Electrochemical Study of the Corrosion Performance of AISI- 309 and AISI-310 Exposed in NaVO3 at High Temperature

Sotelo-Mazón, O.; Cuevas-Arteaga, C.; Porcayo-Calderón, J.; Melgoza-Alemán, Rosa María; Cisneros, M.M.; Izquierdo-Montalvo, G.; Gómez, L. Martónez

doi:10.1016/s1452-3981(23)11164-3

International Journal of Electrochemical Science

2015

DOI: 10.1016/s1452-3981(23)11164-3

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Electrochemical Study of the Corrosion Performance of AISI- 309 and AISI-310 Exposed in NaVO3 at High Temperature

O. Sotelo-Mazón¹,

C. Cuevas-Arteaga²,

J. Porcayo-Calderón³

et al.

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2020

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Cited by 2 publications

References 23 publications

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Corrosion Behaviour of Various Superheater Steels in Cleaning Solutions

Yang¹

2020

International Journal of Electrochemical Science

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In recent years, with the increase in the national power supply demand, a large number super-critical units have been put into production in thermal power plants. The high-parameter units of thermal power plants have generally participated in peak shaving, and the working conditions have changed greatly. The over-temperatures, squibs and turbine blade rushes caused by superheater scales are becoming increasingly serious and widespread. Adapting superheater oxide skin chemical cleaning technology to new production conditions is an effective way to solve this problem. In this paper, the corrosion behaviour of various steels used for boiler superheaters in aqueous chemical cleaning is investigated.

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Corrosion Behaviour of Various Superheater Steels in Cleaning Solutions

Yang¹

2020

International Journal of Electrochemical Science

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Çevrimli ve İzotermal Sıcak Korozyonun Nikel Esaslı Süper Alaşım Malzemeye Etkisi

Döleker¹,

Karaoğlanli²

2020

El-Cezeri Fen Ve Mühendislik Dergisi

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Nikel esaslı süper alaşımlar gaz türbinleri, nükleer reaktörler, jeneratörler gibi geniş bir kullanım alanına sahiptir. Mekanik dayanım ve korozyon direncinin önemli olduğu alanlarda özellikle tercih edilirler. Sıcak korozyon, yüksek sıcaklık uygulamalarında oldukça yıpratıcı bir hasar türüdür. Sıcak korozyonda, erimiş tuzlar reaktif bileşenlerle kolayca reaksiyona girer ve iş parçalarında erken hasara neden olur. Bu çalışmada, nikel bazlı süper alaşım olarak Inconel 718, sıcak korozyon testlerine tabi tutulmuştur. % 50 V 2 O 5 -50% Na 2 SO 4 karışımları korozyon bileşeni olarak kullanılmıştır. 900 ° C' de, 18 saat süreyle çevrimli ve izotermal sıcak korozyon testleri uygulanmıştır. Inconel 718' de oluşan korozyon ürünleri ve mikroyapısal değişiklikler, sıcak korozyon testlerinden sonra taramalı elektron mikroskobu (SEM), SEM-Enerji Dağılımlı X-Işını (EDX), SEMharitalaması ve X-Işını Kırınımı (XRD) analizleri ile karakterize edilmiştir. İzotermal ve çevrimli sıcak korozyon testleri sonunda, çevrimli olarak sıcak korozyona maruz kalan Inconel 718' in hasardan daha çok etkilendiği görülmüştür. Meydana gelen korozyon ürünleri ve hasar mekanizması bakımından ise benzer sonuçlar gözlemlenmiştir. Anahtar kelimeler: Sıcak korozyon; Inconel 718; Na 2 SO 4 ; V 2 O 5 ; Ergimiş tuz

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Electrochemical Study of the Corrosion Performance of AISI- 309 and AISI-310 Exposed in NaVO3 at High Temperature

Cited by 2 publications

References 23 publications

Corrosion Behaviour of Various Superheater Steels in Cleaning Solutions

Corrosion Behaviour of Various Superheater Steels in Cleaning Solutions

Çevrimli ve İzotermal Sıcak Korozyonun Nikel Esaslı Süper Alaşım Malzemeye Etkisi

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