Prediction of Properties in Type 347 Austenitic Stainless Steel after Long-Term Service at High Temperatures

Abstract:

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The evolution of microstructure during production and elevated temperature service of type 347 austenitic stainless steel in the temperature range 700-800°C was modelled using commercial software packages such as Thermo-Calc and DICTRA and characterized using various microscopical techniques. The growth and coarsening of niobium carbonitrides and σ- phase were modelled as well as nitrogen uptake. Good agreement between predictions and microstructural observations was found.

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Periodical:

Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran

Pages:

4920-4925

DOI:

10.4028/www.scientific.net/MSF.539-543.4920

Citation:

J. O. Nilsson "Prediction of Properties in Type 347 Austenitic Stainless Steel after Long-Term Service at High Temperatures", Materials Science Forum, Vols. 539-543, pp. 4920-4925, 2007

Online since:

March 2007

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$35.00

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