materials-logo

Journal Browser

Journal Browser

Modeling and Design Based on Shape Memory Behavior

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

Deadline for manuscript submissions: 20 September 2024 | Viewed by 1605

Special Issue Editors

Civil Engineering Department, Hongik University, Seoul, Republic of Korea
Interests: shape memory alloys structures; smart materials; reinforced composites; manufacturing technology
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany
Interests: mechanics of polymers; sensors and actuators; 3D and 4D printings; computational mechanics; finite element analysis

E-Mail Website
Guest Editor
Department of Mechanical & Industrial Engineering, Louisiana State University, Baton Rouge, LA, USA
Interests: mechanics of shape memory polymers; shape memory alloys; actuators; finite element analysis; computational mechanics

Special Issue Information

Dear Colleagues,

Motivated by natural materials capable of adapting to their surrounding environment, many stimuli-responsive smart materials have been developed. Shape memory materials (SMMs) are a class of smart materials that, without any additional mechanical effort, are capable of memorizing their permanent shapes and recovering them through different types of stimuli. Among the four main types of shape memory material, which are shape memory ceramics, shape memory composites (SMCS), shape memory alloys (SMAs), and shape memory polymers (SMPs), the last two terms are of considerable attention due to the widespread types of applications. The feature of shape memory effect (SME) can be seen when a significant deformation may be recovered through a particular stimulus. However, other features including superelasticity (in alloys) and visco-elasticity (in polymers) have drawn attention due to the interesting behavior upon unloading and loading. Furthermore, several methods including experimental, computational, and applied mechanics may be employed to analyze mechanical as well as electrical devices.

Therefore, this Special Issue is focused on the analysis and development of novel devices, structures, and applications of SMAs and SMPs in engineering fields from civil and aerospace engineering to medical devices.

Dr. Eunsoo Choi
Dr. Hamid Shahsavari
Dr. Alireza Ostadrahimi
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

  • actuators and sensors mechanisms
  • modeling and simulations (analytical modeling, constitutive equations, finite element analysis, optimization tools)
  • experimental investigations
  • manufacturing process (3D/4D printing)

Published Papers (2 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

20 pages, 4881 KiB  
Article
Test Rig for Investigating the Functional and Structural Fatigue of Shape Memory Alloy Wires Based on Different Activation Profiles
by Tobias Schmelter, Olivia Gawlik, Antonia Weirich and Bernd Kuhlenkötter
Materials 2024, 17(6), 1400; https://doi.org/10.3390/ma17061400 - 19 Mar 2024
Viewed by 444
Abstract
This work presents a test rig developed for testing the lifetime of electrically and cyclically activated shape memory alloy wires. This test rig is developed to provide information on the functional and structural fatigue of the wires. Therefore, electrical activation on the test [...] Read more.
This work presents a test rig developed for testing the lifetime of electrically and cyclically activated shape memory alloy wires. This test rig is developed to provide information on the functional and structural fatigue of the wires. Therefore, electrical activation on the test rig can be carried out using different activation profiles, because it is of great research interest to determine whether those profiles have a significant influence on the wire’s lifetime and functional behavior. The test rig monitors the process parameters such as stroke, current, voltage, and force. After presenting the electrical and mechanical design of the test rig, this publication evaluates an initial series of tests to demonstrate its functionality. Three different activation profiles are run in parallel on four identical test rig setups and are then evaluated. The functionality of the test rig is verified by a detailed evaluation of the process data on the one hand, and by comparing the results with existing literature on the other. The functionality of the test rig can thus be verified. At the same time, the strong influence of the different activation profiles on both the lifetime and the functional properties of the shape memory alloy wires becomes clear. Full article
(This article belongs to the Special Issue Modeling and Design Based on Shape Memory Behavior)
Show Figures

Figure 1

17 pages, 3909 KiB  
Article
Finite Bending of Fiber-Reinforced Visco-Hyperelastic Material: Analytical Approach and FEM
by Jafar Pashazadeh, Alireza Ostadrahimi, Mostafa Baghani and Eunsoo Choi
Materials 2024, 17(1), 5; https://doi.org/10.3390/ma17010005 - 19 Dec 2023
Viewed by 640
Abstract
This paper presents a new anisotropic visco-hyperelastic constitutive model for finite bending of an incompressible rectangular elastomeric material. The proposed approach is based on the Mooney–Rivlin anisotropic strain energy function and non-linear visco-hyperelastic method. In this study, we aim to examine the mechanical [...] Read more.
This paper presents a new anisotropic visco-hyperelastic constitutive model for finite bending of an incompressible rectangular elastomeric material. The proposed approach is based on the Mooney–Rivlin anisotropic strain energy function and non-linear visco-hyperelastic method. In this study, we aim to examine the mechanical response of a reinforced viscoelastic rectangular bar with a group of fibers under bending. Anisotropic materials are typically composed of one (or more) family of reinforcing fibers embedded within a soft matrix material. This operation may lead to an enhancement in the strength and stiffness of soft materials. In addition, a finite element simulation is carried out to validate the accuracy of the analytical solution. In this research, the well-known stress relaxation test, as well as the multi-step relaxation test, are examined both analytically and numerically. The results obtained from the analytical solution are found to be in good agreement with those from the finite element method. Therefore, it can be deduced that the proposed model is competent in describing the mechanical behavior of fiber-reinforced materials when subjected to finite bending deformations. Full article
(This article belongs to the Special Issue Modeling and Design Based on Shape Memory Behavior)
Show Figures

Figure 1

Back to TopTop