Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application

Topic Information

Dear Colleagues,

We are pleased to invite you to submit your work to this Topic on “Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application”. The scope of it includes the design, obtaining and characterization of (non)metallic materials, covering the most recent advances in industries with relevant practical applications.

In a world where global challenges and advances in technology bring both uncertainty and new possibilities, researchers have a critical role to play that helps enable new discoveries. The use of (non)metallic materials in various industries is important for the further development of materials for durable, lightweight and corrosion-resistant structural components.

This interdisciplinary Topic, “Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application”, has been put together to present the latest experimental and theoretical achievements in the field through a combination of original research papers as well as comprehensive reviews that address relevant state-of-the-art topics in the areas of the economy, medical applications, the environment, the decrease in minerals and energy, green industry, etc. The main interest of this Topic Issue reflects the improvement of the properties of these materials by design, testing and application.

In this Topic, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

• Advanced engineering cementitious composites.
• The obtaining/mechanical coating/alloying/treatment of all types of biomaterials used for medical applications: metallic, ceramics, polymers and composites.
• The modeling and simulation of advanced engineering cementitious composites.
• The characterization of sustainable concrete and alternative cementitious binders.
• The additive manufacturing of oxidic and ceramic materials.
• The life cycle assessment of waste-based materials.

Prof. Dr. Petricǎ Vizureanu
Dr. Andrei Victor Sandu
Dr. Madalina Simona Baltatu
Dr. Dumitru Doru Burduhos Nergis
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Applied Sciences applsci	2.7	4.5	2011	16.9 Days	CHF 2400
Coatings coatings	3.4	4.7	2011	13.8 Days	CHF 2600
Materials materials	3.4	5.2	2008	13.9 Days	CHF 2600
Metals metals	2.9	4.4	2011	15 Days	CHF 2600
Nanomaterials nanomaterials	5.3	7.4	2010	13.6 Days	CHF 2900

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Published Papers (4 papers)

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All Applied Sciences Coatings Materials Metals Nanomaterials

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18 pages, 4667 KiB  

Open AccessArticle

Stochastic Evaluation of Cutting Tool Load and Surface Quality during Milling of HPL

by Karel Frydrýšek, Ondřej Skoupý, Ivan Mrkvica, Aneta Slaninková, Jiří Kratochvíl, Tibor Jurga, Miroslav Vlk, Pavel Krpec, Roman Madeja, Miroslav Havlíček, Dana Stančeková, Jana Pometlová and Josef Hlinka

Appl. Sci. 2022, 12(24), 12523; https://doi.org/10.3390/app122412523 - 07 Dec 2022

Cited by 1 | Viewed by 1392

Abstract

The topic of the article concerns the mechanics of machining plastics and their machined surface. This article deals with measurements and their stochastic (probabilistic) evaluation of the force and moment loading of the machine tools and workpiece. It also deals with the quality [...] Read more.

The topic of the article concerns the mechanics of machining plastics and their machined surface. This article deals with measurements and their stochastic (probabilistic) evaluation of the force and moment loading of the machine tools and workpiece. It also deals with the quality of the machined surface in relation to its surface roughness and surface integrity. Measurements were made under different cutting conditions on a CNC milling machine using a newly designed cutter with straight teeth. The statistical evaluation is presented by bounded histograms and basic statistical characteristics that give a realistic idea of the machining process. The practical focus of the experiments is on the milling of HPL (high-pressure plastic–laminate composite material). The listed procedures can also be applied to other materials and machining methods, and can be used for numerical modelling, setting the optimum parameters of machining technology, or for the design of cutting tools. Numerical modelling and other solution options are also mentioned. We have not yet found detailed information in the literature about the milling of HPL material, and our results are therefore new and necessary. Full article

(This article belongs to the Topic Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application)

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17 pages, 23149 KiB  

Open AccessArticle

Investigations on the Band-Gap Characteristics of Variable Cross-Section Periodic Structure Support Made of Acrylonitrile-Butadiene-Styrene

by Jinguang Zhang, Xu Xia, Xianglong Wen, Meng Zang and Yukuan Dou

Materials 2022, 15(12), 4308; https://doi.org/10.3390/ma15124308 - 17 Jun 2022

Cited by 2 | Viewed by 1303

Abstract

Based on the band gap theory of periodic structure, this article proposes a new variable cross-section periodic structure support made of acrylonitrile-butadiene-styrene. The band gap characteristics of the periodic structure support were studied experimentally. According to the basic theory of band gap calculation, [...] Read more.

Based on the band gap theory of periodic structure, this article proposes a new variable cross-section periodic structure support made of acrylonitrile-butadiene-styrene. The band gap characteristics of the periodic structure support were studied experimentally. According to the basic theory of band gap calculation, two kinds of supports with the same installation size were designed, and they were manufactured by 3D printer. Then, the displacement–load curve and the vibration characteristic curves of the periodic structure support were obtained through simulation analysis. The band gap range of the two supports was measured by hammer excitation, and the accuracy of the finite element model was verified by comparison with the experiment results. Finally, the response curve of the periodic structure support with variable cross-section every 100 Hz was obtained by excitation of the shaker, which verified the vibration isolation effect of the measured band gap. The results show a band gap in the support of the variable cross-section periodic structure, compared with the support of the non-periodic structure. If the vibration frequency is within the band gap frequency, the vibration will be significantly attenuated. Full article

(This article belongs to the Topic Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application)

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11 pages, 14920 KiB  

Open AccessArticle

Lightweight Design of Shock-Absorbing and Load-Bearing Components Based on 3D Printing Technology

by Guoqing Zhang, Rongrui Feng, Junxin Li, Yongsheng Zhou, Xiaoyu Zhou and Anmin Wang

Coatings 2022, 12(6), 833; https://doi.org/10.3390/coatings12060833 - 15 Jun 2022

Viewed by 1852

Abstract

Nowadays, the redesign of new shock-absorbing load-bearing parts has gradually gained more and more focus due to the pressure of energy, environmental protection, and people’s pursuit of high-performance (light weight, excellent shock absorption, etc.) travel tools, and the development of 3D printing technology [...] Read more.

Nowadays, the redesign of new shock-absorbing load-bearing parts has gradually gained more and more focus due to the pressure of energy, environmental protection, and people’s pursuit of high-performance (light weight, excellent shock absorption, etc.) travel tools, and the development of 3D printing technology provides the possibility to design such high-performance parts. Therefore, firstly, the strength analysis of the parts is carried out by adopting Altar Inspire software, then topology optimization design is conducted in Inspire software and, finally, direct manufacturing is carried out using Aurora 3D printers. The results show that the maximum Mises equivalent stress of the shock-absorbing load-bearing components after lightweight design is not more than the material’s yield stress of 45 MPa and the safety factor (1.5) is greater than the minimum allowable safety factor (1.2); under such kind of premise, the quality is lightened by 63.82%. Moreover, since the structure of the parts becomes a bracket structure after the lightweight design, the shock absorption performance will be greatly improved. The 3D-printed parts have a series of advantages, namely bright surface, low roughness, no obvious warpage and other defects, and good molding effect, which lays solid the foundation for the mass production of high-performance shock-absorbing load-bearing parts. Full article

(This article belongs to the Topic Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application)

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15 pages, 4731 KiB  

Open AccessArticle

Study of the Interaction of Ti–Zn as a Mixed Oxide at Different pH Values Synthesized by the Sol–Gel Method and Its Antibacterial Properties

by Noé Rodríguez-Barajas, Luis Becerra-Solano, Yanet Karina Gutiérrez-Mercado, Monserrat Macías-Carballo, Claudia M. Gómez and Alejandro Pérez-Larios

Nanomaterials 2022, 12(12), 1948; https://doi.org/10.3390/nano12121948 - 07 Jun 2022

Cited by 6 | Viewed by 1989

Abstract

TiO₂, ZnO, and their combination (TiO₂–ZnO) at different molar ratios and pH values (Ti–Zn A and B 3:1, 1:1, and 1:3) via the sol–gel method were characterized by SEM, XRD, UV-Vis, and FT-IR. Moreover, antibacterial tests of the nanoparticles [...] Read more.

TiO₂, ZnO, and their combination (TiO₂–ZnO) at different molar ratios and pH values (Ti–Zn A and B 3:1, 1:1, and 1:3) via the sol–gel method were characterized by SEM, XRD, UV-Vis, and FT-IR. Moreover, antibacterial tests of the nanoparticles were conducted against Escherichia coli (E. coli), Salmonella paratyphi (S. paratyphi), Staphylococcus aureus (S. aureus), and Listeria monocytogenes (L. monocytogenes). The indirect bandgap of the Ti–Zn binary oxide synthesized in the basic process at molar ratios of 3:1, 1:1, and 1:3 exhibited a higher eV (3.31, 3.30, and 3.19 eV, respectively) compared to pure TiO₂ (3.2 eV) and synthesized in the acid process (3.22, 3.29, and 3.19 eV at same molar ratio, respectively); in addition, the results of the indirect bandgap were interesting due to a difference found by other authors. Moreover, the sol–gel method promoted the formation of a spherical, semi-sphere, and semi-hexagonal shape (TiO₂, Ti–Zn 1:1, and Ti–Zn 1:3) with a size ≤ 150 nm synthesized during the acid process, with a crystallite size of ~71, ~12, ~34, and ~21 nm, respectively, while ZnO NPs developed a hexagonal and large size (200–800 nm) under the same synthesis process (acid). Samples were classified as TiO₂ anatase phase (basic synthesis); however, the presented changes developed in the rutile phase (24% rutile phase) at an acid pH during the synthesis process. Moreover, Ti–Zn maintained the anatase phase even with a molar ratio of 1:3. The most interesting assessment was the antibacterial test; the Ti–Zn A (1:3) demonstrated a bacteriostatic effect compared with all treatments except ZnO, which showed a similar effect in dark conditions, and only Gram-positive bacteria were susceptible (Listeria monocytogenes > Staphylococcus aureus). Therefore, the Ti–Zn characteristic suggests that the results have potential in treating wastewater as well as in pharmaceutical (as drug carriers) and medical applications. Full article

(This article belongs to the Topic Cutting-Edge Research Trends in (Non)Metallic Materials: Design, Testing and Application)

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