Erosion-Corrosion and Stress Corrosion Characteristics of Hydraulic and Marine Structures

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 4406

Special Issue Editors


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Guest Editor
College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China
Interests: stress corrosion; erosion

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Guest Editor
School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
Interests: ocean engineering; fatigue failure; safety assessment; dynamic response

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Guest Editor
School of Architecture and Civil Engineering, Xiamen University, Xiamen 361005, China
Interests: structure stability; corrosion and erosion; multiphysics coupling numerical simulation
Power China Huadong Engineering Corporation Limited, Hangzhou 311122, China
Interests: hydraulic metal structure; ocean engineering; corrosion; damage monitoring

Special Issue Information

Dear Colleagues,

The environment in which hydraulic and marine structures (such as gate, pipe, ship, platform, etc.) are located is a typical fluid–solid coupling system. Under the action of water flow, hydraulic metal structures and marine structures are inevitably subjected to vibration and fatigue loads. Under the action of fluid–structure interaction, the mechanical properties of materials are degraded, which has adverse effects on the structures’ integrity. On the one hand, in areas with rapid flow transitions (such as pipe reduction, structural corners, etc.), cavitation might cause pitting damage, destroying the structural integrity. At the same time, the water flow and the mixed solid impurities will cause erosion and wear to the structure, and the durability of key parts will be reduced. On the other hand, in a corrosive fluid environment, electrochemical corrosion is inevitable, which could induce the degradation of structures. Furthermore, the synergy of mechanical stress and corrosion (including but not limited to stress corrosion, erosion–corrosion, tribo-corrosion, and corrosion fatigue) could lead to premature failure of hydraulic and marine structures. As a result, exploring the dynamic response under the action of fluids, and detecting the material damage characteristics of structures under the coupling of multiple loads (hydrodynamics, corrosion, wear, etc.) is significant for providing guidance and support for strength assessment and remaining life prediction of hydraulic metal structures and marine structures.

Prof. Dr. Xingguo Feng
Dr. Haisheng Zhao
Dr. Huakun Wang
Dr. Yesen Zhu
Guest Editors

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Keywords

  • hydraulic structures
  • marine structures
  • friction and wear
  • cavitation and erosion
  • corrosion and tribo-corrosion
  • damage monitoring
  • structural safety evaluation and prediction

Published Papers (3 papers)

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Research

19 pages, 10078 KiB  
Article
Erosion in Helico-Axial Pumps
by Rached Ben-Mansour, Hamza Raza and Zakria Toor
Lubricants 2023, 11(4), 153; https://doi.org/10.3390/lubricants11040153 - 23 Mar 2023
Viewed by 1201
Abstract
With recent advancements in the petroleum industry, the need for multiphase pumps to transport multiphase products, such as the product of oil, water, and natural gas, arises along with their challenges. A helico-axial multiphase pump should be capable of converting fluid kinetic energy [...] Read more.
With recent advancements in the petroleum industry, the need for multiphase pumps to transport multiphase products, such as the product of oil, water, and natural gas, arises along with their challenges. A helico-axial multiphase pump should be capable of converting fluid kinetic energy into pressure by avoiding gas–liquid separation and the gas-locking phenomenon, enabling smooth pump operation at higher gas volume fractions. In this paper, erosion on a helico-axial pump is evaluated at different flow conditions using sand particles mixed with water. A very important practical finding of this investigation is that the erosion rate increased when the flow conditions deviated from the design point of 3600 RPM. Operating the pump in off-design conditions not only reduced its hydraulic efficiency but also increased the erosion rates and hence reduces its life. It was observed that at 4800 RPM, the pump efficiency decreased by 11% and the erosion rate increased by 80%. This increase in erosion rate was attributed to the formation of local vortices upstream of the blade leading edge affecting the particle flow path and increasing its impact on the blade surface. Full article
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17 pages, 6535 KiB  
Article
Probing the Dynamic Progression of Erosion–Corrosion of X65 Pipeline Steel Using the Electrical Resistance Method in Conjunction with Galvanostatic Polarization
by Kongzhong Liu, Wanheng Jiang, Wanbin Chen, Liang Liu, Yunze Xu and Yi Huang
Lubricants 2022, 10(12), 345; https://doi.org/10.3390/lubricants10120345 - 2 Dec 2022
Cited by 3 | Viewed by 1326
Abstract
The initiation of erosion and the coupled damage of erosion and corrosion on the surface of X65 pipeline steel with varying applied anodic currents were online monitored using the electrical resistance (ER) method. Results show that ER method in conjunction with anodic polarization [...] Read more.
The initiation of erosion and the coupled damage of erosion and corrosion on the surface of X65 pipeline steel with varying applied anodic currents were online monitored using the electrical resistance (ER) method. Results show that ER method in conjunction with anodic polarization was a highly effective approach for the investigation of the interaction effect between erosion and corrosion, which can be used to quickly and conveniently obtain the synchronously changed erosion and corrosion rates. The critical impact energy is a key parameter of sand particles to induce erosion damage on the steel surface, which can remove the flaky cementite at the edge of the pits. The threshold anodic current density that can cause a synergic effect between erosion and corrosion of X65 pipeline steel can be quantitatively fitted based on the erosion rates under varying anodic currents. Full article
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16 pages, 5244 KiB  
Article
A Fully Coupled Tribocorrosion Simulation Method for Anchor Chain Considering Mechano-Electrochemical Interaction
by Huakun Wang, Tongmu Liu, Yao Zhang, Yesen Zhu, Fangzhou Liu and Tongyao Wang
Lubricants 2022, 10(12), 330; https://doi.org/10.3390/lubricants10120330 - 23 Nov 2022
Cited by 2 | Viewed by 1321
Abstract
This study aims at proposing a fully coupled numerical simulation method of tribocorrosion development on anchor chains during service life, where the mechano-electrochemical interaction is considered in a simplified way. The damage evolution can be realized by a user-defined UMESHMOTION FORTRAN subroutine, where [...] Read more.
This study aims at proposing a fully coupled numerical simulation method of tribocorrosion development on anchor chains during service life, where the mechano-electrochemical interaction is considered in a simplified way. The damage evolution can be realized by a user-defined UMESHMOTION FORTRAN subroutine, where both stress-accelerated corrosion and corrosion-accelerated wear can be considered. Based on this numerical method, the time-variant damage morphology of mooring chain can be obtained. Simulation results obtained by different damage evolution models are shown and compared, and some discussions on the simplified simulation method of reciprocating tribocorrosion are also presented. A systematic parametric study is carried out, and the key factors affecting the tribocorrosion of chain link are revealed. Finally, a modified design method is proposed, and it can be used for optimization of the design of marine anchor chains. Full article
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