Polymer/Halloysite nanotubes composites: Mechanical robustness and optical transmittance

Kenan Song; Michael F. Rubner; Robert E. Cohen; Khalid A. Askar

doi:10.1557/adv.2016.629

Polymer/Halloysite nanotubes composites: Mechanical robustness and optical transmittance

Kenan Song, Michael F. Rubner, Robert E. Cohen, Khalid A. Askar

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Halloysite nanotubes (HNTs) have attracted attention for their potential use in a variety of applications owing to their mechanical robustness, thermal stability, natural abundance and low cost. The inclusion of HNTs into epoxy matrix at low concentrations was found to be effective in stiffening and hardening. At 1 vol% loading, composites showed improvements up to 50% in modulus and 100% in hardness compared to pure epoxy, based on nanoindentation measurements. In addition, tribology studies using TriboIndenter and AFM showed an increase of wear resistance; depending on their orientation in the composite, HNTs can decrease the scratch volume by 50% at fixed loading levels. Adding HNTs into epoxy had almost no effect on the transmittance over the range of wavelength from 400 to 700 nm. Transmittance values of 91% were observed for HNT concentrations as high as 10 vol%.

Original language	English (US)
Pages (from-to)	27-32
Number of pages	6
Journal	MRS Advances
Volume	2
Issue number	1
DOIs	https://doi.org/10.1557/adv.2016.629
State	Published - 2017
Externally published	Yes

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials
General Materials Science
Condensed Matter Physics

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title = "Polymer/Halloysite nanotubes composites: Mechanical robustness and optical transmittance",

abstract = "Halloysite nanotubes (HNTs) have attracted attention for their potential use in a variety of applications owing to their mechanical robustness, thermal stability, natural abundance and low cost. The inclusion of HNTs into epoxy matrix at low concentrations was found to be effective in stiffening and hardening. At 1 vol% loading, composites showed improvements up to 50% in modulus and 100% in hardness compared to pure epoxy, based on nanoindentation measurements. In addition, tribology studies using TriboIndenter and AFM showed an increase of wear resistance; depending on their orientation in the composite, HNTs can decrease the scratch volume by 50% at fixed loading levels. Adding HNTs into epoxy had almost no effect on the transmittance over the range of wavelength from 400 to 700 nm. Transmittance values of 91% were observed for HNT concentrations as high as 10 vol%.",

author = "Kenan Song and Rubner, {Michael F.} and Cohen, {Robert E.} and Askar, {Khalid A.}",

note = "Funding Information: This work was funded under by Masdar Institute of Science and Technology, and MIT. Publisher Copyright: {\textcopyright} 2016 Materials Research Society.",

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AU - Rubner, Michael F.

AU - Cohen, Robert E.

AU - Askar, Khalid A.

PY - 2017

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Polymer/Halloysite nanotubes composites: Mechanical robustness and optical transmittance

Abstract

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