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Nanomaterials
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Modern Nanomaterials: Structure, Properties and Applications
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Modern Nanomaterials: Structure, Properties and Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 3985

Special Issue Editors

Prof. Dr. Marcin Nabialek

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Guest Editor
Department of Physics, Faculty of Production Engineering and Materials Technology, Częstochowa University of Technology, Czestochowa, Poland
Interests: amorphous materials; nanoscience; properties; magnetism; titanium alloys; biomaterials; polymers; geopolymers; composities; method of production supercooled materials; foundry engineering; new technology; nanomaterials; annealing methods and generally materials science; physics; chemical engineering; engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Joanna Gondro

E-Mail Website
Guest Editor
Department of Physics, Faculty of Production Engineering and Materials Technology; Częstochowa University of Technology, Czestochowa, Poland
Interests: amorphous materials; nanoscience; properties; magnetism; titanium alloys; composites; method of production supercooled materials; new technology; nanomaterials; annealing methods

Special Issue Information

Dear Colleagues,

Technological development is associated with the consumption of vast amounts of energy. Increases in environmental pollution and the greenhouse effect are driving the search for improvements (and savings) in the field of materials engineering. Therefore, modern construction and functional materials must feature increasingly improved mechanical and performance parameters. The development of these materials relies on the search for new, as well as the improvement of existing, production and material processing methods for alloys and composites.

Both amorphous alloys, nanocrystalline materials and composites require continuous improvements. Their processing methods are constantly being improved. In practice, the mechanical and magnetic properties of the materials can be controlled by their thermal treatment and even method production. Both methods can lead to structural relaxation, which influences the specific properties of these materials.

Nanomaterials make up an important target in the development of construction and functional materials. It is well known that nanomaterials should exhibit better properties than their individual constituents. Nanomaterials find wide applications in many areas of technology; for example, the medicine, sports and electronics industries.

This Special Issue of “Modern Nanomaterials: Structure, Properties and Applications” concerns all aspects related to the  properties and methods of the production of those materials. We welcome articles related to this field. It is my pleasure to invite the submission of manuscripts for this Special Issue.

Prof. Marcin Nabialek
Dr. Joanna Gondro
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. Nanomaterials 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 2900 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

  • mechanical properties
  • amorphous alloys
  • nanocrystalline alloys
  • magnetic properties
  • composites
  • new technology
  • unique properties
  • special properties
  • hardness
  • annealing process
  • improvement of properties
  • nanomaterials
  • structure

Published Papers (2 papers)

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Research

13 pages, 11355 KiB  
Article
WC-High Entropy Alloy Reinforced Long Life Self-Grinding Silage Knife Prepared by Laser Cladding
by Lingfeng Xu, Mingxiang Li, Zhanhua Song, Fade Li, Jing Guo and Ming Gao
Nanomaterials 2022, 12(6), 1013; https://doi.org/10.3390/nano12061013 - 19 Mar 2022
Cited by 6 | Viewed by 2139
Abstract
The working environment of agricultural knives is bad, which makes the knives wear out easily. A wear resistant layer of AlCoCrFeNi high entropy alloy (HEA) reinforced by tungsten carbide (WC) was prepared by laser cladding on one side of the cutting edge of [...] Read more.
The working environment of agricultural knives is bad, which makes the knives wear out easily. A wear resistant layer of AlCoCrFeNi high entropy alloy (HEA) reinforced by tungsten carbide (WC) was prepared by laser cladding on one side of the cutting edge of a 65 Mn silage knife. Both the effects of WC addition on the microstructure and mechanical properties of AlCoCrFeNi (WC)x (x = 0, 0.1, 0.2 and 0.3 in mass percentage) alloys were investigated. All experimental alloys displayed a crystalline structure of simple body centered cubic (BCC). The hardness of the cladding layer increases with the increase of WC content, and the hardness value enhances from 740 HV0.2 to 1060 HV0.2. A self-grinding edge was formed during working for the cladded knives. The cutting quality can be improved and the service life of agricultural knives can be increased meanwhile. The weight loss rate of untreated knives was about 2.64 times that of the cladded knives after a 76 h field experiment. Full article
(This article belongs to the Special Issue Modern Nanomaterials: Structure, Properties and Applications)
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13 pages, 22831 KiB  
Article
Synthesis and Characterization of Zinc and Vanadium Co-Substituted CoFe2O4 Nanoparticles Synthesized by Using the Sol-Gel Auto-Combustion Method
by Parvin Imanipour, Saeed Hasani, Amir Seifoddini and Marcin Nabiałek
Nanomaterials 2022, 12(5), 752; https://doi.org/10.3390/nano12050752 - 23 Feb 2022
Cited by 15 | Viewed by 2170
Abstract
In recent years, cobalt ferrite has attracted considerable attention due to its unique physical properties. The present study aimed to produce cobalt ferrite magnetic nanoparticles doped with zinc and vanadium using the sol-gel auto-combustion method. For this purpose, Co1−xZnxFe [...] Read more.
In recent years, cobalt ferrite has attracted considerable attention due to its unique physical properties. The present study aimed to produce cobalt ferrite magnetic nanoparticles doped with zinc and vanadium using the sol-gel auto-combustion method. For this purpose, Co1−xZnxFe2−yVyO4 (where x = 0.0, 0.1, 0.2, 0.5 and y = 0.00, 0.05, 0.15, 0.25) precursors were calcined at 800 °C for 3 h. The prepared samples were characterized with the X-ray diffraction (XRD) method in combination with Rietveld structure refinement, field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FT-IR), and vibrating sample magnetometery (VSM). The XRD patterns confirmed the formation of crystalline spinel structure for all samples. However, the diffraction peaks of hematite and iron vanadium oxide phases were observed in the patterns of some doped samples. The average crystallite size for all the synthesized samples was found to be in the range of ~45–24 nm, implying that it decreased by simultaneously doping cobalt ferrite with Zn and V. The FT-IR spectrum confirmed the formation of the spinal structure of ferrite through the observed vibrational bands assigned to the tetrahedral (υ2) and octahedral (υ1) interstitial complexes in the spinel structure. The FE-SEM images showed that morphology, average grain size, and agglomeration of the synthesized powders were affected by doping, which was due to the interactions of the magnetic surface of nanoparticles. The VSM curves demonstrated that saturation magnetization and coercivity values changed in the range of 30–83 emu/g and from 27–913 Oe, respectively. These changes occurred due to the alteration in cation distribution in the spinel structure. This can be attributed to the change in superexchange interactions between magnetic ions by co-substitution of Zn and V ions in Cobalt ferrite and the changes in magnetocrystalline anisotropy. Full article
(This article belongs to the Special Issue Modern Nanomaterials: Structure, Properties and Applications)
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