CORROSION OF THE La ADDED MEDICAL 316L STAINLESS STEEL IN PHYSIOLOGICAL SALINE

J Chin Soc Corr Pro

2006, Vol. 26

Issue (5): 303-307 DOI:

Research Report

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CORROSION OF THE La ADDED MEDICAL 316L STAINLESS STEEL IN PHYSIOLOGICAL SALINE

中国科学院金属研所

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Abstract The corrosion of the La added medical 316L stainles s steel in physiological saline at 37℃ was studied by measurement of anodic pol arization curves.The results showed that the La content in 316L stainless steel greatly affects the corrosion behavior.The passive current densities were almost the same while the passive regions became wider with decrease of La content in the steel.The corrosion resistance of the 316L stainless steel with 0.04 mass% L a was equivalent to the 316L steel,with 0.01% La better,and 0.08% La worse.The s tudy shows that the corrosion behavior of the La added 316L stainless steel is m ainly due to the effect of La on the formation of passive film.

Key words: medical 316L stainless steel La pitting

Received: 20 December 2005

ZTFLH:	TG174.2+1
	R318.08

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. CORROSION OF THE La ADDED MEDICAL 316L STAINLESS STEEL IN PHYSIOLOGICAL SALINE. J Chin Soc Corr Pro, 2006, 26(5): 303-307 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2006/V26/I5/303

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