Sadhana

, Volume 37, Issue 5, pp 579–586 | Cite as

Microstructure and microhardness of AA1050/TiC surface composite fabricated using friction stir processing

Article

Abstract

Friction stir processing (FSP) has been developed by several researchers to produce an upper surface modification of metallic materials. The fabrication of TiC particulate (~2 \(\upmu \)m) reinforced aluminum matrix composite (AMC) using FSP is studied in this paper. The measured content of TiC powders were compacted into a groove of 0.5 mm × 5.5 mm. A single pass FSP was carried out using a tool rotational speed of 1600 rpm, processing speed of 60 mm/min and axial force of 10 kN. A tool made of HCHCr steel, oil hardened to 62 HRC, having a cylindrical profile was used in this study. The microstructure and microhardness of the fabricated AMC were analysed. Scanning Electron Microscope (SEM) micrographs revealed a uniform distribution of TiC particles which were well-bonded to the matrix alloy. The hardness of the AMC increased by 45% higher than that of the matrix alloy.

Keywords

Surface composite friction stir processing TiC 

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Copyright information

© Indian Academy of Sciences 2012

Authors and Affiliations

  • A THANGARASU
    • 1
  • N MURUGAN
    • 2
  • I DINAHARAN
    • 3
  • S J VIJAY
    • 3
  1. 1.Department of Mechanical EngineeringSri Ramakrishna Institute of TechnologyCoimbatoreIndia
  2. 2.Department of Mechanical EngineeringCoimbatore Institute of TechnologyCoimbatoreIndia
  3. 3.School of Mechanical SciencesKarunya UniversityCoimbatoreIndia

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