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Calcium Sulfate, Mixed Sulfate, and Mixed Oxide Corrosion of FeCrAlY Alloy in Dry Air at 1025 ºC

Chikhalikar, Atharva S
Godbole, Eeshani P
Poerschke, David L
2022-11-28
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https://doi.org/10.13020/chcj-fz40
 https://hdl.handle.net/11299/243378
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Collection period

2021-09-01
2022-05-15

Date completed

2022-010-31

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Title

Calcium Sulfate, Mixed Sulfate, and Mixed Oxide Corrosion of FeCrAlY Alloy in Dry Air at 1025 ºC

Published Date

2022-11-28

Authors

Group

Poerschke Research Group

Author Contact

Poerschke, David
dpoersch@umn.edu

Type

Dataset
Experimental Data

Abstract

Backscattered electron micrographs provide information about the thickness of the thermally grown oxide (TGO) thickness and the alloy-TGO interface roughness caused by oxidation of FeCrAlY alloy for 100 h at 1025 ºC in dry air upon exposure to corrosive deposits comprising mixed oxides, mixed sulfates, or calcium sulfate. Micrographs were processed to provide tabulated values for TGO thickness as a function of location across the sample cross section, and changes in the TGO-alloy interface position. The purpose of release is to provide access to detailed data related to alloy hot corrosion process. It is released now to correspond with the publication of the analyzed results in a related paper.

Description

Backscattered electron microscope images showing the thermally grown oxide (TGO) on the surface of a FeCrAlY alloy exposed to CaSO4, a mixture of Ca, Mg, Na, and K sulfates (denoted C13-s), and a mixture of Ca, Mg, Fe, Al, Si, Na, and K oxides (C13-Ox) for 100 h at 1025 ºC. Image analysis was then used to extract the TGO thickness and roughness profile data, which are provided as .csv files. Additional information is provided with the associated paper.

Referenced by

https://doi.org/10.1016/j.corsci.2022.110892

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Attribution-NonCommercial 3.0 United States
 http://creativecommons.org/licenses/by-nc/3.0/us/

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Data Repository for U of M (DRUM)

Funding information

Office of Naval Research

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Suggested citation

Chikhalikar, Atharva S; Godbole, Eeshani P; Poerschke, David L. (2022). Calcium Sulfate, Mixed Sulfate, and Mixed Oxide Corrosion of FeCrAlY Alloy in Dry Air at 1025 ºC. Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/chcj-fz40.

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FeCrAlY-HotCorrosion-Data.zip
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(2.12 GB)

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