Oxide Growth Mechanism and Oxidation Resistance in Mechanically Alloyed Ni-20Cr-20Fe-5Nb-1Y<sub>2</sub>O<sub>3</sub> Alloy-Reference-Cited by-同舟云学术

Oxide Growth Mechanism and Oxidation Resistance in Mechanically Alloyed Ni-20Cr-20Fe-5Nb-1Y₂O₃ Alloy

Published:2005-01 Issue: Volume:475-479 Page:4231-4234
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Kim Il Ho¹,Kwun S.I.¹

Affiliation:

1. Korea University

Abstract

The oxidation characteristics of a Ni-20Cr-20Fe-5Nb-1Y2O3 alloy and a Ni-20Cr- 20Fe-5Nb alloy both with ultra-fine grains were compared with those of commercial Inconel 718 and PM1000 alloys. The oxidation resistance of the Ni-20Cr-20Fe-5Nb-1Y2O3 alloy was superior to that of both the Ni-20Cr-20Fe-5Nb and commercial Inconel 718 alloys. This was attributed to the suppression of successive oxidation via the oxide formed during the oxidation of the ODS (oxide dispersion strengthening) alloy. It was confirmed that the prior powder boundary is the site where the oxide grows continuously during ODS alloy oxidation.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.475-479.4231.pdf

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