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Role of Nano-Sized Graphene Amine Reinforcements in Mechanical Properties of AA7076 Based MMCs

Author(s):

Nagaraj R. Banapurmath*, Adarsh Patil, Anand M. Hunashyal, Vinodkumar V. Meti, Arun Y. Patil and Ashok S. Shettar   Pages 1 - 8 ( 8 )

Abstract:


Aims: AA7076 is a well-defined alloy for its excellent physical and mechanical properties such as high strength, toughness, and low density. To reach the expectations of the automobile and aerospace industry needs, the properties of AA7076 alloy has to be improved by reinforcing nano-sized graphene amine particles.

Objectives: Synthesis and characterization of the AA7076 alloy reinforced with graphene nanofillers for different structural engineering applications.

Methods: In this present work, nano-sized graphene amine particles were added and dispersed homogeneously using a motorized stir casting technique. AA7076/graphene amine composites were prepared by varying wt.% percent of graphene amine reinforcement particles (0.5, 0.75, 1, and 1.25 wt.% (weight-percentage)).

Results: The SEM micrographs reveal the homogeneous distribution of graphene amine reinforcements along the grain boundaries of the AA7076 matrix material. The experimental test results showed that the addition of graphene amine reinforcements, the mechanical properties of the AA7076/graphene amine composite, improved as compared to the AA7076 matrix material.

Conclusion: The composite with 1 wt.% graphene amine showed higher strength and hardness as compared to other reinforcements.

Keywords:

Nanocomposite, graphene amine, homogeneous, physical and mechanical properties, alloy, AA7076/

Affiliation:

Centre for Materials Science, KLE Technological University, Hubballi, Karnataka, KLE Technological University, Hubballi, Karnataka, Centre for Materials Science, KLE Technological University, Hubballi, Karnataka, Department of A and R, KLE Technological University, Hubballi, Karnataka, KLE Technological University, Hubballi, Karnataka, KLE Technological University, Hubballi, Karnataka



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