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Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition)
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Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition)

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

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 4797

Special Issue Editor

Prof. Dr. Ming-Tzer Lin

E-Mail Website
Guest Editor
Graduate Institute of Precision Engineering, National Chung Hsing University, Taichung 402204, Taiwan
Interests: experimental mechanics; nanomechanics; nanotechnology; MEMS; VLSI technology; mechanical properties of thin films; mechanics of BioMEMS materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is my great pleasure to announce this Special Issue of Materials, entitled “Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition)”.

With advancements in modern materials, the relationship between mechanical behavior and novel material properties has become a critical issue in the field of engineering design and development.

Thanks to recent developments centered around computational power and data storage, multiscale modelling analysis has become available for the mechanical behavior study of material elements from macroscopic, microscale, and nanoscale approaches to the characterization of materials.

Moreover, novel developments of nondestructive, optical, acoustic, and image processing methods, etc., have actualized mechanical characterization and application endeavors in view of their ability to accurately measure displacements, strains, and stresses in real time and to gather full-field information without altering object conditions, making them fundamentally useful in complex fields, such as bioengineering, MEMS, high-precision metrology, etc.

This Special Issue aims to focus on multiscale advances in “Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition)”. The goal is to provide a forum on the state-of-the-art and frontier applications for modelling and characterization. Submissions should be in the form of original research articles or authoritative review papers on the following, non-exhaustive, list of topics:

  • Advancements in finite element methods;
  • Meshless methods;
  • AI and machine learning;
  • Mechanics of nanomaterials;
  • Complex and emerging materials;
  • Photoelasticity and interferometry applications;
  • Image processing methods;
  • DIC method and its applications;
  • Multiscale and novel developments in nondestructive methods;
  • Mechanics of materials and constitutive models;
  • Bioengineering and biomechanics;
  • Aerospace and aeronautical engineering;
  • High-precision metrologies for machine tools and robot TCP.

Prof. Dr. Ming-Tzer Lin
Guest Editor

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 behaviours of materials
  • modelling
  • measurement
  • finite element method
  • mechanics of nanomaterials
  • DIC methods and its applications
  • mechanics of materials and constitutive models
  • multiscale and new developments in non-destructive methods

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Related Special Issue

Published Papers (2 papers)

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Research

19 pages, 4517 KiB  
Article
Full-Range Moment–Curvature Relationships for Beams Made of Low-Hardening Aluminium Alloys
by Aleksander Szwed, Inez Kamińska and Cezary Ajdukiewicz
Materials 2024, 17(22), 5545; https://doi.org/10.3390/ma17225545 - 13 Nov 2024
Viewed by 695
Abstract
Aluminium alloys are characterised by a rounded stress–strain relationship, with no sharply defined yield point. For example, aluminium alloy grades 6061-T6, 6082-T6, and 7075-T6 exhibit low-hardening response, which is close to linear elastic-linear plastic hardening characteristics. Commonly, the behaviour of aluminium alloys is [...] Read more.
Aluminium alloys are characterised by a rounded stress–strain relationship, with no sharply defined yield point. For example, aluminium alloy grades 6061-T6, 6082-T6, and 7075-T6 exhibit low-hardening response, which is close to linear elastic-linear plastic hardening characteristics. Commonly, the behaviour of aluminium alloys is described by Ramberg–Osgood (RO) one-dimensional constitutive relationship in the format of strain in terms of stress. In the case of low-hardening response, an alternative Richard–Abbott (RA) relationship of stress as a function of strain can be used. Both relations are analytically irreversible, but the RA is more appropriate for use in slender beams theory. In the present study, we use the latter function to derive moment as an explicit function of curvature for the sectional relation of beams. Since the obtained relation is expressed via special functions, we also propose its close approximation, which is more useful for practical purposes. It is uncomplicated and reasonably accurate compared to available models. The predictive capabilities of the new moment–curvature models developed in this article are verified with experimental results available in the literature for beams tested under four-point and three-point bending. In the case of four-point beams, predictions show very good agreement with experiments, while for three-point bending of beams, higher discrepancies are observed. Full article
(This article belongs to the Special Issue Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition))
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13 pages, 8159 KiB  
Article
Molecular Dynamics Simulation Study of Aluminum–Copper Alloys’ Anisotropy under Different Loading Conditions and Different Crystal Orientations
by Xiaodong Wu and Wenkang Zhang
Materials 2024, 17(16), 4162; https://doi.org/10.3390/ma17164162 - 22 Aug 2024
Viewed by 1010
Abstract
The commonly used aluminum–copper alloys in industry are mainly rolled plates and extruded or drawn bars. The aluminum–copper alloys’ anisotropy generated in the manufacturing process is unfavorable for subsequent applications. Its underlying mechanism shall be interpreted from a microscopic perspective. This paper conducted [...] Read more.
The commonly used aluminum–copper alloys in industry are mainly rolled plates and extruded or drawn bars. The aluminum–copper alloys’ anisotropy generated in the manufacturing process is unfavorable for subsequent applications. Its underlying mechanism shall be interpreted from a microscopic perspective. This paper conducted the loading simulation on Al–4%Cu alloy crystals at the microscopic scale with molecular dynamics technology. Uniaxial tension and compression loading were carried out along three orientations: X-<1¯12>, Y-<11¯1>, and Z-<110>. It analyzes the micro-mechanisms that affect the performance changes of aluminum–copper alloys through the combination of stress–strain curves and different organizational analysis approaches. As shown by the results, the elastic modulus and yield strength are the highest under tension along the <11¯1> direction. Such is the case for the reasons below: The close-packed plane of atoms ensures large atomic binding forces. In addition, the Stair-rod dislocation forms a Lomer–Cottrell dislocation lock, which has a strengthening effect on the material. The elastic modulus and yield strength are the smallest under tension along the <110> direction, and the periodic arrangement of HCP atom stacking faults serves as the main deformation mechanism. This is because the atomic arrangement on the <110> plane is relatively loose, which tends to cause atomic misalignment. When compressed in different directions, the plastic deformation mechanism is mainly dominated by dislocations and stacking faults. When compressed along the <110> direction, it has a relatively high dislocation density and the maximum yield strength. That should be attributed to the facts below. As the atomic arrangement of the <110> plane itself was not dense originally, compression loading would cause an increasingly tighter arrangement. In such a case, the stress could only be released through dislocations. This research aims to provide a reference for optimizing the processing technology and preparation methods of aluminum–copper alloy materials. Full article
(This article belongs to the Special Issue Mechanical Behaviors of Materials: Modelling and Measurement (2nd Edition))
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