Fe-Based Sacrificial Anodes for Anti-Corrosion of 310S Stainless Steel

Xuan Tian; Dong  Yan Ding

doi:10.4028/www.scientific.net/MSF.852.49

Paper Titles

Effect of Different Solid-Solution Treatment on Microstructure and Mechanical Properties of Alloy 718
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Investigation on Ce Addition on Microstructure and Martensitic Transformation of a Ti₅₁Ni₄₉ Shape Memory Alloy
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Effects of RE on Precipitation Behaviors of the Inclusions and Magnetic Properties of Non-Oriented Electrical Steel
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Fe-Based Sacrificial Anodes for Anti-Corrosion of 310S Stainless Steel
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Theoretical Study on the Electronic Structures, Magnetic Properties and Corrosion-Resistant Ability of Ni_nAl (n=1-8, 12) Clusters
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The Effects of Pb, Bi on the Anodic Properties of Al-Zn-Ga-In Series Alloy
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Influence of Compaction Pressure on Magnetic Properties of Sendust Powder Core
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HomeMaterials Science ForumMaterials Science Forum Vol. 852Fe-Based Sacrificial Anodes for Anti-Corrosion of...

Fe-Based Sacrificial Anodes for Anti-Corrosion of 310S Stainless Steel

Abstract:

Sacrificial anode protection of stainless steel is required in severe application environment. In this paper, two kinds of Fe-based sacrificial anodes (20CrMo and 20CrMn) were used to protect 310S stainless steel. Protective effects were evaluated through constant current test and self-discharge test. Scanning electron microscope (SEM) and Energy Dispersive Spectrometer (EDS) were used to analyze the surface morphology and element composition of 310S cathodes after the tests. Experimental result indicates that both Fe-based sacrificial anodes have a driving voltage over 500mV, which enables a longer life than those of the Al-based or Zn-based anodes. The 20CrMo sacrificial anode presented more stable working potential, better state of activation and more uniform corrosion behavior than 20CrMn sacrificial anode did. The 310S cathode protected by 20CrMo had smoother surface and less oxide formation on the substrate.

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Periodical:

Materials Science Forum (Volume 852)

Pages:

49-54

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.852.49

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Online since:

April 2016

Authors:

Xuan Tian, Dong Yan Ding

Keywords:

Corrosion Protection, Electrochemical Properties, Fe-Based Sacrificial Anode, Stainless Steel

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