2017
DOI: 10.1007/s11051-017-3831-9
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Effects of Al(OH)O nanoparticle agglomerate size in epoxy resin on tension, bending, and fracture properties

Abstract: Several epoxy Al(OH)O (boehmite) dispersions in an epoxy resin are produced in a kneader to study the mechanistic correlation between the nanoparticle size and mechanical properties of the prepared nanocomposites. The agglomerate size is set by a targeted variation in solid content and temperature during dispersion, resulting in a different level of stress intensity and thus a different final agglomerate size during the process. The suspension viscosity was used for the estimation of stress energy in laminar s… Show more

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Cited by 35 publications
(27 citation statements)
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“…Though, the results are in accordance with the dynamic light scattering measurements, indicating that particle distributions and agglomerate sizes for both particle configurations are roughly the same. Results presented in previous work [17], showing that especially the tensile strength depends on agglomerate size, substantiate this statement.…”
Section: Tensile Tests Resultssupporting
confidence: 82%
See 2 more Smart Citations
“…Though, the results are in accordance with the dynamic light scattering measurements, indicating that particle distributions and agglomerate sizes for both particle configurations are roughly the same. Results presented in previous work [17], showing that especially the tensile strength depends on agglomerate size, substantiate this statement.…”
Section: Tensile Tests Resultssupporting
confidence: 82%
“…Thus, the possibility of particles forming agglomerates increases. The influence of agglomeration on the mechanical properties of epoxy/boehmite composites is summarized in previous studies [17]. The particle-matrix interaction can also be affected by a reactive surface modification producing strong adhesive bonds between particle and matrix, improving the interfacial stress transfer.…”
Section: Boehmitementioning
confidence: 97%
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“…Here, boehmite nanoparticles are added to an uncured monomeric epoxy resin in order to improve the mechanical properties [ 8 ] of the matrix material since they often limit the mechanical performance of fiber reinforced composites. The key obstacle in this field is the fact that the beneficial effect on the mechanical properties comes with the disadvantage of a steep increase in viscosity, which has a strong effect on the processing [ 8 , 9 ] of the material and impedes the injection of the uncured epoxy resin into the fiber layers during impregnation. Studies on the material system, which is regarded in this study, show that difficulties during impregnation arise from shortened flow-length of the material in the fiber layers.…”
Section: Introductionmentioning
confidence: 99%
“…The application of nanoparticles with customized properties is common in a variety of industries [1][2][3][4]. The combination of nanoscale and material dependent characteristics is often the basis for innovations and enhanced product performances.…”
Section: Introductionmentioning
confidence: 99%