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《Journal of Zhejiang University(Natural Science)》 1993-04
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Mechanisms and characteristics of electroless deposited double-layer as sacrifical anode

Chen Shaoan Li Zhizhang Yao Tiangui Yu Decai(Dept of Material Science)  
On the basis of studying the process and the electropolar potential of the Single-layer deposits for corrosion protection, this paper deals with the double-layer consisting of two electroless deposits as sacrifical anode protection. The best parameter and corrosion resistance of the double-layer deposit have been dfter-mined by the salt spray and electrochemical tests, the resules show that corrosion resistace of the doutle-leyer deposit is several times or dozens times higher than that of the single-layer deposit. The corrosion mechanism has also been analysed by the results of Metallographic、SEM observation.
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