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High Temperature Corrosion Behaviour of Intermetallic Phases based on Ni3Al

Published online by Cambridge University Press:  26 February 2011

U. Brill  and
J. Klöwer
U. Brill
Affiliation:
VDM Nickel-Technologie AG; 5990 Werdohl, Germany
J. Klöwer
Affiliation:
VDM Nickel-Technologie AG; 5990 Werdohl, Germany
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Abstract

Nickel aluminides based on Ni3Al were continuously cast into 12.4 mm diameter wire in an industrial production machine. Cyclic corrosion tests were carried out on this material in oxidizing, carburizing, sulfidizing and chloridizing atmospheres at temperatures between 750°C and 1100 °C in order to study the time and temperature dependence of high temperature corrosion. The results show, that Ni3Al has a very good oxidation resistance up to 1000 °C. The sulfidation resistance is poor, while resistance against carburization and chlorination is significantly better than that of the commercial alloy 800H andalloy 617.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 213: Symposium Q – High-Temperature Ordered Intermetallic Alloys IV , 1990 , 963
Copyright
Copyright © Materials Research Society 1991

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References

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