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Researchers at Dalian University of Technology Target Natural Science (Effect of Graphene Nanoplatelets addition on mechanical properties of pure...

August 1, 2014



Researchers at Dalian University of Technology Target Natural Science (Effect of Graphene Nanoplatelets addition on mechanical properties of pure aluminum using a semi-powder method)

By a News Reporter-Staff News Editor at Science Letter -- Fresh data on Science are presented in a new report. According to news reporting originating in Dalian, People's Republic of China, by NewsRx journalists, research stated, "In recent years, graphene has attracted considerable research interest in all fields of science due to its unique properties. Its excellent mechanical properties lead it to be used in nano-composites for strength enhancement."

The news reporters obtained a quote from the research from the Dalian University of Technology, "This paper reports an Aluminum-Graphene Nanoplatelets (Al/GNPs) composite using a semi-powder method followed by hot extrusion. The effect of GNP nano-particle integration on tensile, compressive and hardness response of Al is investigated in this paper. It is demonstrated that 0.3 wt% Graphene Nanoplatelets distributed homogeneously in the matrix aluminum act as an effective reinforcing filler to prevent deformation. Compared to monolithic aluminum (in tension), Al-0.3 wt% GNPs composite exhibited higher 0.2% yield strength (+ 14.7%), ultimate tensile strength (+ 11.1%) and lower failure strain (-40.6%). Surprisingly, compared to monolithic Al (in compression), Al-0.3 wt% GNPs composite exhibited same 0.2% compressive yield strength and lower ultimate compression strength (-7.8%), and lower failure strain (-20.2%). The Al-0.3 wt% GNPs composite exhibited higher Vickers hardness compared to monolithic aluminum (+ 11.8%)."

According to the news reporters, the research concluded: "Scanning electron microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDS) and X-ray diffraction (XRD) were used to investigate the surface morphology, elemental percentage composition, and phase analysis, respectively."

For more information on this research see: Effect of Graphene Nanoplatelets addition on mechanical properties of pure aluminum using a semi-powder method. Progress in Natural Science-Materials International, 2014;24(2):101-108. Progress in Natural Science-Materials International can be contacted at: Elsevier Science Inc, 360 Park Ave South, New York, NY 10010-1710, USA (see also Science).

Our news correspondents report that additional information may be obtained by contacting M. Rashad, Dalian University of Technology, Sch Mat Sci & Engn, Dalian 116024, People's Republic of China. Additional authors for this research include F.S. Pan, A.T. Tang and M. Asif.

Keywords for this news article include: Dalian, People's Republic of China, Asia, Aluminum, Light Metals, Science

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Science Letter


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