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J Chin Soc Corr Pro  1990, Vol. 10 Issue (3): 259-265    DOI:
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THE CORROSION CHARACTERISTICS OF SURFACE ALLOY PROCESSED BY LASER SURFACE Cr-Ni-Si ALLOYING
Fang Zhi Song Shizhe and Chen Fumin (Tianjin University)
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Abstract  Laser surface alloying is an effective surface modification technique to improve corrosion resistance of metallic materials.In this paper laser sutface Cr-Ni-Si alloying on low alloy steel has been investigated and the effect of technological conditions of laser treatment and alloying composition on the corrosion resistance of surface alloy possessing uniform distribution of Cr,Ni and Si is diseussed.The experimental results indicated that the addition of silicon can remarkably improve the pitting resistance of the surface alloy.The mechanism of improved pitting resistance by silicon is that a protective film enriched with silicon has been formed on the surface.
Received:  25 June 1990     
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Fang Zhi Song Shizhe and Chen Fumin (Tianjin University). THE CORROSION CHARACTERISTICS OF SURFACE ALLOY PROCESSED BY LASER SURFACE Cr-Ni-Si ALLOYING. J Chin Soc Corr Pro, 1990, 10(3): 259-265.

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https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y1990/V10/I3/259

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