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Volume 23 Issue 5
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Citation:
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Experimental study on dry friction characteristics of titanium alloy TC11 before and after laser beam quenching

  • 1.

    Department of Mechanical Engineering, Nanjing University of Aeronautics And Astronautics, Nanjing, 210016;

  • 2.

    Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000

  • Received Date: 1998-06-01
    Accepted Date: 1998-07-26
  • Titanium alloy is a wide used as the blade material in aeroturbine. This paper reported the experimental results of wear capacity of bearing steel GC15 ball on Ti alloy disk processed by laser beam quenching (LBQ) or not,at the friction temperature of room temperature,150℃, 300℃, 450℃.With the increasing of the f riction temperature from room temperature up to 300℃,the wear rate of surface of Ti alloy increased.The scanning electron micrography proved that the large amount of Fe was found in worn zone of Ti alloy.But it was low greatly at 450℃,and the X-ray photography indicated that an oxide film called glazing layer,which consisted of TiO2,Al2O3 and Fe2O3, formed to resist being worn.By using LBQ,the wear resistance of Ti alloy to dry friction at 150℃ and 300℃ was greatly improved, but there was no obvious improvement at room temperatu re and 450℃.
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  • [1] 周芝骏,宁崇德钛的性质及应用北京:高等教育出版社,1993
    [2]

    Johnson R L,Bill R C Fretting in Aircraft Turbine Engines.AGARD Conference Proceedings No.161 Specialists Meeting on Fretting in Aircraft Systems,Munich,Germany,6~12 October 1974:Paper 5
    [3]

    Yang D H,Zhang X Sh Fretting wear characteristics of laser transformation hardened and laser melt solidfication cemented stainless steel.Proceeding of China International Symposium for Youth Tribologists,Lanzhou,1992:303~307
    [4]

    Stokes P S N,Stott F H,Wood G C The Influence of Laser Surface Treatment on the High Temperature Oxidation of Cr2O3 Forming Alloys.Conference:2nd International Symposium on High Temperature Corrosion of Advanced Materials and Coatings.Ⅱ,Les Embiez,France,22~26 May 1989
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Experimental study on dry friction characteristics of titanium alloy TC11 before and after laser beam quenching

  • 1. Department of Mechanical Engineering, Nanjing University of Aeronautics And Astronautics, Nanjing, 210016;
  • 2. Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000
  • Received Date: 1998-06-01
  • Accepted Date: 1998-07-26
  • Available Online: 1999-09-25

Abstract: Titanium alloy is a wide used as the blade material in aeroturbine. This paper reported the experimental results of wear capacity of bearing steel GC15 ball on Ti alloy disk processed by laser beam quenching (LBQ) or not,at the friction temperature of room temperature,150℃, 300℃, 450℃.With the increasing of the f riction temperature from room temperature up to 300℃,the wear rate of surface of Ti alloy increased.The scanning electron micrography proved that the large amount of Fe was found in worn zone of Ti alloy.But it was low greatly at 450℃,and the X-ray photography indicated that an oxide film called glazing layer,which consisted of TiO2,Al2O3 and Fe2O3, formed to resist being worn.By using LBQ,the wear resistance of Ti alloy to dry friction at 150℃ and 300℃ was greatly improved, but there was no obvious improvement at room temperatu re and 450℃.

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