Porosity characterization and respective influence on short-beam strength of advanced composite processed by resin transfer molding and compression molding

Santos, Ana Carolina Mendes Quintanilha Silva; Monticeli, Francisco Maciel; Ornaghi, Heitor Luiz; Santos, Luis Felipe de Paula; Cioffi, Maria Odila Hilário

doi:10.1177/0967391120968452

Cited by 11 publications

(4 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…RTM allows for the manufacturing of versatile structures carried out in a closed system. Super-MWCNT arrays were synthesized with iron as the catalyst and acetylene as the precursor in a silicon wafer with a low-pressure chemical vapor deposition system [ 97 ]. From super-aligned arrays, CNTs were drawn and joined end-to-end by Van der Waals forces to create a continuous and aligned CNT sheet.…”

Section: Fabrication Technique Involved In Carbon Nanotube Polymermentioning

confidence: 99%

Fabrication, Functionalization, and Application of Carbon Nanotube-Reinforced Polymer Composite: An Overview

et al. 2021

View full text Add to dashboard Cite

A novel class of carbon nanotube (CNT)-based nanomaterials has been surging since 1991 due to their noticeable mechanical and electrical properties, as well as their good electron transport properties. This is evidence that the development of CNT-reinforced polymer composites could contribute in expanding many areas of use, from energy-related devices to structural components. As a promising material with a wide range of applications, their poor solubility in aqueous and organic solvents has hindered the utilizations of CNTs. The current state of research in CNTs—both single-wall carbon nanotubes (SWCNT) and multiwalled carbon nanotube (MWCNT)-reinforced polymer composites—was reviewed in the context of the presently employed covalent and non-covalent functionalization. As such, this overview intends to provide a critical assessment of a surging class of composite materials and unveil the successful development associated with CNT-incorporated polymer composites. The mechanisms related to the mechanical, thermal, and electrical performance of CNT-reinforced polymer composites is also discussed. It is vital to understand how the addition of CNTs in a polymer composite alters the microstructure at the micro- and nano-scale, as well as how these modifications influence overall structural behavior, not only in its as fabricated form but also its functionalization techniques. The technological superiority gained with CNT addition to polymer composites may be advantageous, but scientific values are here to be critically explored for reliable, sustainable, and structural reliability in different industrial needs.

show abstract

Section: Fabrication Technique Involved In Carbon Nanotube Polymermentioning

confidence: 99%

Fabrication, Functionalization, and Application of Carbon Nanotube-Reinforced Polymer Composite: An Overview

et al. 2021

View full text Add to dashboard Cite

show abstract

“…The low matrix volume fraction probably destroys the mechanical properties of composite laminates. Santos et al 38 highlighted a decline of 27% in ILSS caused by the presence of macroporosity that induced crack initiation and connection of different delamination plies, causing the speeding up of crack propagation and jump of the interlaminar layer.…”

Section: S911mentioning

confidence: 99%

Cure kinetics and autoclave-pressure dependence on physical and mechanical properties of woven carbon/epoxy 8552S/AS4 composite laminates

Baghad

Mabrouk

Vaudreuil

et al. 2021

Polymers and Polymer Composites

View full text Add to dashboard Cite

The final mechanical properties of composite laminates are highly dependent on their curing cycles in the autoclave. During this cycle, the temperature, pressure, vacuum, and treatment time will influence the quality of manufactured parts. The void content is considered the most harmful defects in carbon/epoxy laminates since they weaken the matrix-dominated mechanical properties such as interlaminar shear and compressive strengths. In the present work, differential scanning calorimetry is used to characterize the influence of time/temperature on the behavior of the epoxy resin. Then, a series of [0/90/−45/+45]s laminates composites are autoclave-cured under various applied pressures to evaluate their impact on microstructure and mechanical properties. The interlaminar shear modulus, interlaminar shear strength, laminate compressive modulus, and laminate compressive strength at room and operating engine temperature were measured. The correlation between microstructure and mechanical properties was also studied. The mechanical properties of manufactured carbon/epoxy laminates are found to be dependent on pressure and microstructure. These results are explored to establish an optimal autoclave pressure route that would minimize porosity without counterbalancing mechanical properties.

show abstract

“…Relying on traditional process methods, it is difficult to meet the above technical and efficiency requirements of complex high-performance CFRTPCs. The traditional process methods for preparing CFRTPCs (such as compression molding [6], resin transfer molding [6], automated winding/placement [7], autoclave molding [8], etc., as shown in Figure 2) are excessively dependent on the forming die, with high manufacturing costs and slow response speeds. However, with the continuous promotion and application of composite materials, the design of the appearance of products is becoming increasingly complex, the accuracy requirement is becoming higher, and the market rapid response and lightweight requirement are becoming more stringent.…”

Section: Introductionmentioning

confidence: 99%

“…Applying 3D printing technology to the field of forming CFRTPCs can fully leverage the manufacturing advantages of 3D printing and the performance advantages of composite materials [11], which can truly achieve the transformation of the design and manufacturing philosophy of CFRTPCs from "design for manufacturing" to "manufacturing for design". Fused deposition modeling (FDM) is a widely used 3D printing method due The traditional process methods for preparing CFRTPCs (such as compression molding [6], resin transfer molding [6], automated winding/placement [7], autoclave molding [8], etc., as shown in Figure 2) are excessively dependent on the forming die, with high manufacturing costs and slow response speeds. However, with the continuous promotion and application of composite materials, the design of the appearance of products is becoming increasingly complex, the accuracy requirement is becoming higher, and the market rapid response and lightweight requirement are becoming more stringent.…”

Section: Introductionmentioning

confidence: 99%

Research Status of and Prospects for 3D Printing for Continuous Fiber-Reinforced Thermoplastic Composites

Yang,

Chang

et al. 2023

Polymers

View full text Add to dashboard Cite

Continuous fiber-reinforced thermoplastic composites (CFRTPCs) have advantages such as high specific strength, high specific modulus, corrosion resistance, and recyclability and are widely used in the fields of aerospace, rail transit, new energy, and so on. However, traditional methods for preparing CFRTPCs, such as placement and molding, rely more on forming molds, resulting in high manufacturing costs and a slow response speed, which limits the promotion and application of the new generation of CFRTPCs with complex configurations and designable performance. Three-dimensional printing can efficiently create products with multiple materials, complex structures, and integrated functions, introducing new ways and opportunities for the manufacturing of CFRTPCs. However, poor mechanical properties are the bottleneck problem in achieving 3D printing of CFRTPCs. This paper summarizes the research status of the fused deposition modeling (FDM) 3D printing process and the corresponding mechanical properties of CFRTPCs. The focus is on analyzing the influences of the FDM process parameters, such as the material type, printing temperature, speed parameters, layer thickness, scanning space, stacking direction, and fiber volume content, on the mechanical properties of CFRTPCs. Finally, the main problems and future prospects of current CFRTPCs-FDM are analyzed and forecasted, providing new references and ideas for 3D printing of high-performance CFRTPCs.

show abstract

Porosity characterization and respective influence on short-beam strength of advanced composite processed by resin transfer molding and compression molding

Cited by 11 publications

References 37 publications

Fabrication, Functionalization, and Application of Carbon Nanotube-Reinforced Polymer Composite: An Overview

Fabrication, Functionalization, and Application of Carbon Nanotube-Reinforced Polymer Composite: An Overview

Cure kinetics and autoclave-pressure dependence on physical and mechanical properties of woven carbon/epoxy 8552S/AS4 composite laminates

Research Status of and Prospects for 3D Printing for Continuous Fiber-Reinforced Thermoplastic Composites

Contact Info

Product

Resources

About