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Nanocomposite High Performance Alloys

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: 20 August 2025 | Viewed by 801

Special Issue Editors


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Guest Editor
Department of Materials Processing Engineering, Jilin University, Changchun, China
Interests: alloy strengthening; metal-matrix composites; nanoparticle reinforcement
Special Issues, Collections and Topics in MDPI journals
Key Laboratory of Automobile Materials, School of Materials Science and Engineering, Jilin University, Changchun 130025, China
Interests: welding; microstructures; additive manufacturing; welded joints; droplet transfer
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

High-performance alloys provide both high performance and metallic characteristics, and they are synthesized using two or more kinds of metals, or a metal or nonmetal, e.g., Al, Ti, Fe, NiAl, NiTi, and TiAl. These nanocomposites are materials based on high-performance alloys that are reinforced with a dispersed nanophase. The dispersed phase refers to inorganic or organic compounds. The inorganic compounds are usually ceramics, metals, etc., and the organic compounds are usually organic polymer materials. Because of their designability, high-performance alloys and their nanocomposites have desirable properties, such as high modulus, high strength, and good toughness. Hence, high-performance alloys and their nanocomposites have been developed into new types of material, which have been widely applied in many fields, such as the military, aerospace, and automotive fields.

Thus, we welcome studies about the fabrication, characterization, and testing of high-performance alloys and metal-matrix composites reinforced with different nanophases (e.g., fibers, particles, or whiskers) to be submitted for publication in this Special Issue. Furthermore, studies on the manufacturing process of high-performance alloys and nanocomposites and analyses of their strengthening mechanism will also be considered. We expect this Special Issue to offer guidance on the fabrication, investigation, and application of high-performance alloys and their nanocomposites.

It is my pleasure to invite you to submit manuscripts to this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Hongyu Yang
Dr. Chao Chen
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

  • high-performance alloys
  • nanocomposites
  • mechanical properties
  • strengthening mechanism
  • microstructure characterization
  • nanoparticle reinforcement
  • fiber reinforcement

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Published Papers (1 paper)

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Research

22 pages, 12982 KiB  
Article
Effect of Hydrothermal Coatings of Magnesium AZ31 Alloy on Osteogenic Differentiation of hMSCs: From Gene to Protein Analysis
by Viviana Costa, Lavinia Raimondi, Simone Dario Scilabra, Margot Lo Pinto, Daniele Bellavia, Angela De Luca, Pasquale Guglielmi, Angela Cusanno, Luca Cattini, Lia Pulsatelli, Matteo Pavarini, Roberto Chiesa and Gianluca Giavaresi
Materials 2025, 18(6), 1254; https://doi.org/10.3390/ma18061254 - 12 Mar 2025
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Abstract
An Mg-based alloy device manufactured via a superplastic forming process (Mg-AZ31+SPF) and coated using a hydrothermal method (Mg AZ31+SPF+HT) was investigated as a method to increase mechanical and osteointegration capability. The cell viability and osteointegrative properties of alloy-derived Mg AZ31+SPF and Mg AZ31+SPF+HT [...] Read more.
An Mg-based alloy device manufactured via a superplastic forming process (Mg-AZ31+SPF) and coated using a hydrothermal method (Mg AZ31+SPF+HT) was investigated as a method to increase mechanical and osteointegration capability. The cell viability and osteointegrative properties of alloy-derived Mg AZ31+SPF and Mg AZ31+SPF+HT extracts were investigated regarding their effect on human mesenchymal stem cells (hMSCs) (maintained in basal (BM) and osteogenic medium (OM)) after 7 and 14 days of treatment. The viability was analyzed through metabolic activity and double-strand DNA quantification, while the osteoinductive effects were evaluated through qRT-PCR, osteoimage, and BioPlex investigations. Finally, a preliminary liquid mass spectrometry analysis was conducted on the secretome of hMSCs. Biocompatibility analysis revealed no toxic effect on cells’ viability or proliferation during the experimental period. A modulation effect was observed on the osteoblast pre-commitment genes of hMSCs treated with Mg-AZ31+SPF+HT in OM, which was supported by mineralization nodule analysis. A preliminary mass spectrometry investigation highlighted the modulation of protein clusters involved in extracellular exosomes, Hippo, and the lipid metabolism process. In conclusion, our results revealed that the Mg AZ31+SPF+HT extracts can modulate the canonical and non-canonical osteogenic process in vitro, suggesting their possible application in bone tissue engineering. Full article
(This article belongs to the Special Issue Nanocomposite High Performance Alloys)
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