Effects of TiC formation on the microstructure and hardness of wear-resistant steel

Yongfu Wang; Changlin Yang; Jianbin Li

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Effects of TiC formation on the microstructure and hardness of wear-resistant steel

机译：Effects of TiC formation on the microstructure and hardness of wear-resistant steel

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In this study, as-cast low alloy wear-resistant steels with Ti contents of 0.6 and 3.0 wt- were prepared at different solidification cooling rates, and the effects of TiC formation on their microstruc-tures, hardness values, and wear resistances were investigated. The obtained phase diagrams and experimental data revealed that the TiC phase was formed via a divorced eutectic reaction in a residual liquid phase during solidification. The larger Ti content promoted the formation of TiC particles, while the solidification cooling rate represented the main influencing factor. Moreover, the produced TiC phase increased the wear resistance of the studied steel and decreased the matrix hardness, suggesting a new method for enhancing its mechanical properties through the formation of a hard ceramic phase.

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《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2020年第14期|1419-1430|共12页
作者
Yongfu Wang; Changlin Yang; Jianbin Li;
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作者单位

State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an, Shanxi, People's Republic of China;

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正文语种英语
中图分类工程材料学;
关键词
TiC formation; microstructure; hardness; solidification; wear-resistant steel;

Effects of TiC formation on the microstructure and hardness of wear-resistant steel

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