Electrical and Mechanical Properties of Epoxy Composites Reinforced with Kaolin-Coated Basalt Fibers 


Vol. 24,  No. 1, pp. 95-108, Jan.  2023
10.1007/s12221-023-00070-6


PDF
  Abstract

Basalt fiber (BF) is appropriately used for manufacturing insulating rods because of its excellent aging resistance, high temperature resistance, electrical insulation, and mechanical strength. However, due to the inert structure on the surface of the fiber, the close bonding between the fiber and the resin is hindered. The low bonding strength of the fiber/resin interface will significantly reduce the mechanical and insulation properties of the composite, which limits its application in electrical equipment such as insulating rods and insulators. Therefore, this paper attempts to improve the surface roughness of BF by using Kaolin to strengthen the bonding strength between BF and matrix resin, and analyze and study the mechanical and insulation properties of the composites before and after modification. The Kaolin content coated on BF ranged from 0.5 to 2 wt%, and the composites modified by 1.5wt%Kaolin (1.5-wt%-K-BFRP) exhibited excellent electrical insulation and mechanical performance. Compared with untreated BFRP, the electrical breakdown strength and flashover voltage of 1.5-wt%-K-BFRP increased by 18.49% and 10.69%, elevated to the 20.57 kV/mm and 13.04 kV, respectively, and the dielectric loss decreased by 49%, down to 0.83%. The above results indicate that modified BFRP has excellent insulation strength and is suitable for the manufacture of insulating devices. Furthermore, the bending strength, bending modulus, tensile strength, and interlayer shear strength of 1.5-wt%-K-BFRP increased by 67.59%, 21%, 14.56%, and 103.7%, respectively, compared with untreated BFRP, reach to 465.17 MPa, 31.49 GPa, 562.3 MPa, 26.44 MPa.

  Statistics
Cumulative Counts from November, 2022
Multiple requests among the same browser session are counted as one view. If you mouse over a chart, the values of data points will be shown.


  Cite this article

[IEEE Style]

H. Liu, "Electrical and Mechanical Properties of Epoxy Composites Reinforced with Kaolin-Coated Basalt Fibers," Fibers and Polymers, vol. 24, no. 1, pp. 95-108, 2023. DOI: 10.1007/s12221-023-00070-6.

[ACM Style]

Hechen Liu. 2023. Electrical and Mechanical Properties of Epoxy Composites Reinforced with Kaolin-Coated Basalt Fibers. Fibers and Polymers, 24, 1, (2023), 95-108. DOI: 10.1007/s12221-023-00070-6.

Search
(IN TITLE, AUTHOR, ABSTRACT,KEYWORDS)

Advanced Search ▼

POPULAR KEYWORDS
(TOP 10 KEYWORDS)

Recent Publications
(LAST 3 YEARS)

pISSN : 1229 - 9197
eISSN : 1875 - 0052

Impact Factor(2022): 2.5