A method for quantifying relative interfacial shear stress in MWNT/polymer composites

R. K. Duncan*, L. S. Schadler, R. Andrews, L Catherine Brinson, Xinqi Chen, I. Beyerlein

*Corresponding author for this work

Research output: Contribution to conferencePaper

Abstract

In order to better understand the micromechanical behavior of carbon nanotube filled polymers, the load transfer behavior and interfacial shear stress must be quantified. This paper presents preliminary work on an experimental technique for quantifying the relative interfacial shear stress in multi-walled carbon nanotube / polycarbonate composites. The procedure provides a comparison of the aspect ratio of the nanotubes pulled from a fracture surface. In addition, the correlation with pullout angle is discussed. This work showed a decrease in the aspect ratio and thus an increase in interfacial shear as a result of chemical surface modification to multiwall nanotubes.

Original languageEnglish (US)
Pages2181-2185
Number of pages5
StatePublished - Sep 28 2007
EventSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007 - Cincinnati, OH, United States
Duration: May 6 2007May 11 2007

Other

OtherSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007
CountryUnited States
CityCincinnati, OH
Period5/6/075/11/07

Fingerprint

Carbon Nanotubes
polycarbonate
Nanotubes
Shear stress
Aspect ratio
Carbon nanotubes
Polymers
Filled polymers
Composite materials
Polycarbonates
Surface treatment
Loads (forces)

Keywords

  • Interfacial shear strength(ISS)
  • Multi-walled carbon nanotubes
  • Polycarbonate

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics

Cite this

Duncan, R. K., Schadler, L. S., Andrews, R., Brinson, L. C., Chen, X., & Beyerlein, I. (2007). A method for quantifying relative interfacial shear stress in MWNT/polymer composites. 2181-2185. Paper presented at Society of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007, Cincinnati, OH, United States.
Duncan, R. K. ; Schadler, L. S. ; Andrews, R. ; Brinson, L Catherine ; Chen, Xinqi ; Beyerlein, I. / A method for quantifying relative interfacial shear stress in MWNT/polymer composites. Paper presented at Society of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007, Cincinnati, OH, United States.5 p.
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Duncan, RK, Schadler, LS, Andrews, R, Brinson, LC, Chen, X & Beyerlein, I 2007, 'A method for quantifying relative interfacial shear stress in MWNT/polymer composites' Paper presented at Society of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007, Cincinnati, OH, United States, 5/6/07 - 5/11/07, pp. 2181-2185.

A method for quantifying relative interfacial shear stress in MWNT/polymer composites. / Duncan, R. K.; Schadler, L. S.; Andrews, R.; Brinson, L Catherine; Chen, Xinqi; Beyerlein, I.

2007. 2181-2185 Paper presented at Society of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007, Cincinnati, OH, United States.

Research output: Contribution to conferencePaper

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T1 - A method for quantifying relative interfacial shear stress in MWNT/polymer composites

AU - Duncan, R. K.

AU - Schadler, L. S.

AU - Andrews, R.

AU - Brinson, L Catherine

AU - Chen, Xinqi

AU - Beyerlein, I.

PY - 2007/9/28

Y1 - 2007/9/28

N2 - In order to better understand the micromechanical behavior of carbon nanotube filled polymers, the load transfer behavior and interfacial shear stress must be quantified. This paper presents preliminary work on an experimental technique for quantifying the relative interfacial shear stress in multi-walled carbon nanotube / polycarbonate composites. The procedure provides a comparison of the aspect ratio of the nanotubes pulled from a fracture surface. In addition, the correlation with pullout angle is discussed. This work showed a decrease in the aspect ratio and thus an increase in interfacial shear as a result of chemical surface modification to multiwall nanotubes.

AB - In order to better understand the micromechanical behavior of carbon nanotube filled polymers, the load transfer behavior and interfacial shear stress must be quantified. This paper presents preliminary work on an experimental technique for quantifying the relative interfacial shear stress in multi-walled carbon nanotube / polycarbonate composites. The procedure provides a comparison of the aspect ratio of the nanotubes pulled from a fracture surface. In addition, the correlation with pullout angle is discussed. This work showed a decrease in the aspect ratio and thus an increase in interfacial shear as a result of chemical surface modification to multiwall nanotubes.

KW - Interfacial shear strength(ISS)

KW - Multi-walled carbon nanotubes

KW - Polycarbonate

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Duncan RK, Schadler LS, Andrews R, Brinson LC, Chen X, Beyerlein I. A method for quantifying relative interfacial shear stress in MWNT/polymer composites. 2007. Paper presented at Society of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007, Cincinnati, OH, United States.