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Citation: Yao Suwei, Zhao Shuilin, Ren Libin, Guo Hetong, M. Kowaka. Surface Modification of Amorphous Fe-W Alloy Deposit[J]. Chinese Journal of Applied Chemistry, ;1995, 12(4): 32-35. shu

Surface Modification of Amorphous Fe-W Alloy Deposit

1.
Department of Applied Chemistry, Tianjin University, Tianjin 300072;
2.
Central Research Laboratory, C.Uyemura Co. Ltd, Japan

Received Date: 17 October 1994
Revised Date: 30 December 1994

The amorphous Fe-W deposit is passivated chemically and electrochemically in chromate solutions in order to form a passive film. Anodic polarization curves show that the pitting potential of passivation moves about 1.68V toward noble. Amorphous Fe-W deposits were corroded severelv within one hour in NaCl solution, but the passivated deposit exhibit-ed no change and maintained metal luster on the surface after one month of immersion.
- amorphous alloy deposit,
- Fe-W,
- passivation,
- anticorrosive property
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