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Volume 14 Issue 4
Sep.  2013
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Investigations of laser alloying with chromium and molybdenum on surface of carbon steel and thermal stability of the alloyed layer

  • 1.

    Lanzhou Institute of Chemical physics, Academia Sinica

  • Received Date: 1989-11-06
  • The layer alloyed with chromium and molybdenum on surface of carbon steel was obtained by using high power CO2 laser in this study. Experimental results show that the distributions of microhardness and compositions in the alloyed layer are uniform. The microhardness of alloyed layer is increased to 2 or 3 times compared with that of carbon steel. Meanwhile the thermal stability of the alloyed layer is obviously higher than that of carbon steel. In addition, the reason for improving these properties has been discussed.
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  • [1]

    E,McCafferty,P,G.Moore,J,Electrochem,Soc.,1986,Vol,133,No,6,P,1090~1096.
    [2]

    P,A,Molian,Mater,Sci.Eng,,1983,Vo1,58,P. 175~180.
    [3]

    E,F,Semiletova,T,H,Dumbadze,Lasers in Manufacturing,1985,P,97-108.
    [4] 大野笃著,唐颜武、张德正译,《金属凝固学》,国防工业出版社,第12页~16页.
    [5]

    V,M,Andriyakhin et al,,Phys,Chem,Mech.Surface,1984,Vol,1,No,10,P,3105-3116.
    [6]

    P,G,Moore,L,S,yYeinman,Laser Applications in Materials Processing,Ed,J,F,Ready,1979,Vo1,198,Y,27~28.
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Investigations of laser alloying with chromium and molybdenum on surface of carbon steel and thermal stability of the alloyed layer

  • 1. Lanzhou Institute of Chemical physics, Academia Sinica
  • Received Date: 1989-11-06
  • Available Online: 1990-07-25

Abstract: The layer alloyed with chromium and molybdenum on surface of carbon steel was obtained by using high power CO2 laser in this study. Experimental results show that the distributions of microhardness and compositions in the alloyed layer are uniform. The microhardness of alloyed layer is increased to 2 or 3 times compared with that of carbon steel. Meanwhile the thermal stability of the alloyed layer is obviously higher than that of carbon steel. In addition, the reason for improving these properties has been discussed.

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