2005, Volume 7, Issue 6
Strategic Study of CAE >> 2005, Volume 7, Issue 6
New Development of Double Glow Plasma Surface Metallurgy Technology
1. Research Institute of Surface Engineering , Taiyuan University of Technology , Taiyuan 030024 , China
2. Physics Department , Taiyuan University of Technology , Taiyuan 030024 , China
3. Nanjing University of Aeronautics and Astronautics , Nanjing 210016 , China
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Abstract
This paper summarises some new development of the double glow plasma surface metallurgy technology in the last few years： Ti - Cu and Ti - Cr burn-resistant alloys have been produced on the surfaces of titanium and titanium alloy Ti6A14V. Co - W - Mo - Fe age-hardened high speed steel and high Cr alloy have been formed on the surface of carbon steels. Ti - Cu wear-resistant alloy was also produced on the surface of pure copper. By using this process and solid graphite as carbon source, hydrogen-free carburising has been achieved in order to avoid hydrogen embrittlement of titanium. The experimental results indicate that the double glow plasma surface metallurgy is an advanced and powerful method for surface alloying.
Keywords
surface metallurgy ; double glow plasma surface alloying ; burn resistant titanium alloy ; hydrogen-free carburizing ; age-hardening high speed steel
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