Magnetic assembly of polymer nanocomposites and their properties

Yagmur Atescan, Mychal P. Spencer, Namiko Yamamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Nanoparticle assembly using oscillating magnetic fields at low frequencies is a scalable manufacturing method to tailor nanostructures within polymer matrices to provide effective multi-functional properties. Scalability and precise structuring of the nanoparticles in a fast and energy-efficient manner is a promising solution to the bulk fabrication of polymer nanocomposites (PNCs) to enhance mechanical, electrical and thermal properties. Thus, active assembly of nanoparticles using oscillating magnetic fields is studied here to evaluate its effectiveness on controllable and homogeneous assemblies of nanoparticles within a polymer matrix. In previous studies [1-3], parametrical evaluation of critical manufacturing parameters and their ranges on the assembly of iron oxide nanoparticles in low and high viscosity matrices, and the effectiveness of surface treatment on particle dispersion and suspension have been studied. This study presents continued experimental work on nanoparticle assembly using oscillating magnetic fields and the investigation of structure-property relationships of PNCs. In order to characterize the nanoparticle structures within the fabricated PNC samples, MicroCT inspections are performed. In addition, to investigate the structure-property relationships of the fabricated PNCs which consist of iron oxide nanoparticles in a thermoset matrix (Epon 862/Epikure W), electrical and thermal conductivities are measured in the axial (parallel to the applied magnetic field direction) and transverse (perpendicular to the applied magnetic field direction) directions. A preliminary study was conducted about the fabrication of magnetically-responsive elastomeric composites (magnetoelastomers); the assembly of iron oxide nanoparticles is studied in a high viscosity elastomeric matrix (polydimethylsiloxane, PDMS, 800 cP). After controlled hierarchical organization of the nanoparticles in the elastomeric matrix is achieved, triaxial assembly will be studied in order to advance knowledge regarding the three-dimensional magnetic structuring of nanoparticles for fabrication of magnetoelastomers with tailorable properties.

Original languageEnglish (US)
Title of host publicationAIAA Scitech 2019 Forum
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105784
DOIs
StatePublished - Jan 1 2019
EventAIAA Scitech Forum, 2019 - San Diego, United States
Duration: Jan 7 2019Jan 11 2019

Publication series

NameAIAA Scitech 2019 Forum

Conference

ConferenceAIAA Scitech Forum, 2019
CountryUnited States
CitySan Diego
Period1/7/191/11/19

Fingerprint

Nanocomposites
Nanoparticles
Polymers
Magnetic fields
Iron oxides
Polymer matrix
Fabrication
Viscosity
Thermosets
Composite materials
Polydimethylsiloxane
Surface treatment
Scalability
Nanostructures
Thermal conductivity
Electric properties
Thermodynamic properties
Inspection
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

Cite this

Atescan, Y., Spencer, M. P., & Yamamoto, N. (2019). Magnetic assembly of polymer nanocomposites and their properties. In AIAA Scitech 2019 Forum (AIAA Scitech 2019 Forum). American Institute of Aeronautics and Astronautics Inc, AIAA. https://doi.org/10.2514/6.2019-1695
Atescan, Yagmur ; Spencer, Mychal P. ; Yamamoto, Namiko. / Magnetic assembly of polymer nanocomposites and their properties. AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, 2019. (AIAA Scitech 2019 Forum).
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Atescan, Y, Spencer, MP & Yamamoto, N 2019, Magnetic assembly of polymer nanocomposites and their properties. in AIAA Scitech 2019 Forum. AIAA Scitech 2019 Forum, American Institute of Aeronautics and Astronautics Inc, AIAA, AIAA Scitech Forum, 2019, San Diego, United States, 1/7/19. https://doi.org/10.2514/6.2019-1695

Magnetic assembly of polymer nanocomposites and their properties. / Atescan, Yagmur; Spencer, Mychal P.; Yamamoto, Namiko.

AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, 2019. (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Atescan Y, Spencer MP, Yamamoto N. Magnetic assembly of polymer nanocomposites and their properties. In AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA. 2019. (AIAA Scitech 2019 Forum). https://doi.org/10.2514/6.2019-1695