Cobalt Base Clad Layer Resistance on the Corrosion under Low Sulfur Pressure

Abstract:

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The paper considers the sulphidation of the clad layers made of the cobalt base powder and prepared by the multi-overlapped tracks and sublayers fabricated using laser cladding process applied at 800°C under sulphur partial pressure ps2= 10e-8 atm and ps2= 10e-10 atm for 24 hours. The phase compositions of the scale were different. In both cases changes in the layer under the scale exhibited similar tendency – decomposition of the carbides from the interdendritic regions and severe internal corrosion along the dendrite boundaries.

Info:

Periodical:

Solid State Phenomena (Volume 165)

Edited by:

Andrejus H. Marcinkevičius and Algirdas V.Valiulis

Pages:

173-176

DOI:

10.4028/www.scientific.net/SSP.165.173

Citation:

H. Smolenska "Cobalt Base Clad Layer Resistance on the Corrosion under Low Sulfur Pressure", Solid State Phenomena, Vol. 165, pp. 173-176, 2010

Online since:

June 2010

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$35.00

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