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Corrosion and creep behaviour of alloy 800H in sulphidizing/oxidizing/carburizing environments at 700°C – Part I: Corrosion behaviour in the stress free and the stressed state

✍ Scribed by M. F. Stroosnijder; V. Guttmann; J. H. W. de Wit

Publisher: John Wiley and Sons
Year: 1990
Tongue: German
Weight: 697 KB
Volume: 41
Category: Article
ISSN: 0947-5117
DOI: 10.1002/maco.19900410903

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✦ Synopsis

Abstract

The corrosion behaviour of the austenitic 32Ni‐20Cr steel Alloy 800H was investigated in several S‐O‐C bearing gas mixtures simulating coal gasification environments at 700°C for up to 5000 h. It is shown that relatively small changes in oxygen and sulphur activities can cause a significant change in corrosion behaviour. Moreover creep deformation leads to a marked enhancement of the corrosive attack which takes place particularly along grain boundaries lying perpendicular to the stress axis.

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Corrosion and creep behaviour of alloy 800H in sulphidizing/oxidizing/carburizing environments at 700°C – Part II: Creep behaviour

✍ M. F. Stroosnijder; V. Guttmann; J. H. W. de Wit 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 715 KB

## Abstract The creep behaviour of the 32Ni‐20Cr steel Alloy 800H was studied in various S‐O‐C bearing gas mixtures simulating coal gasification atmospheres at 700°C. The investigations have shown that the corrosive attack can cause a degradation in creep strength and in creep ductility. The delete