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Effect of Co-Content on the Corrosion of High Performance Stainless Steels in Simulated Bio-Solutions

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Abstract:

This work focused on the effect of Co content on the corrosion resistance of high pitting resistance equivalent (PRE), super ferritic, Ni-free stainless steels in simulated biosolutions. The effect of Co in Ni-free alloys was evaluated by cytotoxicity test. Anodic polarization test and AC impedance measurement were performed to evaluate the effect of Co on corrosion resistance of the alloys. The cytotoxicity test result for 4 experimental alloys shows non-cytotoxic but mild cytotoxic for 316L stainless steel due to relatively poor corrosion resistance. However, the effect of Co on the passivity was positive in bio-solution but it was negative in acidic chloride solution.

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Periodical:

Key Engineering Materials (Volumes 342-343)

Pages:

585-588

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.342-343.585

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Online since:

July 2007

Authors:

Y.R. Yoo, H.H. Cho, S.G. Jang, K.Y. Lee, H.Y. Son, Jung Gu Kim, Young Sik Kim

Keywords:

Cobalt, Corrosion, Cytotoxicity, Nickel-Free Stainless Steel, Passivity

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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