Friction Stir Joining of CFRP laminates with amorphous polymers: Influence of processing speeds

Lambiase, F.; Grossi, V.; Paoletti, A.

doi:10.1016/j.jmapro.2020.03.029

Cited by 14 publications

(4 citation statements)

References 25 publications

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“…( 2) to Eq. (7). All these mathematical models are incorporated during the numerical modelling and simulation of the induction heating process for the joining of the composite materials.…”

Section: Mathematical Approach To Model Induction Heating Processmentioning

confidence: 99%

“…Another promising area of joining composite materials is the solid state joining process. In this approach, [7] developed friction stir welding process for the joining of CFRP laminates with amorphous polymers. It has been concluded that the friction stir welding is successful in joining the CFRP laminates with better mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigation on induction heating process to join carbon reinforced polyamide (CF-PA6) composite sheets in the presence of metallic interlayer AA 1060 and AISI 1020

Das

2023

Preprint

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Carbon-fibre-reinforced polymers have been extensively utilized in aviation, automobile and other critical sectors owing to their high strength-to-weight ratio and excellent stiffness. In these industrial usage, the material has to undergo various processes and joining is one of such critical processes. However, the classical joining techniques such as the use of mechanical fasteners and adhesives often result in stress concentration, increased weight, and large processing times unique to each curing cycle. The current research work demonstrates the potential of induction heating for joining carbon-fibre-reinforced polyamide and the influence of the interlayer materials on the joining process. AISI 1020 and AA1060 were used as the interlayer materials for joining the composite material. Numerical investigation of the induction heating was carried out considering the influence of process parameters such as coil current and stand-off distance on magnetic flux density, temperature distribution in the interlayer material. The analysis revealed that stand off distance of 6 mm and coil current 150 A were chosen as optimal process parameters with AISI 1020 as interlayer whereas with AA1060 as interlayer, stand-off distance 2 mm and coil current 200 A were chosen to achieve uniform heating with short processing time.

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“…( 2) to Eq. (7). All these mathematical models are incorporated during the numerical modelling and simulation of the induction heating process for the joining of the composite materials.…”

Section: Mathematical Approach To Model Induction Heating Processmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation on induction heating process to join carbon reinforced polyamide (CF-PA6) composite sheets in the presence of metallic interlayer AA 1060 and AISI 1020

Das

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Friction stir lap welding, which was originally developed for welding hard-to-weld metals (such as aluminum alloys), has been extended to various combinations of materials (e.g., metal-composite, metal-polymer as well as polymer-composite). Different joining mechanisms may be involved such as the adhesion of a polymer to the fibers of the second, as shown in Figure 13b (composite material) [92,93]. In the case of metal-composite joints, the metal is generally positioned below the composite laminate.…”

Section: Friction Stir Lap Weldingmentioning

confidence: 99%

A State-of-the-Art Review on Advanced Joining Processes for Metal-Composite and Metal-Polymer Hybrid Structures

et al. 2021

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Multi-materials of metal-polymer and metal-composite hybrid structures (MMHSs) are highly demanded in several fields including land, air and sea transportation, infrastructure construction, and healthcare. The adoption of MMHSs in transportation industries represents a pivotal opportunity to reduce the product’s weight without compromising structural performance. This enables a dramatic reduction in fuel consumption for vehicles driven by internal combustion engines as well as an increase in fuel efficiency for electric vehicles. The main challenge for manufacturing MMHSs lies in the lack of robust joining solutions. Conventional joining processes, e.g., mechanical fastening and adhesive bonding involve several issues. Several emerging technologies have been developed for MMHSs’ manufacturing. Different from recently published review articles where the focus is only on specific categories of joining processes, this review is aimed at providing a broader and systematic view of the emerging opportunities for hybrid thin-walled structure manufacturing. The present review paper discusses the main limitations of conventional joining processes and describes the joining mechanisms, the main differences, advantages, and limitations of new joining processes. Three reference clusters were identified: fast mechanical joining processes, thermomechanical interlocking processes, and thermomechanical joining processes. This new classification is aimed at providing a compass to better orient within the broad horizon of new joining processes for MMHSs with an outlook for future trends.

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“…In adhesives, the joint strength depends highly on the surface energy of the base materials [10]. Therefore, other joining methods have been explored by researchers to make reliable metal-polymer joints such as laser joining [11][12][13][14], additive joining [15,16] and Friction Stir Joining (FSJ) [17][18][19]. FSJ, based on the friction stir welding concept, is claimed to include the advantages of both mechanical and chemical joining mechanisms for the metal-polymer joints.…”

Section: Introductionmentioning

confidence: 99%

Improving appearance and mechanical strength of aluminum-polypropylene/talc composite friction stir joint using a novel tool design

Shiravi

Movahedi

Ozlati

2022

Int J Adv Manuf Technol

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In this research, friction stir joining of aluminum-polypropylene/talc composite was investigated due to the numerous applications of aluminum-polymer joints in automotive and aerospace industry. A novel tool design, including a rotary/stationary holder was used to improve the appearance and mechanical performance of friction stir lap joints by preventing the mixed molten polymer and aluminum particles from exiting the stirred zone. Effect of tool transverse speed on the joint microstructure and strength was investigated. Using the rotary/stationary holder, tensile-shear strength of the joints increased (by ~45% to ~220% at various transverse speeds). Since during the tensile-shear test, all joints failed from the aluminum/stirred zone interface, joint strength was affected by the formation of anchor-like aluminum pieces in the composite substrate as the mechanical locks, reaction layer at the joint interface and large voids near the aluminum/stirred zone interface. Joining at the optimum transverse speed led to the highest tensile-shear peak load of 315 N.

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Friction Stir Joining of CFRP laminates with amorphous polymers: Influence of processing speeds

Cited by 14 publications

References 25 publications

Investigation on induction heating process to join carbon reinforced polyamide (CF-PA6) composite sheets in the presence of metallic interlayer AA 1060 and AISI 1020

Investigation on induction heating process to join carbon reinforced polyamide (CF-PA6) composite sheets in the presence of metallic interlayer AA 1060 and AISI 1020

A State-of-the-Art Review on Advanced Joining Processes for Metal-Composite and Metal-Polymer Hybrid Structures

Improving appearance and mechanical strength of aluminum-polypropylene/talc composite friction stir joint using a novel tool design

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