Effect of carbon and phosphorous on the solidification microstructure in a Cr-Ni-Mn-N austenitic hydrogen-resistant steel

J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (S1): 81-84.

• Research Articles • Previous Articles Next Articles

Effect of carbon and phosphorous on the solidification microstructure in a Cr-Ni-Mn-N austenitic hydrogen-resistant steel

Jun TAN, Luming MA, Shouxin LI, Lijian RONG, Jincai YUAN, Yiyi LI

State Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research, Chinese of Academy of Sciences, Shenyang 110016, China

Received:2000-11-30 Revised:2001-01-05 Online:2001-10-28 Published:2009-10-10
Contact: Jun TAN

Abstract

Abstract: The influence of carbon and phosphorus on the solidification microstructure of a Cr-Ni-Mn-N austenitic steel was studied. The button specimens were prepared by vacuum induction melting and magnetic convection. The experimental results show that the increase of C or P concentration in the steel can change the solidification modes of Cr-Ni-Mn-N austenitic steels and has a significant effect on the morphology of the dendrites. The content of delta -ferrite in the microstructure reduces with increasing the concentration of C or P in the steel, there is a gradient of the content of delta -ferrite formed from surface through the center of the specimens.

Key words:

Jun TAN, Luming MA, Shouxin LI, Lijian RONG, Jincai YUAN, Yiyi LI. Effect of carbon and phosphorous on the solidification microstructure in a Cr-Ni-Mn-N austenitic hydrogen-resistant steel[J]. J Mater Sci Technol, 2001, 17(S1): 81-84.

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Effect of carbon and phosphorous on the solidification microstructure in a Cr-Ni-Mn-N austenitic hydrogen-resistant steel

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