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Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites
Fadavi Boostani, A.; Yazdani, S.; Taherzadeh Mousavian, R.; Brabazon, Dermot
Uniform dispersion of SiC nanoparticles with a high propensity to agglomerate within a thixoformed aluminium matrix was attained using a graphene encapsulating approach. The analytical model devised in this study has demonstrated the significant role of shear lag and thermally activated dislocation mechanisms in strengthening aluminium metal matrix composites due to the exceptional negative thermal expansion coefficient of graphene sheets. This, in turn, triggers the pinning capacity of nano-sized rod-liked aluminium carbide, prompting strong interface bonding for SiC nanoparticles with the matrix, thereby enhancing tensile elongation.
Keyword(s): Materials; Mechanical engineering; M Metal matrix composites; Graphene sheets; Strengthening mechanisms; Fracture
Publication Date:
2015
Type: Other
Peer-Reviewed: Unknown
Language(s): English
Institution: Dublin City University
Citation(s): Fadavi Boostani, A., Yazdani, S., Taherzadeh Mousavian, R. and Brabazon, Dermot ORCID: 0000-0003-3214-6381 <https://orcid.org/0000-0003-3214-6381> (2015) Strengthening mechanisms of graphene sheets in aluminium matrix nanocomposites. Materials & Design, 88 . pp. 983-989. ISSN 0264-1275
Publisher(s): Elsevier
File Format(s): application/pdf
Related Link(s): http://doras.dcu.ie/21077/1/Alireza_Reza_MandD_2015.pdf,
http://dx.doi.org/10.1016/j.matdes.2015.09.063
First Indexed: 2017-11-30 06:15:58 Last Updated: 2019-02-09 06:19:09