Microstructures and Precipitates in High Purified Fe- 17 wt% Cr Alloy Steels

Abstract:

In the present paper, the influences of rolling temperatures on microstructure and precipitate in high purified Fe- 17 wt% Cr alloy steels were investigated by conventional process and low temperature rolling process. The hot rolled bands were annealed, cold rolled and annealed in the same processes. By means of optical microscopy observations, transmission electron microscopy analyses and thermodynamic calculations, the microstructural evolutions were studied and compared. It was shown that low temperature rolling process resulted in the refined rolling and annealing microstructure; Low temperature rolling process could form more fine TiC precipitates than in the conventional process due to the occurrence of strain-induced precipitation. These results have been confirmed by the thermodynamic calculations.

• Periodical: Advanced Materials Research (Volume 645)
• Pages: 93-96
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.645.93
• Online since: January 2013
• Authors: Hong Mei Wang, Zhong Mian Fan, Chang Jun Liu
• Keywords: Fine TiC Precipitates, High Purified Fe- 17 wt% Cr Alloy Steels, Rolling Process, Thermodynamic Calculations

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