The effect of ball milling & reinforcement percentage on sintered samples of aluminium alloy metal matrix composites

Ashwath Pazhani, M. Anthony Xavior

Research output: Contribution to journalConference articlepeer-review

53 Citations (Scopus)

Abstract

SiC, Al2O3 and Graphene are the major reinforcement in aluminium-based composites, which have been developing rapidly in recent years. This paper focuses on the effect of ball milling & reinforcement percentage on mechanical properties of aluminium alloy metal matrix composites. The average particle size of matrix metal is 10 microns and reinforcements used are SiC, Al2O3 and Graphene of particle size 10 microns and 10 Nano microns. Sintering temperature of 550 oC and time in the range of 10-15 min was used to sinter the compacts. It has been concluded that as the fine particle size resulted in good compact densities at 650 Mpa of compaction pressure. The green compact has cracked and failed because of two factors such as reinforcement percentage and rate of heating. Based on the findings, the reinforcement percentage is optimized to wt 10% or less than wt 10%.
Original languageEnglish
Pages (from-to)1027-1032
Number of pages6
JournalProcedia Engineering
Volume97
DOIs
Publication statusPublished - 30 Dec 2014
Externally publishedYes
Event12th Global Congress on Manufacturing and Management, GCMM 2014 - Vellore, India
Duration: 8 Dec 201410 Dec 2014

Keywords

  • Metal Matrix Composites AA 2900
  • Microwave Sintering
  • Graphene
  • Al2O3
  • SiC

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