Abstract
In this work we1 successfully prepared aluminum-graphene composite (0.2 wt%) after 6 hrs of successful ball milling. The ball milling experiments were conducted between 2 and 6 hrs. The microstructal and spectroscopic comparison of aluminium-graphene composites were studied by evaluating properties by characterizing via XRD, FESEM, TEM, Micro Raman and microhardness. The second order disorder peak (2D) was found grow with milling time. In the Raman spectra intensity of 2D addresses about exfoliation take place of graphene in the composite. 0.2 wt% added graphene shows higher hardness than aluminium. Sintering of composites were done at 600 0C. Separation of stacking of carbon layers was confirmed from improvement of D peak in the ball milled samples. Sheet type structure of graphene was shown in TEM study. XRD confirms composite formation.
Highlights
Aluminum (Al) has attractive physical and mechanical properties with various common and industrial applications [1]
In case of Al-graphene (0.2 wt%) composites, the peaks of C and Al were found to appeared with relatively more full width at half maximum (FWHM)
Al-graphene (0.2 wt%) composites prepared by dry ball milling technique between 2 and 6 hrs
Summary
Aluminum (Al) has attractive physical and mechanical properties with various common and industrial applications [1]. Always attempt has been taken to use Al in composite form to come over its limitations In this context the future material, graphene has great impact towards improving mechanical, electrical behavior, thermal and tribologic properties of the composite compared with its pure form. *Correspondence Author Graphene has high strength, high elastic modulus, excellent electrical, thermal and optical properties, and extremely high specific surface area [12,13]. Al-graphene composite (0.2 wt%) prepared by 6 hrs of milling shows high microhardness value than pure Al
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