| Title: | High-cycle fatigue of tri- and tetra-anti-chiral auxetic structures: Experimental and numerical investigation |
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| Authors: | ID Žnidarič, Žiga (Author)
ID Glodež, Srečko (Author)
ID Nečemer, Branko (Author) |
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| Files: |  1-s2.0-S2238785426004916-main.pdf (9,42 MB)
MD5: 0EEF62FEC3FE2EEFD939F5F953743DD7
 https://www.sciencedirect.com/science/article/pii/S2238785426004916?via%3Dihub
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | The investigation of the fatigue behaviour of two chiral auxetic cellular structures made of aluminium alloy 5083-H111 is presented in this study. Experimental and numerical tests were conducted under force control at different stress amplitudes in the high-cycle fatigue (HCF) regime. Based on the results, S–N curves were constructed, and the fatigue life of two auxetic geometries was determined. The numerical study was done using an elasto-plastic material model and stress-life approach to assess their fatigue life. The results showed that the tri-anti-chiral structure had a higher fatigue resistance compared to the tetra-anti-chiral structure. A good correlation was achieved between the numerical and experimental results, both in fatigue life predictions and in crack initiation regions. Additionally, a parametric study was conducted to assess the impact of modifying the node-strut junction radius on fatigue life. |
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| Keywords: | chiral auxetic structures, fatigue behaviour, experimental testing, computational analysis |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 05.02.2026 |
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| Article acceptance date: | 28.02.2026 |
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| Publication date: | 03.03.2026 |
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| Publisher: | Elsevier |
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| Year of publishing: | 2026 |
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| Number of pages: | str. 6663-6672 |
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| Numbering: | Vol. 41 |
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| PID: | 20.500.12556/DKUM-97564  |
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| UDC: | 539.2:519.6 |
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| ISSN on article: | 2214-0697 |
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| COBISS.SI-ID: | 271398403 |
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| DOI: | 10.1016/j.jmrt.2026.02.241 |
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| Publication date in DKUM: | 19.03.2026 |
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| Views: | 191 |
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| Downloads: | 33 |
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| Metadata: |    |
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| Categories: | Misc.
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