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

被引：8

作者：

Vuelvas-Rayo, S. ^{[1
]}

Gonzalez-Rodriguez, J. G. ^{[1
]}

Porcayo-Calderon, J. ^{[2
]}

Salinas-Bravo, V. M. ^{[2
]}

Maldonado-Ruiz, S. I. ^{[3
]}

机构：

[1] Univ Autonoma Estado Morelos, CIICAp, Ave Univ 1001,Col Chamilpa, Cuernavaca 62500, Morelos, Mexico

[2] IIE, Gerencia Mat & Proc Quimicos, Cuernavaca 62490, Morelos, Mexico

[3] Univ Autonoma Zacatecas, Fac Ingn, Zacatecas 98068, ZAC, Mexico

来源：

INTERNATIONAL JOURNAL OF CORROSION | 2012年 / 2012卷

关键词：

D O I：

10.1155/2012/479761

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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 : 1M) at 670 degrees 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.

引用

页数：9

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