Quantitation of the reinforcement effect of silica nanoparticles in epoxy resins used in liquid composite moulding processes

Mahrholz, Thorsten; Stängle, J.; Sinapius, Michael

doi:10.1016/j.compositesa.2008.11.008

Cited by 157 publications

(83 citation statements)

References 16 publications

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“…The industrial curing agent used contained a certain amount of tetrahydrophthalic acid anhydride and was accelerated with 1-methyl imidazole. Mahrholz et al 40 explored achievable property improvements by nanosilica modification regarding the use of modified resins for injection techniques where low viscosities are indispensable. 40 They found a slight increase in tensile strength and an increase in the modulus with increasing nanosilica content.…”

Section: Anhydride-cured Epoxy Resinsmentioning

confidence: 99%

Epoxy resin composites with surface‐modified silicon dioxide nanoparticles: A review

Sprenger

2013

J of Applied Polymer Sci

150

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Surface-modified silica nanoparticles, 20 nm in size and with a very narrow particle size distribution, have been available as concentrates in epoxy resins in industrial quantities for the last 10 years. They can be used in epoxy resin formulations to improve many different properties, including the strength, modulus, toughness, and fatigue performance. In this review, I examine the literature published in the last decade, compare the results with a focus on the mechanical properties, and discuss the mechanisms responsible for property improvements.

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Section: Anhydride-cured Epoxy Resinsmentioning

confidence: 99%

Epoxy resin composites with surface‐modified silicon dioxide nanoparticles: A review

Sprenger

2013

J of Applied Polymer Sci

150

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“…Separate fixtures were used to measure the in-plane (K 11 and K 22 ) and the transverse (K 33 ) permeabilities. The transverse or through-thickness permeability test fixture was designed to establish one-dimensional saturated flow of fluid through the preform and is shown in Figure 3.…”

Section: Permeability Characterizationmentioning

confidence: 99%

“…Permeability characterization tests were performed in three principal directions (K 11 , K 22 , and K 33 ) directions. The transverse permeability (K 33 ) test results for glass reinforcements coated with different wt % of graphene are presented in Figure 7.…”

Section: Permeabilitymentioning

confidence: 99%

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Manufacturing and Mechanical Properties of Graphene Coated Glass Fabric and Epoxy Composites

Umer

2018

J. Compos. Sci.

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Abstract:The processing characteristics and mechanical properties of glass fabric reinforcements coated with graphene nanoparticles were investigated. Graphene was coated onto either one or both sides of a plain weave glass fabric. The coated fabrics were investigated to measure key process characterization parameters used for vacuum assisted resin transfer molding (VARTM) process which are, reinforcement compaction response, in-plane, and transverse permeability. It was found that graphene coated glass reinforcements were stiffer than the pure glass reinforcements which will have direct influence on final fiber volume fraction obtained during VARTM processing. The permeability measurement results show that the graphene coated reinforcements filled relatively slower compared with the pure glass samples. Composite samples were then tested for flexural and low velocity impact. The initial results show that the flexural modulus did not change as the wt % of graphene increases. However, a decrease in flexural strength with increasing wt % of graphene was observed. It was also observed that the coating of graphene on glass reinforcements caused delamination between plies and resisted localized damage under low velocity impact as compared to pure glass samples.

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“…and 30% respectively. Furthermore the tensile strength and flexural strength was improved by 11% and 9% respectively [20]. In addition to epoxy resins, a modified glass fiber reinforced epoxy composite (GFRP) was also looked at by Manjunatha et al Silica nanoparticles were doped at 10 wt.…”

Section: Magneto-electric Nanoparticles (Mens)mentioning

confidence: 99%

MENs Doped Adhesive and Influence on Fracture Toughness

Yang¹

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Quantitation of the reinforcement effect of silica nanoparticles in epoxy resins used in liquid composite moulding processes

Cited by 157 publications

References 16 publications

Epoxy resin composites with surface‐modified silicon dioxide nanoparticles: A review

Epoxy resin composites with surface‐modified silicon dioxide nanoparticles: A review

Manufacturing and Mechanical Properties of Graphene Coated Glass Fabric and Epoxy Composites

MENs Doped Adhesive and Influence on Fracture Toughness

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