Authors
|
Preda, N. ; Costas, A. ; Lilli, M. ; Sbardella, F. ; Scheffler, C. ; Tirillò, J. ; Sarasini, F.
|
Title
|
Functionalization of basalt fibers with ZnO nanostructures by electroless deposition for improving the interfacial adhesion of basalt fibers/epoxy resin composites
|
Date
|
01.10.2021
|
Number
|
59306
|
Abstract
|
Basalt fibers were functionalized by ZnO electroless deposition for obtaining a nanostructured interphase for enhancing the interfacial strength with an epoxy resin matrix. The structural, morphological and wetting properties of the pristine basalt fabrics and ZnO-coated basalt fabrics were evaluated. The fabrics were uniformly coated with ZnO nanostructures featuring a wurtzite structure and a twin hexagonal prism morphology. The contact angle measurements revealed that ZnO prisms transformed the hydrophilic basalt fabric into a hydrophobic one (~130°). ZnOs were also grown on the basalt fibers as yarns to evaluate their interfacial adhesion by single fiber pull-out tests. The results emphasize significant improvement in the apparent interfacial shear strength (~42%) with limited degradation of the pristine basalt fiber tensile strength (a reduction of ~ 17%). Therefore, ZnO electroless deposition can be regarded as an effective route to improve the mechanical performance of basalt/epoxy composites expanding their potential range of applications as structural materials.
|
Publisher
|
Composites Part A: Applied Science and Manufacturing
|
Wikidata
|
|
Citation
|
Composites Part A: Applied Science and Manufacturing 149 (2021) 106488
|
DOI
|
https://doi.org/10.1016/J.COMPOSITESA.2021.106488
|
Tags
|
|