The Mechanical, Dielectric, and EMI Shielding Properties of Nickel Ferrite (NiF)/Graphene (Gr)-Doped Epoxy Composites

被引：9
|
作者：
Manobalan, S. [1 ]
Mahender, C. [2 ]
Babu, Rajan D. [1 ]
Rahaman, Ariful [3 ]
Sreekanth, M. S. [3 ]
Sharma, Devansh [4 ]
Bose, Suryasarathi [4 ]
Sumangala, T. P. [1 ]
机构：
[1] Vellore Inst Technol, Sch Adv Sci, Dept Phys, Vellore 632014, Tamil Nadu, India
[2] Siksha O Anusandhan Deemed Univ, Dept Mech Engn, Khandagiri Sq, Bhubaneswar 751030, Odisha, India
[3] Vellore Inst Technol, Sch Mech Engn, Vellore 632014, Tamil Nadu, India
[4] Indian Inst Sci, Dept Mat Engn, CV Raman Ave, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2022年 / 32卷 / 10期
关键词：
Nickel ferrite; Graphene composites; Epoxy resin; Electrical conductivity; Electromagnetic interference shielding; Tensile strength; ELECTRICAL-PROPERTIES; GRAPHENE; CARBON; NANOCOMPOSITES; FILM; CONDUCTIVITY; PERFORMANCE; FIELD;
D O I：
10.1007/s10904-022-02419-5
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The effect of the filler content and concentration on the structural, electrical, mechanical, and electromagnetic interference shielding effectiveness (SE) is reported in epoxy (Ep)/Graphene (Gr)/Nickel ferrite (NiF) based hybrid composite. The paper also presents the use of nickel ferrite in achieving magnetic alignment using a low magnetic field (0.165 T). The effect of magnetic alignment on the properties of the composites is also studied. The graphene content in Ep/Gr composite is varied systematically to obtain electrical percolation. A percolation threshold value of 1% was obtained using a simple solution-based processing technique. The dielectric and magnetic loss enhancement with the addition of magnetic nanoparticles of nickel ferrite was attempted. Dielectric and magnetic loss is studied based on the permittivity and permeability measurement in the frequency range 8.2-12.4 GHz. Total SE in this frequency range is studied and the effect of the filler content and magnetic alignment on SE is discussed.
引用
收藏
页码：4077 / 4091
页数：15
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