Paper Title:
Influences of Tool pin Profile on Microstructure and Mechanical Properties of Al/Cu Composites Fabricated via Friction Stir Processing
  Abstract

Friction stir processing (FSP) was used to fabricate Al/Cu metal matrix composite (MMC). The effects of two different tool pin profiles (straight cylindrical and square) and the number of FSP passes on microstructure, tensile properties and microhardness were studied. The results indicated that good dispersion of micro-sized Cu particles, finer grains, higher tensile properties and higher microhardness, can be achieved by the square tool pin profile compared to the samples produced by the other tool. Also it was observed that the ultimate tensile strength of the samples produced by two FSP passes, as a result of Cu particles shattering, increased intensively compared to the samples fabricated with first FSP pass. Further FSP passes increased the elongation of the composites without any considerable changes in yield and ultimate tensile strength.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 9: Composite Materials II
Edited by
Wu Fan
Pages
2753-2758
DOI
10.4028/www.scientific.net/AMR.383-390.2753
Citation
A. Mostafapour Asl, S. M. Darani, M. K. B. Givi, A. Aghagol, "Influences of Tool pin Profile on Microstructure and Mechanical Properties of Al/Cu Composites Fabricated via Friction Stir Processing", Advanced Materials Research, Vols. 383-390, pp. 2753-2758, 2012
Online since
November 2011
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Price
$32.00
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