Composites put wind in the sails of all kinds of vessels

Guillermin, Olivier

doi:10.1016/s0034-3617(10)70141-7

Cited by 5 publications

(2 citation statements)

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“…FRPs have significant usage in boat building and marine construction industries in a wider range for decades due to the fact that it is the optimum choice in terms of durability, workability and cost. These materials offer better resistance to both material corrosion as well marine environmental agents such as UV, seawater, organism and fatigue loading, additionally having the advantages of strength-to-weight ratio (specific tensile strength) compared to conventional materials such as wood, steel and aluminum [4,5].Additionally enabling part consolidation, thus reducing part counts, joints and fastener counts and manufacturing steps; providing significant weight reductions and improvements in stability by helping lower the centre of gravity and enabling easier application to complex shapes and compound curvature made composites ideal for manucafturing [6].…”

Section: Introductionmentioning

confidence: 99%

End-of-Life Alternatives of Glass Reinforced Polyester Boat Hulls Compared by LCA

Önal

Neşer

2018

Advanced Composites Letters

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Glass reinforced polyester (GRP), as a thermoset polymer composites, dominates boat building industry with its several advantages such as high strength/weight ratio, cohesiveness, good resistance to environment. However, proper recovering and recycling of GRP boats is became a current environmental requirement that should be met by the related industry. In this study, to propose in a cost effective and environmentally friendly way, Life Cycle Assessment (LCA) has been carried out for six scenarios include two moulding methods (namely Hand Lay-up Method, HLM and Vacuum Infusion Method, VIM) and three End-of-Life (EoL) alternatives(namely Extruding, Incineration and Landfill) for a recreational boat's GRP hulls. A case study from raw materials purchasing phase to disposal/recycling stages has been established taking 11 m length GRP boat hull as the functional unit.Analysis show that in the production phase, the impacts are mainly due to the use of energy (electricity), transport and raw material manufacture. Largest differences between the methods considered (HLM and VIM) can be observed in the factors of marine aquatic ecotoxicity and eutrophication while the closest ones are abiotic depletion, ozon layer depletion and photochemical oxidation. The environmental impact of VIM is much higher than HLM due to its higher energy consumption while vacuum infusion method has lower risk than hand lay-up method in terms of occupational health by using less raw material (resin) in a closed mold. In the comparison of the three EoL techniques, the mechanical way of recycling (granule extruding) shows better environmental impacts except terrestrial ecotoxicity, photochemical oxidation and acidification. Among the EoL alternatives, landfill has the highest environmental impacts except 'global warming potential' and 'human toxicity' which are the highest in extrusion. The main cause of the impacts of landfill is the transportation needs between the EoL boats and the licenced landfill site. Although it has the higher impact on human toxicity, incineration is the second cleaner alternative of EoL techniques considered in this study. In fact that the similar trend has been observed both in production and EoL phases of the boat. It is obvious that using much more renewable energy mix and greener transportation alternative can reduce the overall impact of the all phases considerably.

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Section: Introductionmentioning

confidence: 99%

End-of-Life Alternatives of Glass Reinforced Polyester Boat Hulls Compared by LCA

Önal

Neşer

2018

Advanced Composites Letters

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“…To examine the fatigue behaviour of FRP, there is a paucity of widely accessible methodologies and appropriate modern models, in contrast to metallic structural materials. Due to the inherent heterogeneity of FRP, a variety of damage mechanisms, such as matrix cracking, fibre/matrix debonding, fibre fracture, and interlaminar delamination [25,26], must be taken into account. The cost of materials is often the decisive factor when choosing between composites and mild steel.…”

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confidence: 99%

A Review Assessment of Fiber-Reinforced Polymers for Maritime Applications

Okuma,

Obaseki,

Okiemute Ofuyekpone

et al. 2023

JAITA

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Composite materials, comprised of fibre-reinforced polymers, offer a high strength-to-weight ratio, making them excellent for the building of complex, lightweight structures in several industries, including the marine industry. There is an improvement in fuel efficiency and cost-effectiveness in general marine component developments as a result of the lightweight and flexible design characteristics. Fibre-reinforced polymer (FRP) composites are often used to construct boats, ships, and other marine compounds, such as the hull, column beams, piling structures, and other internal ship components, since they meet the aforementioned characteristics. In terms of durability, rigidity, and corrosion resistance, these FRPs may readily replace their conventional metal counterparts. So, thisreview gives an overview of FRP composites' application in marine industries for various potential applications. Fibre-reinforced polymer composites offer a significant advantage in strength and weight when compared to conventional materials.

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Polyamide based amalgams in marine custom: History and forthcoming leanings

Seldon

Abilash

2021

Materials Today: Proceedings

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Composites put wind in the sails of all kinds of vessels

Cited by 5 publications

References 0 publications

End-of-Life Alternatives of Glass Reinforced Polyester Boat Hulls Compared by LCA

End-of-Life Alternatives of Glass Reinforced Polyester Boat Hulls Compared by LCA

A Review Assessment of Fiber-Reinforced Polymers for Maritime Applications

Polyamide based amalgams in marine custom: History and forthcoming leanings

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