Effect of Alloy Composition, Surface Preparation and Exposure Conditions on the Selective Oxidation Behavior of Ferritic Fe-Cr and Fe-Cr-X Alloy

Journal Article · Wed Sep 01 04:00:00 EDT 2010 · Oxidation of Metals,

DOI:https://doi.org/10.1007/s11085-010-9215-5· OSTI ID:1010296

Meier, G H; Mu, N; Yanar, N M; Pettit, F S; Piron Abellan, J; Olszewski, T; Quadakkers, W J; Holcomb, G R

Abstract Selective oxidation behavior of ferritic martensitic Fe–Cr base alloys, exposed in various atmospheres containing combinations of O2, CO2, and H2O, were studied at various temperatures relevant to oxy-fuel combustion. This paper begins with a discussion of the required Cr content to form a continuous external chromia scale on a simple binary Fe–Cr alloy exposed in oxygen or air based on experiments and calculations using the classic Wagner model. Then, the effects of the exposure environment and Cr content on the selective oxidation of Fe–Cr alloys are evaluated. Finally, the effects produced by alloying additions of Si, commonly present in various groups of commercially available ferritic steels, are described. The discussion compares the oxide scale formation on simple binary and ternary Fe–Cr base model alloys with that on several commercially available ferritic steels.

• Research Organization: National Energy Technology Laboratory - In-house Research
• Sponsoring Organization: USDOE Assistant Secretary for Fossil Energy (FE-1)
• OSTI ID: 1010296
• Report Number(s): NETL-TPR-0000
• Journal Information: Oxidation of Metals,, Journal Name: Oxidation of Metals, Journal Issue: 5-6 Vol. 74; ISSN OXMEAF; ISSN 0030-770X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AIR
ALLOYS
COMBUSTION
FERRITIC STEELS
OXIDATION
OXIDES
OXYGEN
Oxy-fuel combustion  Fe–Cr alloys  Ferritic steels  Chromia  Water vapor  Hydrogen  Carbon dioxide