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Metal Matrix Composites
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Metal Matrix Composites

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

Deadline for manuscript submissions: closed (10 January 2022) | Viewed by 7006

Special Issue Editors

Dr. Alexey S. Prosviryakov

E-Mail Website
Guest Editor
Department of Physical Metallurgy of Non-Ferrous Metals, National University of Science and Technology “MISiS”, Moscow, Russia
Interests: metal matrix composites; mechanical alloying; materials testing; material characterization; mechanical properties; materials; microstructure; metals; advanced materials; materials processing; material characteristics
Special Issues, Collections and Topics in MDPI journals
Dr. Alexey N. Solonin

E-Mail Website1 Website2 Website3
Guest Editor
Department of Physical Metallurgy of Non-Ferrous Metals, National University of Science & Technology (MISIS), Moscow, Russia
Interests: material characterization; materials mechanical properties; microstructure materials processing; advanced materials; heat treatment; metallurgical engineering; 3D printing; additive manufacturing; materials technology; powders alloys science education; recrystallisation powder technology; aluminum alloys; phase transformations; metal matrix composites; bulk metallic glasses; metal goams
Special Issues, Collections and Topics in MDPI journals
Dr. Kotov Anton

E-Mail Website
Guest Editor
Department of Physical Metallurgy of Non-Ferrous Metals, National University of Science and Technology “MISiS”, Moscow, Russia
Interests: metal science; non-ferrous alloys; metal forming; superplastic deformation; microstructure; heat treatment; mechanical properties; mechanical behavior of materials; mechanical testing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Metal matrix composites have a unique combination of properties, characteristic of both the metal base and alloying additives, unattainable for traditional alloys. The purpose of this Special Issue is to develop research in the field of creating new effective metal-based composites (based on copper, aluminum, titanium, etc.), containing discontinuous reinforcements (for example, particles, whiskers, short fibers) that can be added (ex situ) or formed in a matrix (in situ). Metallic and non-metallic additives can be used both for strengthening and for imparting new properties. Preparation methods include powder metallurgy, mechanical alloying, stir casting, laser sintering, and many others that allow the production of bulk materials and many others that allow the production of bulk materials and coatings.

The articles should be devoted to actual new knowledge in the characterization of metal matrix composites, studies of their microstructure, their physical and mechanical properties depending on their composition and technological parameters, the relationship between microstructure and properties, innovative manufacturing techniques, and the search for new areas of application.

Dr. Alexey S. Prosviryakov
Dr. Alexey N. Solonin
Dr. Kotov Anton
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.

Keywords

  • Abrasion
  • Coating
  • Additive manufacturing
  • Advanced materials
  • Alloy
  • Aluminum
  • Aluminum alloy
  • Aluminum oxide
  • Boron carbide
  • Casting
  • Coefficient of friction
  • Composite
  • Copper
  • Deformation
  • Dispersion strengthening
  • Extrusion
  • Fabrication
  • Fatigue
  • Forging
  • Fracture
  • Fracture toughness
  • Friction
  • Graphite
  • Hardness
  • Heat treatment
  • Hot pressing
  • Hybrid composite
  • In situ
  • Iron
  • Low cycle fatigue
  • Magnesium
  • Material characterization
  • Materials
  • Materials processing
  • Materials testing
  • Mechanical alloying
  • Mechanical behavior
  • Mechanical properties
  • Metal Matrix composite
  • Metals
  • Microstructure
  • Nanocomposite
  • Nanocrystalline structure
  • Nanostructure
  • Nickel
  • Particle size
  • Particle reinforced composite
  • Particle reinforcement
  • Powder metallurgy
  • Reinforcement
  • Silicon carbide
  • Silicon nitride
  • Sintering
  • Squeeze casting
  • Stir casting
  • Strengthening
  • Stress fracture
  • Tensile property
  • Titania carbide
  • Titanium
  • Tribology
  • Volume fraction
  • Wear resistance

Published Papers (3 papers)

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Research

13 pages, 4794 KiB  
Article
Plane Machining by Inner-Jet Electrochemical Milling of TiB2/7050 Aluminum Matrix Composite
by Binsen He, Hansong Li, Xin Ma, Jie Li and Shukai Fan
Appl. Sci. 2021, 11(17), 8087; https://doi.org/10.3390/app11178087 - 31 Aug 2021
Cited by 8 | Viewed by 1654
Abstract
Electrochemical milling (ECM) is an ideal technique for machining thin-walled structural parts of aluminum matrix composites. Adopting a reasonable tool cathode structure, feed rate, and processing method can improve the machining efficiency. In this study, a tool cathode with a reasonable structure was [...] Read more.
Electrochemical milling (ECM) is an ideal technique for machining thin-walled structural parts of aluminum matrix composites. Adopting a reasonable tool cathode structure, feed rate, and processing method can improve the machining efficiency. In this study, a tool cathode with a reasonable structure was selected through flow field simulation. Then, the material removal rate (MRR) and surface roughness were studied using various ECM parameters. Finally, the transverse movement and processing method in which the starting position was rotated 90° were studied, and a plane of 59 × 59 mm was machined. The experimental results show that using an appropriate tool cathode can create a more uniform flow field. The MRR was 168.6 mm3/min and the surface roughness (Ra) was 3.329 µm at a feed rate of 30 mm/min. For machining larger plane structures, a transverse movement of 7 mm is verified to be the most suitable because of the best smoothness in the middle of the two processes. By using the same machining method and rotating the starting position 90°, the flatness of the processing plane decreased from 0.296 mm to 0.251 mm, a reduction of 15.2% compared to that obtained in the first processing. Full article
(This article belongs to the Special Issue Metal Matrix Composites)
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9 pages, 5492 KiB  
Article
Several Aspects of Application of Nanodiamonds as Reinforcements for Metal Matrix Composites
by Vladimir Popov
Appl. Sci. 2021, 11(10), 4695; https://doi.org/10.3390/app11104695 - 20 May 2021
Cited by 10 | Viewed by 2140
Abstract
After detonation synthesis, primary nanodiamond particles are around 4–6 nm in size. However, they join into agglomerates with larger parameters and weak bonds between particles. The introduction of agglomerates into a metal matrix can lead to the weakness of composites. This paper demonstrates [...] Read more.
After detonation synthesis, primary nanodiamond particles are around 4–6 nm in size. However, they join into agglomerates with larger parameters and weak bonds between particles. The introduction of agglomerates into a metal matrix can lead to the weakness of composites. This paper demonstrates the possibility of obtaining a non-agglomerated distribution of nanodiamonds inside a metal matrix. The fabrication method was based on mechanical alloying to create additional stresses and deformations by phase transformations during treatment in a planetary mill. According to the findings, the starting temperature of the reaction between the non-agglomerated nanodiamonds and aluminium matrix reduces to 450 °C. Furthermore, the paper shows that existing methods (annealing for the transformation of a diamond structure into graphitic material and cleaning from this graphitic material) cannot reduce the sizes of nanodiamonds in the agglomerated state. Agglomerated nanodiamonds transform into carbon onions (graphitic material) during annealing in a vacuum in the following way: the nanodiamonds located in the surface layers of the agglomerate are the first to undergo the complete transformation followed by the transformation of nanoparticles in its deeper layers. In the intermediate state, the agglomerate has a graphitic surface layer and a core from nanodiamonds: cleaning from graphite cannot reduce nanodiamond particle size. Full article
(This article belongs to the Special Issue Metal Matrix Composites)
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21 pages, 3276 KiB  
Article
Critical Comparison of Spherical Microindentation, Small Punch Test, and Uniaxial Tensile Testing for Selective Laser Melted Inconel 718
by Zachary S. Courtright, Nicolas P. Leclerc, Hyung Nun Kim and Surya R. Kalidindi
Appl. Sci. 2021, 11(3), 1061; https://doi.org/10.3390/app11031061 - 25 Jan 2021
Cited by 7 | Viewed by 2458
Abstract
Standardized mechanical tests have become one of the central bottlenecks in the efficient and cost-effective exploration of the process space in advanced manufacturing processes such as additive manufacturing (AM). This paper presents a critical comparison of the relative advantages and disadvantages between emergent [...] Read more.
Standardized mechanical tests have become one of the central bottlenecks in the efficient and cost-effective exploration of the process space in advanced manufacturing processes such as additive manufacturing (AM). This paper presents a critical comparison of the relative advantages and disadvantages between emergent high-throughput mechanical test protocols, specifically, spherical microindentation and small punch test, and standardized tension tests. The critical comparison considers the effectiveness and viability of the testing protocols to rapidly screen stress-strain data and mechanical properties of candidate AM-processed metal specimens. These comparisons were performed on samples of Inconel 718 produced by selective laser melting (SLM). Modulus, yield strength, and ultimate tensile strength were evaluated, and the combination of high-throughput mechanical test protocols displayed results consistent with standard tension tests. This study shows that high-throughput mechanical test protocols can successfully produce reliable stress-strain data using significantly smaller material volume and reduced labor compared to the standardized tension tests. Full article
(This article belongs to the Special Issue Metal Matrix Composites)
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