Composite Materials & Design and Failure of Marine Structures

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: closed (5 December 2023) | Viewed by 1467

Special Issue Editor


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Faculty of Mechanical Engineering, Universität der Bundeswehr München, Munich, Germany
Interests: fractal mechanics; fracture mechanics; experimental mechanics; computational mechanics; advanced materials and structures
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Special Issue Information

Dear Colleagues,

Maritime components and systems are designed according to high safety and reliability standards, which are necessary to safeguard people and assets, prevent hazardous events, and protect the environment. The recent tragedy in the disaster of the Titan Submersible highlights important questions in the design process of the composite component used in such vehicles. Indeed, the use of fibrous polymer-based composite materials in the design of marine components including submarine parts and ship components has been questioned. This is due to the disadvantage of polymer-based composites encountering various types of damage and fracture events and their tendency to undergo moisture absorption and property degradation, which is accelerated by the harsh sea conditions. However, due to the tremendous advantages of fiber-reinforced composites, many industries, including the aerospace sector, are competing to increase the use of such materials to design complex structures. This motivates the marine industry to continue the research and development in design of complex structures for marine applications. In this regard, many academicians and researchers at universities and R&D organizations are conducting scientific research and experiments to characterize the physical properties and determine the mechanical behavior of advanced composite materials for marine applications subjected to various complex loading and harsh environmental conditions.

In this regard, this Special Issue on “Composite Materials & Design and Failure of Marine Structures” promotes and collects the new developments in composite materials, novel design approaches, structural analysis, and failure concepts for marine applications. It also covers new developments in the science and engineering of theoretical, computational, and experimental mechanics. The research topics include:

  1. Development of new composite materials,
  2. Mechanical and physical characterization of composites subjected to marine environmental conditions,
  3. Numerical and computational modeling of marine components,
  4. Experimental mechanics and characterization of marine structures,
  5. Design of composite component,
  6. Physical behavior of composite materials for marine application that highlights moisture absorption, erosive/corrosive environmental effect, aging, and long-term performance, etc,
  7. New sciences and Manufacturing of marine components.

Authors are welcome to submit their latest research findings as original full articles, letters, communications, or reviews on these topics.

Dr. Seyed R. Koloor
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • advanced composite materials
  • marine application
  • design of marine structure and components
  • numerical and computational methods
  • experimental mechanics
  • mechanical behavior
  • fatigue and fracture mechanics
  • damage mechanics

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Published Papers (1 paper)

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16 pages, 11541 KiB  
Article
Static and Fatigue Characterization of Large Composite T-Bolt Connections in Marine Hygrothermal Environments
by Paul Murdy, Scott Hughes, David A. Miller, Francisco J. Presuel-Moreno, George T. Bonheyo, Budi Gunawan and Bernadette A. Hernandez-Sanchez
J. Mar. Sci. Eng. 2023, 11(12), 2309; https://doi.org/10.3390/jmse11122309 - 6 Dec 2023
Viewed by 1146
Abstract
Fiber-reinforced polymer composites have been highlighted as ideal candidates for structural applications in marine renewable energy devices, such as tidal turbines and wave energy converters. It is well understood that harsh marine environments can cause strength degradation of composite laminates, which has been [...] Read more.
Fiber-reinforced polymer composites have been highlighted as ideal candidates for structural applications in marine renewable energy devices, such as tidal turbines and wave energy converters. It is well understood that harsh marine environments can cause strength degradation of composite laminates, which has been extensively researched at the coupon scale; however, no research has investigated how this translates into larger-scale composite structures. This paper presents a subcomponent-scale study which investigates the effects of hygrothermal aging and subsequent static and fatigue characterization of thick composite T-bolt connections as part of a large, multilaboratory materials research effort. Of the glass-reinforced epoxy and vinylester-epoxy matrix composites tested, both showed measurable static strength degradation (4–36%) after being hygrothermally aged, even though the composite specimens were only partially saturated with water. Under tension–tension fatigue loading, the epoxy specimens performed very well in their dry states but exhibited significant degradation after hygrothermal aging. In comparison, the vinylester-epoxy specimens had much shorter fatigue lives in their dry states but exhibited no degradation after hygrothermal aging. Overall, this research demonstrates that hygrothermal aging can have significant effects on the ultimate strengths and fatigue lives of even partially saturated thick composite T-bolt connections, indicating that degradation of the outer plies on thick composite laminates can have pronounced effects on the whole structure. It discusses the challenges of building an understanding of the effects of harsh marine environments in large-scale composite structures. Full article
(This article belongs to the Special Issue Composite Materials & Design and Failure of Marine Structures)
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