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Special Issue "Study on Cyclic Mechanical Behaviors of Materials – 2nd Edition"

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

Deadline for manuscript submissions: 20 June 2023 | Viewed by 1014

Special Issue Editors

Mechanical Department, Cracow University of Technology, Kraków, Poland
Interests: constitutive modeling; low-cycle fatigue; thermo-mechanical coupling; cyclic hardening/softening; damage; plasticity; phase transformations; composite materials
Special Issues, Collections and Topics in MDPI journals
Faculty of Mechanical Engineering, UTP University of Science and Technology, Bydgoszcz, Poland
Interests: fatigue life; cumulative damage in low-cycle fatigue; cyclic hardening/softening; fatigue testing procedures; thermomechnical fatigue
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The increasing demand for high-performance construction materials evokes the development of adequate constitutive modelling, as well as the appropriate predictions of overall failure mechanisms under complex thermo-mechanical loads. Fatigue, resulting from cyclic loading, is one of the most common and important phenomenon encountered in mechanical structures for different industrial applications. A correct prediction of this phenomenon is usually closely related to safety in addition to economic aspects.

Resistance to cyclic loading and creep are features of paramount importance in the assessment of construction materials used in airplanes, gas turbines, fossil fuel power plants, nuclear reactors, etc. For this reason, the effects of variable loads applied to structural elements at a wide range of temperatures are currently being researched in many scientific centres all over the world. These works result in new engineering materials, such as nickel-based superalloys, heat-resistant austenitic steels, and martensitic and light alloys.

Cyclic loads apply to a majority of structural elements. At the same time, the analysis of fatigue problems is much more complicated than research related to monotonic loads. Difficulties arise from the large number of cycles, resulting in the accumulation of various effects and tedious numerical calculations.

This Special Issue aims to present the latest achievements in the field of fatigue. We invite researchers to submit original research papers and review articles on the cyclic behaviours of various materials, including metals and geomaterials. Both experimental and theoretical studies related to different aspects of fatigue are warmly welcome.

Prof. Dr. Halina Egner
Prof. Dr. Stanisław Mroziński
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 2300 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

  • low-cycle/high-cycle/very high-cycle fatigue
  • thermomechanical fatigue
  • cumulative fatigue damage
  • cyclic hardening/softening
  • fatigue life
  • multiaxial fatigue
  • fatigue testing
  • creep and fatigue
  • stress concentration

Published Papers (2 papers)

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Research

Article
Influence of Pre-Strain on Static and Fatigue Properties of S420M Steel
Materials 2023, 16(2), 590; https://doi.org/10.3390/ma16020590 - 07 Jan 2023
Viewed by 403
Abstract
This paper reports the results of static tensile and low-cycle fatigue tests on S420M steel specimens. As-received (unstrained) and pre-strained specimens were used during the tests. Based on the static tensile tests carried out, no effect of pre-strain on the basic strength parameters [...] Read more.
This paper reports the results of static tensile and low-cycle fatigue tests on S420M steel specimens. As-received (unstrained) and pre-strained specimens were used during the tests. Based on the static tensile tests carried out, no effect of pre-strain on the basic strength parameters of the S420M steel was found. Low-cycle fatigue tests showed that the pre-strain of the specimens causes a change in the cyclic properties of the steel and a slight increase in fatigue life compared to that of the as-received specimens. The greatest increase in durability was observed at the lowest strain levels. Full article
(This article belongs to the Special Issue Study on Cyclic Mechanical Behaviors of Materials – 2nd Edition)
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Article
Using the Fourier Methods for Cycle Counting of Bimodal Stress Histories with Variable in Time Amplitudes of Components
Materials 2023, 16(1), 254; https://doi.org/10.3390/ma16010254 - 27 Dec 2022
Viewed by 377
Abstract
The application of the Fourier methods to perform cycle identification and description for different cases of bimodal stress histories are presented and discussed in the paper. The direct spectral method and the modified direct spectral method, previously co-proposed by the author, together with [...] Read more.
The application of the Fourier methods to perform cycle identification and description for different cases of bimodal stress histories are presented and discussed in the paper. The direct spectral method and the modified direct spectral method, previously co-proposed by the author, together with the aspects of the use of Fourier methods discussed in this article, offer a unique alternative to the methods known in the literature for identifying and counting various types of bimodal stress variations in time (with constant or variable amplitudes; completely reversed, reversal, or pulsed type). The application of the Fast Fourier Transform (FFT) and the Short-Time Fourier Transform (STFT) is discussed. The method is useful, especially in cases when it is known that due to the form of work of the mechanical system the two existing components of vibrations with various frequencies can be identified, of which the one with higher frequency has a vibration amplitude lower than a component with a lower frequency and, above all, a variable in time. Full article
(This article belongs to the Special Issue Study on Cyclic Mechanical Behaviors of Materials – 2nd Edition)
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