Hot Corrosion Behavior of High-Chromium, High-Carbon Cast Irons in NaCl-KCl Molten Salts | Zendy

S. Vuelvas-Rayo | Zendy; J.G. González-Rodrı́guez | Zendy; J. Porcayo-Calderón | Zendy; V.M. Salinas-Bravo | Zendy; Simitrio Ignacio Maldonado-Ruiz | Zendy

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Hot Corrosion Behavior of High-Chromium, High-Carbon Cast Irons in NaCl-KCl Molten Salts

Author(s) -

S. Vuelvas-Rayo,

J.G. González-Rodrı́guez,

J. Porcayo-Calderón,

V.M. Salinas-Bravo,

Simitrio Ignacio Maldonado-Ruiz

Publication year - 2012

Publication title -

international journal of corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.312

H-Index - 18

eISSN - 1687-9333

pISSN - 1687-9325

DOI - 10.1155/2012/479761

Subject(s) - metallurgy , chromium , materials science , corrosion , high carbon , cast iron , carbon fibers , carbon steel , layer (electronics) , composite material , alloy , composite number

A study on the corrosion behavior of a series of experimental high-chromium (18.53–30.48 wt.%), high-carbon (3.82–5.17%) cast irons in NaCl-KCl (1 : 1 M) at 670°C has been evaluated by using weight loss technique and compared with a 304-type stainless steel. It was found that all castings had a higher corrosion rate than conventional 304SS and that the addition of Cr increased the degradation rate of the cast irons. Additionally, corrosion rate increased by increasing the C contents up to 4.29%, but it decreased with a further increase in its contents. Results are discussed in terms of consumption of the Cr2O3 layer by the melt

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