Metal matrix nano composites using graphene nano platelets indented on copper particles in aluminium matrix

Rachit Ranjan, Nirmal Kumar Singh*, Anand Prakash Jaiswal, Vivek Bajpai

Department of Mechanical Engineering, Indian Institute of Technology (ISM), Dhanbad, 826004, India

Adv. Mater. Lett., 2018, 9 (9), pp 652-655

DOI: 10.5185/amlett.2018.2078

Publication Date (Web): Jun 14, 2018

E-mail: nksingh221@gmail.com

Abstract


Aluminium matrix composite was prepared by using an innovative approach of using graphene indent on copper particles as inforcement material. The reinforcement was mixed and ball milled for 30 and 60 min respectively to get proper sight of copper fracture where graphene (GNP) can be embedded. The reinforcement was also milled for 30 minutes to get uniform distribution of reinforcement in powder state. Casting technique was used with argon gas environment and mechanical stirrer to get final composite material. The morphological analysis has shown proper indent of graphene with Al-Cu and Cu-GNP interface. The composite so formed has micro hardness of 87 HV with an increment of 36.78% whereas yield strength and ultimate tensile strength have increased by 36.67% and 37.162% respectively.

Keywords

Metal matrix, nanocomposites, graphene nanoplatelets (GNP), aluminium matrix.

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