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J Chin Soc Corr Pro  1992, Vol. 12 Issue (1): 77-82    DOI:
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EFFECTS OF A. V. PASSIVATION AND POST-TREATMENT ON THE COMPOSITION AND STABILITY OF PASSIVE FILM ON STAINLESS STEELS
Song Guangling; Cao Chunan; Ling Haichao; and Xia Bangjie (Corrosion Science Lab; Institute of Corrosion and Protection of Metals; Academia Sinica)
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Abstract  An investigation of the effects of A. V. modulated passivation and post-treatment on the composition and stability of passive film on 302 and 316 s.s. was carried out by means of AES analysis,ellipsometry and electrochemical measurements. The experimental results showed that the concentration and profile distribution of elements in the passive film was changed by A. V. passivation, the relative concentrations of O and Cr and the Fe~(3+)/Fe~(2+) in the A. V. passivated film were higher than the corresponding ones in the D.V. passivated film. During the process of post-treatment molybdenun-containing ions were adsorbed onto the surface of passive film. The causes of increase of the stability of passive film by A.V. passivation and post-treatment were discussed.
Received:  25 February 1992     
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Song Guangling; Cao Chunan; Ling Haichao; and Xia Bangjie (Corrosion Science Lab; Institute of Corrosion and Protection of Metals; Academia Sinica). EFFECTS OF A. V. PASSIVATION AND POST-TREATMENT ON THE COMPOSITION AND STABILITY OF PASSIVE FILM ON STAINLESS STEELS. J Chin Soc Corr Pro, 1992, 12(1): 77-82.

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https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y1992/V12/I1/77

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