Lightweight and anti-corrosive fiber reinforced thermoplastic rivet

Ueda, Masahiro; Ui, Naoya; Ohtani, Akio

doi:10.1016/j.compstruct.2018.01.040

Cited by 31 publications

(20 citation statements)

References 15 publications

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“…For example, landing gear doors made of thermoplastic composites have lower weight, compared to their aluminum counterparts, are weldable, and can be recycled, as opposed to those made of thermoset composites [ 68 , 351 ]. Thermoplastic composites can be used to manufacture airplane flooring [ 68 ], ice protection panels protecting the fuselage [ 351 ], various interior elements [ 351 ], rivets for fastening [ 15 , 65 ], aircraft wings [ 68 ], radomes [ 68 ], and flaps [ 68 ]. Aside from aviation, thermoplastic composites are widely used in the automotive industry [ 59 , 60 , 62 , 63 ].…”

Section: Applicationmentioning

confidence: 99%

“…This was made possible by extensive studies conducted over the last 70 years [ 3 , 4 ]. The popularity of composite materials results from their properties, such as high specific strength and stiffness [ 5 , 6 , 7 , 8 ]; improved durability [ 9 , 10 ]; high fatigue [ 11 , 12 ], chemical [ 13 , 14 ], and corrosion resistance [ 15 , 16 , 17 ]; and ease of transportation and assembly [ 18 , 19 , 20 ] of composite structures. Composite materials are produced by various processes, e.g., autoclave molding, resin transfer molding, compression molding, filament winding, and pultrusion [ 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

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Thermoplastic Pultrusion: A Review

et al. 2021

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Pultrusion is one of the most efficient methods of producing polymer composite structures with a constant cross-section. Pultruded profiles are widely used in bridge construction, transportation industry, energy sector, and civil and architectural engineering. However, in spite of the many advantages thermoplastic composites have over the thermoset ones, the thermoplastic pultrusion market demonstrates significantly lower production volumes as compared to those of the thermoset one. Examining the thermoplastic pultrusion processes, raw materials, mechanical properties of thermoplastic composites, process simulation techniques, patents, and applications of thermoplastic pultrusion, this overview aims to analyze the existing gap between thermoset and thermoplastic pultrusions in order to promote the development of the latter one. Therefore, observing thermoplastic pultrusion from a new perspective, we intend to identify current shortcomings and issues, and to propose future research and application directions.

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Section: Applicationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Thermoplastic Pultrusion: A Review

et al. 2021

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“…Starikov and Schön, carried out an experimental study of composite bolted joints with composite and metallic fasteners, subjected to quasi-static and fatigue loading [11], [12]. Recently, a light-weight and anticorrosion fibre reinforced thermoplastic fastener was manufactured and tested as an alternative to metallic fastener [13]. In that study, three types of the composite fastener with carbon fibre volume fraction of 30, 50, and 60% were manufactured.…”

Section: Introductionmentioning

confidence: 99%

Strength enhancement of bonded composite laminate joints reinforced by composite Pins

Guo

Giannopoulos

et al. 2020

Composite Structures

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This paper presents an experimental and numerical investigation in the static strength enhancement of composite laminate Single Lap bonded Joints (SLJ), reinforced by pins made of Uni-Directional (UD) fibre reinforced plastic composite materials. Bonded lap joint specimens were experimentally tested in tension to obtain the failure loads and failure modes.The specimens were subsequently benchmarked against the hybrid version of the joint resulted from the introduction of composite Pins. The Pin reinforcement enhanced the hybrid single lap joint strength by an average of 19.1% increase. Numerical models generated were used for correlation with the experimental results. Numerical and experimental results observation indicated that increased strength of the hybrid bonded/Pinned joint was partly attributed to the load sharing between the adhesive and the Pin past the adhesive failure initiation as well as to the enhanced out-of-plane bending stiffness after the Pin introduction on the lap joint.Numerical investigations were performed as well with hybrid SLJ reinforced by composite pins versus designs employing metallic Pins. The simulations showed that for the investigated lap joint design parameters, the hybrid metallic pin joint failed at a higher failure load.Nevertheless, the hybrid joint utilizing the composite Pin could benefit from the enhanced corrosion resistance properties. In the case of applying a larger composite Pin diameter and/or rearranging the fibre orientation in the Pin, the hybrid SLJs could potentially achieve higher strength characteristics before the adhesive bond ultimate failure in relation to the steel Pin, as well as resulting to additional weight saving up to 46.9%.

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“…1,3,8,9 Manufacturing processes were recently developed to join two CFRP laminates using continuous carbon or glass fiber-reinforced thermoplastic composite (TPC) rivets. [10][11][12] These rivets could take advantage of the favorable properties of aerospace grade TPCs such as high moisture resistance, high impact resistance, low flammability, and infinite shelf life. 2,[13][14][15] The riveting processes deform a TPC cylindrical rod, i.e.…”

Section: Introductionmentioning

confidence: 99%

“…To reach these forming temperatures, it is possible to use heated tooling that transfers heat to the rivet blank through contact surfaces. 10,12 Using this approach, Ueda et al formed a rivet in 45 min. The heating time to reach 265 C was 15 min, followed by a 30 min cooling time.…”

Section: Introductionmentioning

confidence: 99%

Fastening composite structures using braided thermoplastic composite rivets

Fortier

Brunel

Lebel

2019

Journal of Composite Materials

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Aerospace composite material components are currently joined using heavy titanium bolts. This joining method is not ideal when considering its weight, thermal expansion, electrical conductivity, and risk of unbalanced load distribution. We propose here an innovative fastening technology using thermoplastic composite rivets. A rivet blank is heated above its melting temperature using Joule heating and is formed directly in the composite laminates by an automated process. Carbon fiber and polyamide blanks were used with two fiber architecture: 2D braid and unidirectional. The braided architecture showed superior manufacturing performance and repeatability. Joints were riveted in less than 40 s per rivet. The temperature measured in the riveted composite laminate in the vicinity of formed rivet reached only 136℃ during riveting. Double fastener lap shear testing showed breaking load of 6146 N per fastener. This joint strength is higher than comparable aluminum-riveted joints, and the specific joint strength is higher than titanium-bolted joints. With these advantages, the technology could be developed and used in the next generations of lighter, cleaner, and safer aircraft.

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Lightweight and anti-corrosive fiber reinforced thermoplastic rivet

Cited by 31 publications

References 15 publications

Thermoplastic Pultrusion: A Review

Thermoplastic Pultrusion: A Review

Strength enhancement of bonded composite laminate joints reinforced by composite Pins

Fastening composite structures using braided thermoplastic composite rivets

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