Details
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 112971 |
| Fachzeitschrift | Thin-walled structures |
| Jahrgang | 210 |
| Frühes Online-Datum | 23 Jan. 2025 |
| Publikationsstatus | Elektronisch veröffentlicht (E-Pub) - 23 Jan. 2025 |
Abstract
Bonded iron-based shape memory alloy (Fe-SMA) strengthening has shown great potential in fatigue strengthening for steel structures. However, there is a lack of a comprehensive model for analysing the fatigue behaviour of systems strengthened with prestressed bonded Fe-SMA. This study proposes the first analytical model, integrating a prestress analysis and fatigue analysis, to predict fatigue crack arrest in steel plates strengthened with prestressed bonded Fe-SMA strips. Four steel plates, each featuring a central through-thickness crack, were strengthened using bonded Fe-SMA strips, and subsequently, tested under fatigue loading after generating prestress via heating and cooling. The proposed model succeeded in predicting (i) the fatigue crack arrest at certain load levels and (ii) onset of crack propagation at increased load levels.
ASJC Scopus Sachgebiete
- Ingenieurwesen (insg.)
- Tief- und Ingenieurbau
- Ingenieurwesen (insg.)
- Bauwesen
- Ingenieurwesen (insg.)
- Maschinenbau
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in: Thin-walled structures, Jahrgang 210, 112971, 05.2025.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Arresting fatigue cracks in steel plates using prestressed bonded Fe-SMA strips
T2 - Analytical prediction and experimental validation
AU - Li, Lingzhen
AU - Wang, Sizhe
AU - Chen, Tao
AU - Chatzi, Eleni
AU - Heydarinouri, Hossein
AU - Ghafoori, Elyas
N1 - Publisher Copyright: © 2025 The Authors
PY - 2025/1/23
Y1 - 2025/1/23
N2 - Bonded iron-based shape memory alloy (Fe-SMA) strengthening has shown great potential in fatigue strengthening for steel structures. However, there is a lack of a comprehensive model for analysing the fatigue behaviour of systems strengthened with prestressed bonded Fe-SMA. This study proposes the first analytical model, integrating a prestress analysis and fatigue analysis, to predict fatigue crack arrest in steel plates strengthened with prestressed bonded Fe-SMA strips. Four steel plates, each featuring a central through-thickness crack, were strengthened using bonded Fe-SMA strips, and subsequently, tested under fatigue loading after generating prestress via heating and cooling. The proposed model succeeded in predicting (i) the fatigue crack arrest at certain load levels and (ii) onset of crack propagation at increased load levels.
AB - Bonded iron-based shape memory alloy (Fe-SMA) strengthening has shown great potential in fatigue strengthening for steel structures. However, there is a lack of a comprehensive model for analysing the fatigue behaviour of systems strengthened with prestressed bonded Fe-SMA. This study proposes the first analytical model, integrating a prestress analysis and fatigue analysis, to predict fatigue crack arrest in steel plates strengthened with prestressed bonded Fe-SMA strips. Four steel plates, each featuring a central through-thickness crack, were strengthened using bonded Fe-SMA strips, and subsequently, tested under fatigue loading after generating prestress via heating and cooling. The proposed model succeeded in predicting (i) the fatigue crack arrest at certain load levels and (ii) onset of crack propagation at increased load levels.
KW - Bonded strengthening
KW - Fatigue crack arrest
KW - Iron-based shape memory alloy (Fe-SMA)
KW - Prestress analysis
KW - Prestress loss
UR - http://www.scopus.com/inward/record.url?scp=85215770764&partnerID=8YFLogxK
U2 - 10.1016/j.tws.2025.112971
DO - 10.1016/j.tws.2025.112971
M3 - Article
AN - SCOPUS:85215770764
VL - 210
JO - Thin-walled structures
JF - Thin-walled structures
SN - 0263-8231
M1 - 112971
ER -