The effect of magnetic field intensity and treatment time on graphene epoxy composites' fracture toughness

The effect of the intensity of the magnetic field and the treatment time on the fracture toughness of graphene epoxy composites is researched. Also, the mechanism of the effect of the magnetic field on the fracture toughness of graphene epoxy composites and a method to improve the impact resistance...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-07, Vol.137 (1), p.12044-12049
Main Authors: Tian, Z Q, Zhang, L, Fu, S, Yuan, R H, Dong, Z W, Ren, X M
Format: Article
Language:English
Subjects:
Bend tests
Composite materials
Fracture toughness
Graphene
Heat treating
Impact resistance
Magnetic fields
Magnetic flux
Orientation
Polymer matrix composites
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Summary:The effect of the intensity of the magnetic field and the treatment time on the fracture toughness of graphene epoxy composites is researched. Also, the mechanism of the effect of the magnetic field on the fracture toughness of graphene epoxy composites and a method to improve the impact resistance is explored. Then, three-point bending tests are employed to characterize the fracture toughness of graphene epoxy composite. The results show that the intervention of magnetic field could induce GNS to generated orientation arrangement, improving the fracture toughness of the graphene epoxy composite. When the intensity of the magnetic field was increased, the growth rate of the fracture toughness slowed. However, when 2T magnetic was used to synthetically process the material, and when the processing time was less than 50 min, the fracture toughness of the composite material increased significantly.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/137/1/012044