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Microstructural characterization and mechanical property of Fly Ash/Al-25Mg composites

  • Metallic Materials
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Abstract

Fly ash/A1-Mg composites are fabricated by powder metallurgical method. The morphology and structure of fly ash/A1-Mg composites are characterized by scanning electron microscope (SEM) and X-ray diffraction, respectively. The influences of different fly ash content on the friction and wear behavior of the composites are investigated at a constant sliding velocity of 400 r/min and the worn mechanism of composites is discussed. The results indicate that the friction coefficient is steadily lower than that of Al alloy matrix at the lower fly ash content and loads. For the fly ash/A1-Mg composites, the wear mechanism is characterized as abrasive wear and adhesive wear under small normal load and at low fly ash content, and it is characterized as delamination wear and abrasive wear transferred onto the counterpart under high normal load and at high fly ash content.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, 232001, China

    Qingping Wang  (王庆平), Fanfei Min & Jinbo Zhu

Authors
  1. Qingping Wang  (王庆平)
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  2. Fanfei Min
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  3. Jinbo Zhu
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Corresponding author

Correspondence to Qingping Wang  (王庆平).

Additional information

Funded by National Natural Science Foundation of China (No.51174006), Anhui Provincial Natural Science Foundation (No.1208085QE100), Educational Commission of Anhui Province of China (No. KJ2012ZD05)

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Wang, Q., Min, F. & Zhu, J. Microstructural characterization and mechanical property of Fly Ash/Al-25Mg composites. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 29, 1019–1022 (2014). https://doi.org/10.1007/s11595-014-1036-y

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  • DOI: https://doi.org/10.1007/s11595-014-1036-y

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