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Article

Tribocorrosion and Stress Corrosion Cracking Risk Assessment of Novel Hybrid Stainless Steel–Carbon Fibre Tubes

by
Arshad Yazdanpanah
1,*,
Valentina Zin
2,
Francesca Valentini
1,
Luca Pezzato
2 and
Katya Brunelli
1
1
Department of Industrial Engineering, University of Padova, Via Marzolo 9, 35131 Padova, Italy
2
Institute of Condensed Matter Chemistry and Technologies for Energy, National Research Council of Italy (CNR), Corso Stati Uniti 4, 35127 Padova, Italy
*
Author to whom correspondence should be addressed.
Corros. Mater. Degrad. 2025, 6(2), 22; https://doi.org/10.3390/cmd6020022
Submission received: 10 March 2025 / Revised: 19 May 2025 / Accepted: 30 May 2025 / Published: 3 June 2025
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Abstract

The increasing demand for lightweight, high-performance materials in marine and offshore engineering has driven the development of hybrid solutions combining metals and composites. This study investigates the stress corrosion cracking (SCC) and tribocorrosion behaviour of a novel hybrid wire consisting of a superaustenitic stainless steel (6Mo) outer shell and a carbon fibre-reinforced polymer (CFRP) core. Microstructural analysis, residual stress measurement, and corrosion testing were performed to assess the integrity of the welded structure under harsh conditions. The results revealed that residual stresses and interdendritic segregation in the weld zone significantly contribute to SCC susceptibility, while the 6Mo steel showed improved corrosion resistance over 316L under tribocorrosion conditions but was more sensitive to the sliding frequency. These findings provide critical insights into the degradation mechanisms of metal composite hybrid wires and support the future design of corrosion-resistant components for offshore and structural applications.
Keywords: hybrid wires; stainless steel; CFRP; tribocorrosion; stress corrosion cracking hybrid wires; stainless steel; CFRP; tribocorrosion; stress corrosion cracking

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MDPI and ACS Style

Yazdanpanah, A.; Zin, V.; Valentini, F.; Pezzato, L.; Brunelli, K. Tribocorrosion and Stress Corrosion Cracking Risk Assessment of Novel Hybrid Stainless Steel–Carbon Fibre Tubes. Corros. Mater. Degrad. 2025, 6, 22. https://doi.org/10.3390/cmd6020022

AMA Style

Yazdanpanah A, Zin V, Valentini F, Pezzato L, Brunelli K. Tribocorrosion and Stress Corrosion Cracking Risk Assessment of Novel Hybrid Stainless Steel–Carbon Fibre Tubes. Corrosion and Materials Degradation. 2025; 6(2):22. https://doi.org/10.3390/cmd6020022

Chicago/Turabian Style

Yazdanpanah, Arshad, Valentina Zin, Francesca Valentini, Luca Pezzato, and Katya Brunelli. 2025. "Tribocorrosion and Stress Corrosion Cracking Risk Assessment of Novel Hybrid Stainless Steel–Carbon Fibre Tubes" Corrosion and Materials Degradation 6, no. 2: 22. https://doi.org/10.3390/cmd6020022

APA Style

Yazdanpanah, A., Zin, V., Valentini, F., Pezzato, L., & Brunelli, K. (2025). Tribocorrosion and Stress Corrosion Cracking Risk Assessment of Novel Hybrid Stainless Steel–Carbon Fibre Tubes. Corrosion and Materials Degradation, 6(2), 22. https://doi.org/10.3390/cmd6020022

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