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Study on Advanced Metal Matrix Composites (2nd Edition)
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Study on Advanced Metal Matrix Composites (2nd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 4387

Special Issue Editors

Prof. Dr. Wenshu Yang

E-Mail Website
Guest Editor
School of Materials Science and Technology, Harbin Institute of Technology, Harbin 150001, China
Interests: metal matrix composites; microstructure; interfacial design; mechanical properties; strengthening mechanism
Special Issues, Collections and Topics in MDPI journals
Dr. Chang Zhou

E-Mail Website
Guest Editor
State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, China
Interests: composites; interface; multi-scale design; functional ceramics; thermo-physical properties; numerical simulation; strengthening mechanism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Metal matrix composites are developed to meet the increasing demand for lightweight materials with superior mechanical properties in critical industrial sectors, such as automobile and aerospace. In the past decade, attributed to the mature design theories, advanced fabrication methods, and characterization techniques, the research and application of metal matrix composites have greatly advanced. The recent development in multi-scale hierarchical and bio-inspired design principles makes strong and tough metal matrix composites possible. The development of nano-materials and advanced ceramics provides more reinforcements with specific performance. The continuous progress in characterization techniques reveals the relationships among the microstructure, processing, and properties of the metal matrix composites, especially on a nano-scale level, and the sophisticated preparation methods of metal matrix composites bridge the fundamental theory and industrial application.

This Special Issue aims at covering recent progress and new developments in relationships between the microstructure and mechanical/thermo-physical properties of advanced metal matrix composites. All aspects related to the theoretical design, numerical simulation, microstructure characterization, advanced fabrication, and strengthening mechanisms are covered. Review articles which describe the current state of the art are also welcomed.

Prof. Dr. Wenshu Yang
Dr. Chang Zhou
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

  • metal matrix composites
  • multi-scale design
  • bio-inspired design
  • interface evolution
  • fabrication method
  • near-net forming techniques
  • mechanical properties
  • thermo-physical properties
  • numerical simulation/calculation
  • strengthening mechanism

Published Papers (6 papers)

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Research

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12 pages, 3233 KiB  
Article
First-Principles Investigation into the Interaction of H2O with α-CsPbI3 and the Intrinsic Defects within It
by Na Wang and Yaqiong Wu
Materials 2024, 17(5), 1091; https://doi.org/10.3390/ma17051091 - 27 Feb 2024
Cited by 1 | Viewed by 591
Abstract
CsPbI3 possesses three photoactive black phases (α, β, and γ) with perovskite structures and a non-photoactive yellow phase (δ) without a perovskite structure. Among these, α-CsPbI3 exhibits the best performance. However, it only exists at high temperatures and it tends to [...] Read more.
CsPbI3 possesses three photoactive black phases (α, β, and γ) with perovskite structures and a non-photoactive yellow phase (δ) without a perovskite structure. Among these, α-CsPbI3 exhibits the best performance. However, it only exists at high temperatures and it tends to transform into the δ phase at room temperature, especially in humid environments. Therefore, the phase stability of CsPbI3, especially in humid environments, is the main obstacle to its further development. In this study, we studied the interaction of H2O with α-CsPbI3 and the intrinsic defects within it. It was found that the adsorption energy in the bulk is higher than that on the surface (−1.26 eV in the bulk in comparison with −0.60 eV on the surface); thus, H2O is expected to have a tendency to diffuse into the bulk once it adsorbs on the surface. Moreover, the intrinsic vacancy of VPb0 in the bulk phase can greatly promote H2O insertion due to the rearrangement of two I atoms in the two PbI6 octahedrons nearest to VPb0 and the resultant breaking of the Pb–I bond, which could promote the phase transition of α-CsPbI3 in a humid environment. Moreover, H2O adsorption onto VI+1 contributes to a further distortion in the vicinity of VI+1, which is expected to enhance the effect of VI+1 on the phase transition of α-CsPbI3. Clarifying the interaction of H2O with α-CsPbI3 and the intrinsic defects within it may provide guidance for further improvements in the stability of α-CsPbI3, especially in humid environments. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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24 pages, 15221 KiB  
Article
Mechanical and Computational Fluid Dynamic Models for Magnesium-Based Implants
by Veronica Manescu (Paltanea), Gheorghe Paltanea, Aurora Antoniac, Lucian Gheorghe Gruionu, Alina Robu, Marius Vasilescu, Stefan Alexandru Laptoiu, Ana Iulia Bita, Georgiana Maria Popa, Andreea Liliana Cocosila, Vlad Silviu and Anca Porumb
Materials 2024, 17(4), 830; https://doi.org/10.3390/ma17040830 - 08 Feb 2024
Cited by 1 | Viewed by 631
Abstract
Today, mechanical properties and fluid flow dynamic analysis are considered to be two of the most important steps in implant design for bone tissue engineering. The mechanical behavior is characterized by Young’s modulus, which must have a value close to that of the [...] Read more.
Today, mechanical properties and fluid flow dynamic analysis are considered to be two of the most important steps in implant design for bone tissue engineering. The mechanical behavior is characterized by Young’s modulus, which must have a value close to that of the human bone, while from the fluid dynamics point of view, the implant permeability and wall shear stress are two parameters directly linked to cell growth, adhesion, and proliferation. In this study, we proposed two simple geometries with a three-dimensional pore network dedicated to a manufacturing route based on a titanium wire waving procedure used as an intermediary step for Mg-based implant fabrication. Implant deformation under different static loads, von Mises stresses, and safety factors were investigated using finite element analysis. The implant permeability was computed based on Darcy’s law following computational fluid dynamic simulations and, based on the pressure drop, was numerically estimated. It was concluded that both models exhibited a permeability close to the human trabecular bone and reduced wall shear stresses within the biological range. As a general finding, the proposed geometries could be useful in orthopedics for bone defect treatment based on numerical analyses because they mimic the trabecular bone properties. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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16 pages, 10842 KiB  
Article
Revealing the Influence of SiC Particle Size on the Hot Workability of SiCp/6013 Aluminum Matrix Composites
by Shuang Chen, Changlong Wu, Guowei Bo, Haiyang Liu, Jie Tang, Dingfa Fu, Jie Teng and Fulin Jiang
Materials 2023, 16(18), 6292; https://doi.org/10.3390/ma16186292 - 20 Sep 2023
Cited by 2 | Viewed by 615
Abstract
SiC particle (SiCp) size has been found to significantly influence the hot workability of particle-reinforced aluminum matrix composites (AMC). In this work, therefore, three types of SiCp/6013 composites with different SiCp sizes (0.7, 5 and 15 μm) were prepared and then subjected to [...] Read more.
SiC particle (SiCp) size has been found to significantly influence the hot workability of particle-reinforced aluminum matrix composites (AMC). In this work, therefore, three types of SiCp/6013 composites with different SiCp sizes (0.7, 5 and 15 μm) were prepared and then subjected to isothermal hot compression tests. In addition, constitutive analysis, processing maps and microstructural characterizations were used to reveal the influence of SiCp size on the hot workability of SiCp/6013 composite. The results showed that the values of hot deformation activation energy Q increased with decreasing SiCp size. Specifically, at lower temperatures (e.g., 350 and 400 °C), the highest peak stress was shown in the AMC with SiCp size of 0.7 μm (AMC-0.7), while in the AMC with SiCp size of 5 μm (AMC-5) at higher temperatures (e.g., 450 and 500 °C). This is because a finer SiCp size would lead to stronger dislocation pinning and grain refinement strengthening effects, and such effects would be weakened at higher temperatures. Further, dynamic softening mechanisms were found to transform from dynamic recovery to dynamic recrystallization with increasing SiCp size, and the dynamic recrystallization occurred more easily at higher temperatures and lower strain rates. Consequently, the instability zones of the composites are all mainly located in the deformation region with lower temperature and higher strain rate, and smaller SiCp results in larger instability zones. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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16 pages, 5300 KiB  
Article
Effects on the Microstructure Evolution and Properties of Graphene/Copper Composite during Rolling Process
by Ziyue Yang, Fan Deng, Zhang Tao, Shuai Yan, Heng Ma, Miao Qian, Wei He, Zhifeng Zhang, Yanqiang Liu and Lidong Wang
Materials 2023, 16(16), 5534; https://doi.org/10.3390/ma16165534 - 09 Aug 2023
Viewed by 893
Abstract
Rolling treatments have been identified as a promising fabrication and deformation processing technique for graphene/metal composites with high performance. However, it is still a challenge to choose appropriate rolling parameters to achieve high strength, ductility and electrical conductivity of the composite simultaneously. In [...] Read more.
Rolling treatments have been identified as a promising fabrication and deformation processing technique for graphene/metal composites with high performance. However, it is still a challenge to choose appropriate rolling parameters to achieve high strength, ductility and electrical conductivity of the composite simultaneously. In this study, graphene/Cu composites were prepared with an in situ growth method and rolling treatment. The effects of rolling deformation and temperature on the microstructural evolution of graphene and Cu grains, interface bonding between graphene and the matrix, mechanical and electrical properties were systemically investigated. The cold-rolled composite with 85% deformation displayed a maximum ultimate strength of 548 MPa, a high elongation of 8.8% and a good electrical conductivity of 86.2% IACS. This is attributed to oriented graphene arrangement and matrix grain refinement. Our research provides a comprehensive understanding for the rolling behavior of graphene/Cu composites, and can promote the development of graphene-based composites with high performance. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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12 pages, 3897 KiB  
Article
Study on the Preparation of Network Ti-N/Ti Composites by Nitridation of Ti Powders
by Ziyang Xiu, Boyu Ju, Junhai Zhan, Weidi Chen, Aiping Yin, Xiaolin Zhu, Pengjun Wang, Ping Wu and Wenshu Yang
Materials 2023, 16(15), 5259; https://doi.org/10.3390/ma16155259 - 26 Jul 2023
Viewed by 730
Abstract
Composite structure design is an important way to improve reinforcement strengthening efficiency. The dispersion of the external reinforcement is often not uniform enough, however, and it is agglomerated in the matrix, which cannot uniformly and effectively bear the load. The interconnected reinforcement network [...] Read more.
Composite structure design is an important way to improve reinforcement strengthening efficiency. The dispersion of the external reinforcement is often not uniform enough, however, and it is agglomerated in the matrix, which cannot uniformly and effectively bear the load. The interconnected reinforcement network prepared by the in-situ self-growth method is expected to obtain higher material properties. In this paper, the TiN shell was formed on the surface of Ti powder by the in-situ nitriding method, and then the network TiN/Ti composites were prepared by sintering. In the control group, TiN was dispersed by mechanical ball milling, and it was found that TiN powder was coated on the surface of Ti particles, and the sintered TiN/Ti composites formed a discontinuous structure with a great deal of TiN agglomeration. A uniform TiN nitride layer of 5~7 μm was formed on the surface of Ti powder by the in-situ nitriding method, and a connected TiN network was formed in the sintered Ti-N/Ti composites. The composites prepared by nitriding have higher compressive strength, hardness, and plasticity. The hardness of the Ti-N/Ti composite is 685.7 HV and the compressive strength is 1468.5 MPa. On this basis, the influence of the connected TiN structure on the material properties was analyzed, which provided theoretical guidance for the structural design of the network structure-reinforced titanium matrix composites. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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Review

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33 pages, 7766 KiB  
Review
A Review of Dynamic Mechanical Behavior and the Constitutive Models of Aluminum Matrix Composites
by Siyun Li, Tian Luo, Zhenlong Chao, Longtao Jiang, Huimin Han, Bingzhuo Han, Shanqi Du and Mingqi Liu
Materials 2024, 17(8), 1879; https://doi.org/10.3390/ma17081879 - 18 Apr 2024
Viewed by 579
Abstract
Aluminum matrix composites (AMMCs) have demonstrated substantial potential in the realm of armor protection due to their favorable properties, including low density, high specific stiffness, and high specific strength. These composites are widely employed as structural components and frequently encounter high strain rate [...] Read more.
Aluminum matrix composites (AMMCs) have demonstrated substantial potential in the realm of armor protection due to their favorable properties, including low density, high specific stiffness, and high specific strength. These composites are widely employed as structural components and frequently encounter high strain rate loading conditions, including explosions and penetrations during service. And it is crucial to note that under dynamic conditions, these composites exhibit distinct mechanical properties and failure mechanisms compared to static conditions. Therefore, a thorough investigation into the dynamic mechanical behavior of aluminum matrix composites and precise constitutive equations are imperative to advance their application in armor protection. This review aims to explore the mechanical properties, strengthening the mechanism and deformation damage mechanism of AMMCs under high strain rate. To facilitate a comprehensive understanding, various constitutive equations are explored, including phenomenological constitutive equations, those with physical significance, and those based on artificial neural networks. This article provides a critical review of the reported work in this field, aiming to analyze the main challenges and future development directions of aluminum matrix composites in the field of protection. Full article
(This article belongs to the Special Issue Study on Advanced Metal Matrix Composites (2nd Edition))
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