Strathprints logo
Strathprints Home | Open Access | Browse | Search | User area | Copyright | Help | Library Home | SUPrimo

Erosion–corrosion of preoxidised Incoloy 800H in fluidised bed environments : effects of temperature, velocity, and exposure time

Stack, Margaret and Stott, F.H. and Wood, G.C. (1991) Erosion–corrosion of preoxidised Incoloy 800H in fluidised bed environments : effects of temperature, velocity, and exposure time. Materials Science and Technology, 7 (12). pp. 1128-1137. ISSN 0267-0836

Full text not available in this repository. (Request a copy from the Strathclyde author)

Abstract

The effects of preoxidation as a potential protective measure for alloys exposed to erosion-corrosion have been evaluated for Incoloy 800H in laboratory simulated fluidised bed conditions. The performance of the specimens after exposure to such environments was estimated from weight change data, electron microscopy, and X-ray diffraction patterns. The results showed that, in 'corrosion dominated' conditions, i.e. at relatively high temperatures and low velocities, preoxidation was successful in reducing the erosion-corrosion of the underlying alloy. However, when the velocity was increased and the temperature decreased, preoxidation afforded only some short term protection to the alloy. In these more 'erosion-corrosion dominated' regimes, preoxidation delayed the incubation period for erosion-corrosion of the alloy, but, once the scale was removed, the erosion-corrosion rates were similar to those of the non-preoxidised alloys. Comparisons are made between the results of the present and other erosion-corrosion studies, to explain the distinctive pattern of alloy wastage in these environments.

Item type: Article
ID code: 34413
Keywords: alloys, erosion-corrosion, electron microscopy, high temperatures, low velocity, Mechanical engineering and machinery, Mining engineering. Metallurgy, Mechanics of Materials, Materials Science(all), Mechanical Engineering, Condensed Matter Physics
Subjects: Technology > Mechanical engineering and machinery
Technology > Mining engineering. Metallurgy
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 18 Oct 2011 10:20
Last modified: 11 Jun 2014 11:43
URI: http://strathprints.strath.ac.uk/id/eprint/34413

Actions (login required)

View Item