before the transition to the glassy phase have been named as the cause of amorphization in supercooled systems. Numerous studies conducted so far have confirmed this hypothesis, and based on it, a widely accepted solution to the puzzle [...] Read more.
The dynamic heterogeneities occurring just before the transition to the glassy phase have been named as the cause of amorphization in supercooled systems. Numerous studies conducted so far have confirmed this hypothesis, and based on it, a widely accepted solution to the puzzle of glass transition has been developed. This report focuses on verifying the existence of a strong pretransitional anomaly near the glass transition Tg. For this purpose, supercooled liquid-crystalline systems with a strong rod-like structure were selected. Based on the obtained experimental data, we demonstrate in this article that the previously postulated dynamic heterogeneities exhibit a critical characteristic, meaning a strong pretransitional anomaly can be observed with the described critical exponent α=0.5. Due to this property, it can be concluded that these heterogeneities are critical fluctuations, and consequently, the transition to the glassy state can be described based on the theory of critical phenomena. To measure the pretransitional anomaly near Tg in supercooled liquid-crystalline systems, broadband dielectric spectroscopy (BDS) and nonlinear dielectric effect (NDE) methods were applied. The exponent α provides insight into the nature and intensity of critical fluctuations in the system. A value of α=0.5 suggests that the fluctuations become increasingly intense as the system approaches the critical point, contributing to the divergence in specific heat. Understanding the role of critical fluctuations in the glass transition is crucial for innovating and improving a wide range of materials for energy storage, materials design, biomedical applications, food preservation, and environmental sustainability. These advancements can lead to materials with superior properties, optimized manufacturing processes, and applications that meet the demands of modern technology and sustainability challenges. Full article
(This article belongs to the Special Issue Advances in Materials Science and Engineering—in Celebration of 55th Anniversary of the Faculty of Technical Sciences, Warmia and Mazury University in Olsztyn, Poland)
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