High temperature corrosion of metallic materials in coal fired power plant boilers

• Autorzy: Dudziak T.

Identyfikatory

DOI

10.7356/iod.2017.26

• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to perform high temperature tests in steam conditions at 700‒800°C for 3000 hours. In this work seven alloys were studied: Cr rich austenitic steels 309S, 310S, HR3C, and two solid-solution strengthened Ni based alloys; Haynes® 230®, 617 alloy and two (γ’) gamma-prime strengthened Ni based alloys; 263 and Haynes® 282®. The obtained results suggest that the exposed materials show high corrosion resistance under steam oxidation conditions where predominantly Cr₂O₃ and MnCr₂O₄ compounds developed. The materials showed no chromia evaporation process and no exfoliation of the external oxide scale. However, two (γ’) gamma-prime strengthened Ni based alloys showed a high degree of internal oxidation that increased with temperature.

Słowa kluczowe

EN

steam oxidation; high temperature; austenitic steel; Ni based alloy

• Wydawca: Instytut Odlewnictwa
• Czasopismo: Prace Instytutu Odlewnictwa
• Rocznik: 2017
• Tom: Vol. 57, no. 4
• Strony: 277--291
• Opis fizyczny: Bibliogr. 48 poz., rys., tab.

Twórcy

autor

Dudziak T.

• Foundry Research Institute, ul. Zakopiańska 73, 30-418 Krakow, Poland

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).