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Processes
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Composite Materials Processing, Modeling and Simulation
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Composite Materials Processing, Modeling and Simulation

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Materials Processes".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 8019

Special Issue Editors

Prof. Dr. Chin-Hyung Lee

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, Daelim University College, 29, Imgok-ro, Dongan-ku, Anyang-si 13916, Gyeonggi-do, Republic of Korea
Interests: materials processing; modeling and simulation; numerical analysis; welding, mechanical behavior; metallic materials; advanced composite materials
Dr. Rahisham Abd Rahman

E-Mail Website
Guest Editor
Associate Professor, Faculty of Electric and Electronic Engineering, University Tun Hussein Onn Malaysia (UTHM), Parit Raja 84600, Johor, Malaysia
Interests: enhanced dielectric material; nano-composite; grounding compound; outdoor insulator; simulation & modelling

Special Issue Information

Dear Colleagues,

Laminated composites, comprising stacks of laminae with different material compositions, have been increasingly used in aircrafts, aerospace vehicles, nuclear reactors, offshore and marine structures, and smart structures due to their exceptional material properties: high stiffness and strength with low weight, excellent sound and thermal insulation, good wear resistance, and high energy absorption capability. The emergence of laminated composites allows designers to choose the best materials and their composition for specific applications. However, mismatches in mechanical properties between two discrete materials at the interfaces can cause high interlaminar stresses, leading to debonding or delamination. These adverse effects can be surmounted by the use of advanced composites such as functionally graded materials (FGMs) in which the material properties vary gradually and continuously from one surface to the other without any material interface. FGMs are microscopically heterogeneous composites and typically composed of two distinct microstructural phases, such as ceramic and metal. The unique features have elicited the application of FGMs in a variety of engineering fields and have expedited the incorporation of FGMs into sandwich structures. Moreover, the concept of FGMs has stimulated the advent of functionally graded carbon nanotube-reinforced composites (FG-CNTRCs) and functionally graded graphene platelet-reinforced composites (FG-GPLRCs). For the practical applications of these novel materials to structures, an in-depth understanding of the processes involved in manufacturing and design should be established, which requires complex modeling and simulation techniques that are often multi-scale and encompass multi-physics.

This Special Issue intends to solicit the most promising and recent developments in process modeling and simulation in both fabrication and design phases of advanced composite materials.

Prof. Dr. Chin-Hyung Lee
Dr. Rahisham Abd Rahman
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. Processes is an international peer-reviewed open access monthly 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

  • functionally graded materials (FGMs)
  • functionally graded carbon-nanotube-reinforced composites (FG-CNTRCs)
  • functionally graded graphene-platelet-reinforced composites (FG-GPLRCs)
  • modeling
  • simulation
  • manufacturing process
  • design process

Published Papers (3 papers)

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Research

19 pages, 7897 KiB  
Article
Comparisons of the Performance of Novel Lightweight Three-Dimensional Hybrid Composites against GLARE Fiber–Metal Laminate
by Ke Wang and Farid Taheri
Processes 2023, 11(10), 2875; https://doi.org/10.3390/pr11102875 - 29 Sep 2023
Viewed by 766
Abstract
The objective of the work presented in this paper is to overcome several major shortcomings of the recently introduced 3D composites (3DCs) and their fiber–metal-laminate renditions (3DFMLs). A new class of lightweight, stiff, and resilient three-dimensional hybrid composites (3DHCs) is introduced in this [...] Read more.
The objective of the work presented in this paper is to overcome several major shortcomings of the recently introduced 3D composites (3DCs) and their fiber–metal-laminate renditions (3DFMLs). A new class of lightweight, stiff, and resilient three-dimensional hybrid composites (3DHCs) is introduced in this study, referred to as “inserts enhanced 3D hybrid composites” (IE3DHCs). The performances of all configurations were characterised by conducting three-point flexural tests using a span-to-thickness ratio of 32:1. The flexural performance of 3DFMLs with different core thicknesses was first compared using GLARE-3/2-0.4 as a baseline, revealing the superior performance of 3DFMLs; the optimal performance was exhibited by 3DFML with a 3 mm 3DC core. However, the lower ductility of 3DFMLs, as well as their poorly controlled and time-consuming fabrication process were recognized. The newly developed materials (IE3DHCs) had a comparatively simpler fabrication processes with significantly higher quality control. More importantly, IE3DHCs exhibited an approximately 160% improvement in ductility and as much as a 250% improved design strength compared to 3DFMLs. These findings showcase the promising potential of IE3DHCs for future research and real-world applications. Additionally, robust finite element models were developed to simulate flexural tests and optimize future renditions of the IE3DHCs. Full article
(This article belongs to the Special Issue Composite Materials Processing, Modeling and Simulation)
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13 pages, 3197 KiB  
Article
Thermal-Mechanical Analysis of a Metro Station’s Concrete Structure
by Zongyuan Ma, Wei Li, Zhaoyu Li, Xuefei Ruan and Kai Jiao
Processes 2023, 11(4), 1124; https://doi.org/10.3390/pr11041124 - 05 Apr 2023
Viewed by 1514
Abstract
The problem of temperature variation in mass concrete construction is a crucial problem in civil engineering. The problems of the temperature field, damaged areas, and the cracking of the structure during the construction process of concrete pouring are analyzed in this paper. An [...] Read more.
The problem of temperature variation in mass concrete construction is a crucial problem in civil engineering. The problems of the temperature field, damaged areas, and the cracking of the structure during the construction process of concrete pouring are analyzed in this paper. An elastic and damaged constitutive model for concrete and a fully coupled analysis method for analyzing the temperature-stress field was proposed to simulate and predict the construction process of a concrete structure in a metro station. The influence of different concrete compositions and material properties was not taken into account in this study. The results show that the temperature-stress complete coupling analysis method can be applied to the calculation and analysis of cracking in a concrete structure that is caused by internal temperature variations during the pouring process of complex concrete structures. An efficient method and research approach is proposed by this study to analyze the damage and cracking issues caused by temperature changes during the pouring process of concrete structures in metro stations. The area and extent of the damage and cracking during the construction can be predicted and evaluated, and a reference for metro station construction and operation is proposed. Full article
(This article belongs to the Special Issue Composite Materials Processing, Modeling and Simulation)
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14 pages, 6527 KiB  
Article
Fabrication of Ni−MOF−74@PA−PEI for Radon Removal under Ambient Conditions
by Xi Liu, Yuan Sun, Chunlai Wang, Li Lv and Yun Liang
Processes 2023, 11(4), 1069; https://doi.org/10.3390/pr11041069 - 02 Apr 2023
Viewed by 5234
Abstract
Radon is one of the 19 carcinogenic substances identified by the World Health Organization, posing a significant threat to human health and the environment. Properly removing radon under ambient conditions remains challenging. Compared with traditional radon−adsorbent materials such as activated carbon and zeolite, [...] Read more.
Radon is one of the 19 carcinogenic substances identified by the World Health Organization, posing a significant threat to human health and the environment. Properly removing radon under ambient conditions remains challenging. Compared with traditional radon−adsorbent materials such as activated carbon and zeolite, metal–organic framework (MOF) materials provide a high specific surface area, rich structure, and designability. However, MOF material powders demonstrate complications regarding practical use, such as easy accumulation, deactivation, and difficult recovery. Ni−MOF−74 was in situ grown on a porous polyacrylic acid (PA) spherical substrate via stepwise negative pressure impregnation. Ni−MOF−74 was structured as one−dimensional rod−shaped crystals (200–300 nm) in large−pore PA microspheres, whose porous structure increased the diffusion of radon gas. The radon adsorption coefficient of a Ni−MOF−74@PA−polyethyleneimine composite material was 0.49 L/g (293 K, relative humidity of 20%, air carrier). In comparison with pristine Ni−MOF−74 powder, our composite material exhibited enhanced adsorption and longer penetration time. The radon adsorption coefficient of the composite material was found to be from one to two orders of magnitude higher than that of zeolite and silica gel. The proposed material can be used for radon adsorption while overcoming the formation problem of MOF powders. Our preparation approach can provide a reference for the composite process of MOFs and polymers. Full article
(This article belongs to the Special Issue Composite Materials Processing, Modeling and Simulation)
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