Ta Modified Layer Prepared on Q235 Steel by Double Glow Plasma Surface Alloying Technology and It′s Corrosion Resistance

WANG Ruo-nan; ZHANG Ping-ze; BI Qiang; WEI Dong-bo; CHEN Xiao-hu

Materials and Mechanical Engineering > 2013 > 37(9): 25-28.

WANG Ruo-nan, ZHANG Ping-ze, BI Qiang, WEI Dong-bo, CHEN Xiao-hu. Ta Modified Layer Prepared on Q235 Steel by Double Glow Plasma Surface Alloying Technology and It′s Corrosion Resistance[J]. Materials and Mechanical Engineering, 2013, 37(9): 25-28.

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Ta Modified Layer Prepared on Q235 Steel by Double Glow Plasma Surface Alloying Technology and It′s Corrosion Resistance

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Received Date: June 08, 2013

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The microstructure, composition and corrosion resistance of Ta modified layer which obtained on low carbon steel Q235 by double glow plasma surface metallurgy technology were studied . The results show that the tantalum element distributed gradually from the surface to substrate, Ta modified layer was well bonded to the substrate. The corrosion resistance of Ta modified layer obviously was better than that of the substrate, and it′s protection efficiency was 99.88%. The passive film on Ta modified layer was integral and could protect the substrate efficiently.
- double glow plasma surface alloying,
- Ta modified layer,
- uniform immersion corrosion experiment,
- corrosion resistance

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