Study of the Effect of Trace Mg Additions on Carbides in Die Steel H13


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Abstract

Carbides in annealed steel H13 without magnesium and with a micro-addition of magnesium (0.0010%) are studied. Trace amounts of magnesium strengthen carbide segregation and reduce their size. Carbides phases M7C3, M6 C, and M(C, N) are detected in steel H13, and this agrees with results of thermodynamic calculations.

About the authors

Ji Li

State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing

Email: lijing@ustb.edu.cn
China, Beijing

Jing Li

State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing

Author for correspondence.
Email: lijing@ustb.edu.cn
China, Beijing

Liang-liang Wang

State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing

Email: lijing@ustb.edu.cn
China, Beijing

Qin-tian Zhu

State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing

Email: lijing@ustb.edu.cn
China, Beijing

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