Mechanical strength of boron nitride nanotube-polymer interfaces
Abstract
We investigate the mechanical strength of boron nitride nanotube (BNNT) polymer interfaces by using in situ electron microscopy nanomechanical single-tube pull-out techniques. The nanomechanical measurements show that the shear strengths of BNNT-epoxy and BNNT-poly(methyl methacrylate) interfaces reach 323 and 219 MPa, respectively. Molecular dynamics simulations reveal that the superior load transfer capacity of BNNT-polymer interfaces is ascribed to both the strong van der Waals interactions and Coulomb interactions on BNNT-polymer interfaces. The findings of the extraordinary mechanical strength of BNNT-polymer interfaces suggest that BNNTs are excellent reinforcing nanofiller materials for light-weight and high-strength polymer nanocomposites.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Dec 21, 2015
- Source ID
- 10.1063/1.4936755
Entities
People
- Catharine C. Fay
- Changhong Ke
- Cheol Young Park
- Liuyang Zhang
- Xianqiao Wang
- Xiaoming Chen
Organizations
- Air Force Office of Scientific Research
- Binghamton University
- Division of Civil, Mechanical & Manufacturing Innovation
- Langley Research Center
- University of Georgia
- University of Virginia