3-Dimensional Microstructural Evaluation of Wear-Induced Layer in Al–Al<sub>3</sub>Ti Functionally Graded Materials by Serial Sectioning

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  • Sato Hisashi
    Graduate School of Engineering, Nagoya Institute of Technology
  • Noda Yusuke
    Graduate School of Engineering, Nagoya Institute of Technology
  • Watanabe Yoshimi
    Graduate School of Engineering, Nagoya Institute of Technology

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  • 3-Dimensional Microstructural Evaluation of Wear-Induced Layer in Al-Al₃Ti Functionally Graded Materials by Serial Sectioning
  • 3-Dimensional Microstructural Evaluation of Wear-Induced Layer in Al&ndash;Al<sub>3</sub>Ti Functionally Graded Materials by Serial Sectioning

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Abstract

The wear behavior of Al–Al3Ti functionally graded materials (FGMs) ring was investigated by 3-dimensional microstructural observations. The Al–Al3Ti FGMs ring was cast which contained platelet-shaped Al3Ti particles. The plane normal of the particles was parallel to the radial direction of the ring. The wear resistance of the Al–Al3Ti FGMs ring depended on the sliding direction of the wear tests because of the anisotropic distribution of the Al3Ti platelet particles. A wear-induced layer with a fine microstructure was formed just below the worn surface, and the formation behavior of the layer also depended on the sliding direction. However, the equivalent Hencky strain required to form the wear-induced layer was about 5, regardless of sliding direction. The anisotropy of the wear resistance in the Al–Al3Ti FGMs ring and the formation behavior of the wear-induced layer were explained by the shear strain distribution on the worn surface.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 54 (8), 1274-1280, 2013

    The Japan Institute of Metals and Materials

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