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WETTING BEHAVIOR OFAl–MgALLOYS ON CARBON FIBER FABRIC

Author

Listed:
  • WANG XU

    (School of Mechanical Engineering, Liaoning Shihua University, Fushun 113001, P. R. China)

  • WANG CHENCHONG

    (School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, P. R. China)

  • CHEN GUOQIN

    (School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, P. R. China)

  • YANG WENSHU

    (Department of Applied Science and Technology, Politecnico di Torino, Torino, Italy)

  • ZHANG ZHICHAO

    (School of Mechanical Engineering, Liaoning Shihua University, Fushun 113001, P. R. China)

Abstract

In present work, the wetting behavior of carbon fiber andAl–Mgalloys (up to 17 wt.%) from 700°C to 1000°C was investigated by sessile drop method. Below 900°C, the contact angles decreased slightly with increase of temperature regardless ofMgamount. However, the contact angles decreased sharply at elevated temperature (above 900°C). Moreover, below 900°C, the contact angles decreased slightly with holding time, and significant decrease of contact angle with increase of holding time was found above 1000°C. All contact angle-holding time curves at 1000°C demonstrated three kinetic stages. It is observed that the contact angles decreased withMgamount regardless of wetting temperature. The addition ofMgelement will inhabit the nucleation and growth ofAl4C3phase, which is unfavorable to the wetting behavior. However, the addition ofMgelement will also decrease the surface energy, which demonstrates dominant effect and leads to the decrease of contact angles.

Suggested Citation

  • Wang Xu & Wang Chenchong & Chen Guoqin & Yang Wenshu & Zhang Zhichao, 2013. "WETTING BEHAVIOR OFAl–MgALLOYS ON CARBON FIBER FABRIC," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 20(03n04), pages 1-8.
    • Handle: RePEc:wsi:srlxxx:v:20:y:2013:i:03n04:n:s0218625x13500364
    DOI: 10.1142/S0218625X13500364
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