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Zeynep Firat Alemdar and Fatih Alemdar
Corrosion damage is a serious problem in steel structures. The cross-sectional loss in the structural members due to corrosion reduces the load-carrying capacity of the members and the stability of their structures. In this study, the main reasons for th...
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Daoyong Wang, Bo Song, Shuo Diao, Chao Wang and Chenhu Lu
Global warming makes many countries pay more attention to the use of wind energy. With the development of offshore wind power generation, the offshore wind turbine tower is facing the dual effects of marine corrosion and earthquake. The purpose of this p...
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Michael Lo, Saravanan Karuppanan and Mark Ovinis
Machine learning tools are increasingly adopted in various industries because of their excellent predictive capability, with high precision and high accuracy. In this work, analytical equations to predict the failure pressure of a corroded pipeline with ...
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Guang-Ling Song and Zhenliang Feng
Organic coatings for marine applications must have great corrosion protection and antifouling performance. This review presents an overview of recent investigations into coating microstructure, corrosion protection performance, antifouling behavior, and ...
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V. I. Borshchov,V. I. Klymov
Pág. 61 - 66
Development of drainage defects, the defects of concrete coating, corrosion of the ferroconcrete rods and vatting of solution of railway span structures, made from conventional rod fixtures, due to ageing processes, have been analysed. The dependence has...
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Ying Wang and Yuqian Zheng
A numerical simulation method is presented in this paper to study the damage evolution and failure process of high-strength steel wires with pre-corrosion defects in cable-stayed bridges under fatigue loads. This method was based on the mechanism of crac...
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Javier Bedmar, Jorge de la Pezuela, Ainhoa Riquelme, Belén Torres and Joaquín Rams
The presence of defects like porosity and lack of fusion can negatively affect the properties of the materials manufactured by Selective Laser Melting (SLM). The optimization of the manufacturing conditions allows reducing the number of defects, but ther...
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Xiaoli Li, Guitao Chen, Xiaoyan Liu, Jing Ji and Lianfu Han
In order to study the residual strength of buried pipelines with internal corrosion defects in seasonally frozen soil regions, we established a thermo-mechanical coupling model of a buried pipeline under differential frost heave by using the finite eleme...
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Larysa Yuzevych,Larysa Yankovska,Lyubomyr Sopilnyk,Volodymyr Yuzevych,Ruslan Skrynkovskyy,Bohdan Koman,Lyudmila Yasinska-Damri,Nell? Heorhiadi,Roman Dzhala,Mykhailo Yasinskyi
Pág. 23 - 29
A new criterion of strength and a set of informative parameters have been devised for modelling the stressed-strained state (SSS) of the underground metal pipeline (UMP) taking into consideration the system of defects of the cavity type, atop of which th...
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Suria Devi Vijaya Kumar, Michael Lo, Saravanan Karuppanan and Mark Ovinis
Conventional pipeline failure pressure assessment codes do not allow for failure pressure prediction of interacting defects subjected to combined loadings. Alternatively, numerical approaches may be used; however, they are computationally expensive. In t...
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Esmaeil Sadeghimeresht, Nicolaie Markocsan and Per Nylén
There is an increasing demand to replace Co-based coatings with cheap and environmentally friendly Fe-based coatings in corrosive environments. The main objective of this work was to evaluate whether Fe-based coatings could present a better corrosion per...
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Jianxing Yu, Weipeng Xu, Yang Yu, Fei Fu, Huakun Wang, Shengbo Xu and Shibo Wu
The objective of this study was to investigate the performance of pipelines repaired with carbon-fibre-reinforced polymer (CFRP) under external pressure. The repaired pipeline experienced defects in terms of thinning of its local inner wall. The three-di...
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Tao Wang, Yifan Wang, Qi Cheng, Shouming Yu and Guojun Zhang
CrNx coatings with a low nitrogen content below 31.7 at.% were deposited using closed field unbalanced magnetron sputtering by varying the N2:Ar flow ratio. A dense and column-free CrNx coating was obtained at a nitrogen content of 14.8 at.%, whereas the...
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Alan Turnbull
A perspective is presented on the evolution of damage due to environmentally assisted cracking (EAC), from crack precursor development through to long crack growth. The variable nature of crack precursors is highlighted with an observation that uncontrol...
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Abhishek Tiwari and R. K. Singh Raman
This study demonstrates the corrosion resistance of a Cu-Ni alloy coated with a multi-layer graphene. This is one of the first demonstrations of long-term corrosion resistance due to graphene coating, which is crucial since earlier studies have suggested...
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Abhishek Tiwari and R. K. Singh Raman
This study demonstrates the corrosion resistance of a Cu-Ni alloy coated with a multi-layer graphene. This is one of the first demonstrations of long-term corrosion resistance due to graphene coating, which is crucial since earlier studies have suggested...
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Oseghale, G.E.,Ikpo, I.J.
Pág. 104 - 111
The study appraised the state of industrial facilities in selected industrial estates established between 1957 and 1981 in Lagos State by examining the nature and causes of facilities? defects in the selected industrial estates. The buildings sampled wer...
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Fan Cao, Peng Cao, Yangyang Li, Yi Wang, Lei Shi and Di Wu
The passivation of zinc alloy coating was achieved through the utilization of both silicate and trivalent chromium passivation systems, employing a specific process formula consisting of Co(NO3)2 at a concentration of 2.5 g/L, C76H52O46 at 3 mL/L, Na2SiO...
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Olha Aleksieieva, Liliia Dereviankina, Paul Breuninger, Mustafa Bozoglu, Pavlo Tretiakov, Andrii Toporov and Sergiy Antonyuk
The cold gas-dynamic spray (CGDS) technique is utilized for repairing processes of a large number of metallic components in mechanical and process engineering, such as bridges or vehicles. Fine particles impacting on the component surface can be severely...
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Elias Ananiadis, Konstantinos T. Argyris, Theodore E. Matikas, Athanasios K. Sfikas and Alexandros E. Karantzalis
Novel aluminium matrix composites reinforced by MoTaNbVW refractory high-entropy alloy (HEA) particulates have been fabricated by powder metallurgy. The microstructure of the produced composites has been studied and the corrosion behaviour assessed in 3....
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