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Mechanical Behavior of Advanced Engineering Materials (2nd Edition)
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Mechanical Behavior of Advanced Engineering Materials (2nd Edition)

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 4889

Special Issue Editors

Prof. Dr. Zhubin He

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: constitutive modelling; materials characterization; new forming technology; light-weight manufacturing; hot fluid forming
Special Issues, Collections and Topics in MDPI journals
Dr. Kelin Chen

E-Mail Website
Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
Interests: constitutive modelling; sheet metal forming; materials characterization; structural stability; ductile failure

Special Issue Information

Dear Colleagues,

In recent years, we have witnessed significant advances in the domain of advanced engineering materials (AEMs) such as light-weight and high-strength metals and alloys, intermetallics, composites, shape-memory alloys, metallic glasses, etc. These materials have been employed in the automotive, aerospace and astronautics, electronics, medical device, and sport industries. The mechanical properties of materials, including their elastoplasticity, anisotropy, formability, fracture mechanics, defect interactions, strengthening and toughness mechanisms, etc., play a critical role in the manufacturing/forming operations and in-service performance of these materials. Understanding the mechanical behavior of AEMs is mandatory for the effective usage of these materials; this prompts the vigorous development of cutting-edge experimental techniques for multiscale mechanical tests and microstructural characterizations, as well as state-of-the-art computational and theoretical methods with advanced constitutive models. This Special Issue, entitled “The Mechanical Behaviors of Advanced Engineering Materials”, aims to present quality and original research articles regarding the mechanical properties of AEMs. The topics addressed will be of major interest to scientists and professionals working at universities, research institutes, laboratories and industries concerned with the design, optimization, and application of AEMs.

The scope of this Special Issue includes, but is not limited to, the following topics:

Theoretical and fundamental insights into the microstructure–property relationships of AEMs: metals and alloys, composites, intermetallic, shape-memory alloys, metallic glasses, etc.

Novel and multiscale computational methods for the prediction, analysis, and design of the mechanical properties and forming/manufacturing processes of AEMs, including advanced and enriched constitutive models, multiscale modeling methods, computational damage and fracture mechanics, etc.

Understanding of the forming/manufacturing processes, deformation mechanisms, and mechanical responses and failure of AEMs, connecting between these processes and their underlying physical mechanisms of plasticity, damage, fracture, interaction among defects, etc.

Advanced experimental and characterization methods to reveal the ternary relationships among the microstructure, process, and mechanical behaviors of materials, such as developing novel experimental devices and techniques, full-field measurements across different length scales, ex situ and in situ mechanical tests integrated with various microscopic visualization methods, etc.

Mechanics-based investigations on emerging areas such as the 3D printing, additive manufacturing, and intelligent manufacturing of AEMs.

It is our pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are welcome.

Prof. Dr. Zhubin He
Dr. Kelin 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

  • mechanical property
  • structure–property relationship in engineering material constitutive model
  • formability
  • damage and fracture
  • microstructure and characterization
  • plasticity and anisotropy
  • multiscale modeling
  • strengthening mechanisms
  • multiscale mechanics

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Related Special Issue

Published Papers (4 papers)

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Research

19 pages, 4647 KiB  
Article
The Prediction of High-Temperature Bulging Deformations in Non-Uniform Welded Tubes and Its Application to Complex-Shaped Tubular Parts
by Zhenyu Zhang, Yanli Lin, Xianggang Ruan, Jiangkai Liang, Tianyu Wang, Junzhuo Wang and Zhubin He
Materials 2025, 18(12), 2882; https://doi.org/10.3390/ma18122882 - 18 Jun 2025
Viewed by 285
Abstract
Boron steel welded tubes show strong potential as blanks in the integrated hot gas forming–quenching process for fabricating complex thin-walled automotive parts. Nonetheless, the non-uniform characteristics of the base metal and the weld in the high-heat welded tube can result in uneven deformation [...] Read more.
Boron steel welded tubes show strong potential as blanks in the integrated hot gas forming–quenching process for fabricating complex thin-walled automotive parts. Nonetheless, the non-uniform characteristics of the base metal and the weld in the high-heat welded tube can result in uneven deformation during the bulging process. This inconsistency hampers precise predictions of the deformation behavior of the welded tubes at high temperatures. Accordingly, this research explored the flow characteristics and mechanical properties of PHS1500 boron steel welded tubes. This research was conducted at 850 °C and 900 °C, with strain rates of 0.01 s−1–1 s−1. The Johnson–Cook model was modified for both the base metal and the weld using experimental stress–strain data. Meanwhile, to assess the model precisions, the correlation coefficient r and the average absolute relative error (AARE) were employed. Finally, hot gas forming of PHS1500 boron steel welded tubular parts with complex shapes was predicted through a finite element analysis. This research showed a positive correlation of the strain rate with both the yield and tensile strengths in the base metal and the weld. The average yield strength and tensile strength of the weld were 12.8% and 3.9% higher than those of the base metal, respectively. The r and AARE of the modified Johnson–Cook constitutive model for the base metal’s and the weld’s flow stress were 0.99 and 2.23% and 0.982 and 5.31%, respectively. The maximum deviation in the predictions of the distribution of the wall thickness of a typical cross-section of the formed complex-shaped tubular parts was less than 8%. Full article
(This article belongs to the Special Issue Mechanical Behavior of Advanced Engineering Materials (2nd Edition))
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19 pages, 6592 KiB  
Article
Tribological Performance of EPDM and TPV Elastomers Against Glass Fiber-Reinforced Polyamide 66 Composites
by Daniel Foltuț, Ion-Dragoș Uțu and Viorel-Aurel Șerban
Materials 2025, 18(11), 2515; https://doi.org/10.3390/ma18112515 - 27 May 2025
Viewed by 2345
Abstract
This study evaluates the tribological behavior of two elastomeric sealing materials—EPDM and TPV—sliding against 30 wt.% glass fiber-reinforced polyamide 66 (PA66GF30), a composite widely used in structural and guiding components. The application context is low-leakage valve systems in polymer electrolyte membrane fuel cells [...] Read more.
This study evaluates the tribological behavior of two elastomeric sealing materials—EPDM and TPV—sliding against 30 wt.% glass fiber-reinforced polyamide 66 (PA66GF30), a composite widely used in structural and guiding components. The application context is low-leakage valve systems in polymer electrolyte membrane fuel cells (PEMFCs), particularly on the cathodic (air) side, where dry contact and low-friction sealing are critical. Pin-on-disk tests were conducted under three normal loads (1, 3, and 6 N) and sliding speeds of approximately 0.05, 0.10, and 0.15 m/s (92, 183, and 286 RPM). The coefficient of friction (CoF), mass loss, and wear morphology were analyzed. TPV generally exhibited lower and more stable friction than EPDM, with CoF values exceeding 1.0 at 1 N but falling within 0.32–0.52 under typical operating conditions (≥3 N). EPDM reached a maximum mass loss of 0.060%, while TPV remained below 0.022%. Microscopy revealed more severe wear features in EPDM, including tearing and abrasive deformation, whereas TPV surfaces displayed smoother, more uniform wear consistent with its dual-phase morphology. These findings support the selection of TPV over EPDM in dry-contact sealing interfaces involving composite counterfaces in PEMFC systems. Full article
(This article belongs to the Special Issue Mechanical Behavior of Advanced Engineering Materials (2nd Edition))
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12 pages, 9215 KiB  
Article
Study on the Axial Compressive Behavior and Constitutive Relationship of Lightweight Mixed Ceramic Concrete
by Yanxia Huang, Weiying Huang, Qunyi Huang, Wanyong Tuo and Qingchao Feng
Materials 2025, 18(2), 390; https://doi.org/10.3390/ma18020390 - 16 Jan 2025
Viewed by 554
Abstract
To thoroughly study the stress–strain relationship of lightweight mixed ceramic concrete, this paper conducts axial compressive strength tests on three groups of lightweight mixed ceramic concrete specimens with different types and contents as the basis. It establishes the elastic modulus calculation formula and [...] Read more.
To thoroughly study the stress–strain relationship of lightweight mixed ceramic concrete, this paper conducts axial compressive strength tests on three groups of lightweight mixed ceramic concrete specimens with different types and contents as the basis. It establishes the elastic modulus calculation formula and compressive stress–strain formula for lightweight mixed ceramic concrete by combining with the current standards and related research. The results show that lightweight mixed ceramic concrete, made of a mixture of different types and densities of ceramic grains, has better mechanical properties and deformation properties. The calculation errors of the modulus of elasticity formulas, derived from the experimental results for the three groups of lightweight mixed ceramic concretes, are all controlled within 5%. The average relative errors of the fitting results of stress–strain curves for the three groups of specimens and the measured data are as low as 6.66%, 3.16%, and 3.39%. The errors between the experimental values of the modulus of elasticity of different studies and the predicted values based on the formula in this paper were controlled within 17%, and the average relative errors between the predicted and experimental results of the stress–strain curves for the three groups of specimens were 2.64%, 8.94%, and 17.50%. This paper innovatively constructs a prediction model of key mechanical parameters of lightweight mixed ceramic concrete, which can provide a reference and experimental basis for the structural analysis and application of lightweight mixed ceramic concrete. Full article
(This article belongs to the Special Issue Mechanical Behavior of Advanced Engineering Materials (2nd Edition))
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19 pages, 7269 KiB  
Article
A Group-Enriched Viscoelastic Model for High-Damping Vitrimers with Many Dangling Chains
by Yan Li, Haibo Feng, Jing Xiong and Li Li
Materials 2024, 17(20), 5062; https://doi.org/10.3390/ma17205062 - 17 Oct 2024
Cited by 1 | Viewed by 1061
Abstract
Classical viscoelastic models usually only consider the motion of chain segments and the motion of the entire molecular chain; therefore, they will cause inevitable errors when modeling self-healing vitrimer materials with many group movements. In this paper, a group-enriched viscoelastic model is proposed [...] Read more.
Classical viscoelastic models usually only consider the motion of chain segments and the motion of the entire molecular chain; therefore, they will cause inevitable errors when modeling self-healing vitrimer materials with many group movements. In this paper, a group-enriched viscoelastic model is proposed for self-healing vitrimers where the group effect cannot be neglected. We synthesize a specific damping vitrimer with many dangling chains, surpassing the limited loss modulus of conventional engineering materials. Due to the dangling chains, the damping capability can be improved and the group effect cannot be neglected in the synthesized damping vitrimer. The group-enriched viscoelastic model accurately captures the experimental damping behavior of the synthesized damping vitrimer. Our results indicate that the group-enriched viscoelastic model can improve the accuracy of classical viscoelastic models. It is shown that the group effect can be ignored at low frequencies since the chain segments have sufficient time for extensive realignment; however, the group effect can become significant in the case of high frequency or low temperature. Full article
(This article belongs to the Special Issue Mechanical Behavior of Advanced Engineering Materials (2nd Edition))
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