Enhanced Wave Absorption and Mechanical Properties of Cobalt Sulfide/PVDF Composite Materials.

Abstract:

:A cobalt sulfide/PVDF(Polyvinylidene Fluoride) composite was prepared by a simple blending method, and the microstructure of the composite was investigated through X-ray diffraction, scanning electron microscopy, and field emission scanning electron microscopy. Increased absorption properties at frequencies ranging from 2 GHz to 18 GHz were studied, and the mechanical properties were investigated via tensile tests and finite element method simulations. The results indicated that the cobalt sulfide/PVDF composites exhibited strong microwave absorption intensities (-43 dB at 6.6 GHz) with a low filler loading (5.0 wt%). The elastic modulus increased with the cobalt sulfide mass fraction. Cobalt sulfide could improve the mechanical properties of the composite, especially in the lengthwise direction.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Wu Q,Wu J,Wang GS,Zhang HZ,Gao HJ,Shui WJ

doi

10.1038/s41598-019-47037-3

subject

Has Abstract

pub_date

2019-07-19 00:00:00

pages

10488

issue

1

issn

2045-2322

pii

10.1038/s41598-019-47037-3

journal_volume

9

pub_type

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