An investigation on the tensile properties and micro-structure of hybrid metal matrix composites
by V. Suresh; N. Hariharan; S. Vellingiri
International Journal of Materials and Product Technology (IJMPT), Vol. 56, No. 1/2, 2018

Abstract: In recent years, aluminium metal matrix composites (AMMCs) have emerged as a promising high class of materials. Metal matrix composites are emerging as very promising materials especially in the fields of aerospace, electrical, electronics and automotive for their various applications and technical demanding properties. In the present work, a brave is consummate to prepare and compare the tensile properties of LM25-Gr and LM25-graphite/boron carbide (B₄C) hybrid composites. The composites were primed to make use of stir casting process in which quantity of reinforcement is speckled from 4 wt% of Gr and 3 wt% of B₄C. The prepared composites are characterised by micro-structural studies and tensile properties were estimated as per the standards. The microphotographs of the composites revealed the reasonably homogeneous supply of the particles in composites with a group at a small number of places. The dispersed graphite and B₄C in LM25 alloy contributed in enhancing the tensile strength of the composites. The SEM of the illustration specifies the homogeneous supply of the reinforcement particles in the matrix without any annulled.

Online publication date: Sun, 07-Jan-2018

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