Effect of Nitrogen on Mechanical Properties of 20MnSi at High Temperature

Abstract:

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The effect of nitrogen on the mechanical properties of 20MnSi steel at high temperature was investigated. Mechanical tensile test was conducted using a Gleeble-1500D. Microstructure and fractograms were analyzed using SEM and TEM. The results indicate that nitrogen in concentration of 0.4 ~ 0.6% improves the grain boundaries and grain refinement, and thus the strength and section shrinkage and plasticity of the steel. Further increase in concentration of nitrogen has little effect on section shrinkage.

Info:

Periodical:

Advanced Materials Research (Volumes 194-196)

Edited by:

Jianmin Zeng, Taosen Li, Shaojian Ma, Zhengyi Jiang and Daoguo Yang

Pages:

213-217

DOI:

10.4028/www.scientific.net/AMR.194-196.213

Citation:

J. C. Yang and N. Liu, "Effect of Nitrogen on Mechanical Properties of 20MnSi at High Temperature", Advanced Materials Research, Vols. 194-196, pp. 213-217, 2011

Online since:

February 2011

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$35.00

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