In Situ TiC-Reinforced Steel Matrix: Heterogeneous Nucleation and Formation Mechanism of Divorced Eutectic TiC

Gang Du, Feng Liu, Chang lin Yang, Jian bing Li, Yong fu Wang

科研成果: 期刊稿件文章同行评审

5 引用 (Scopus)

摘要

Divorced eutectic TiC (TiCE) influences the mechanical properties of TiC-reinforced wear-resistant steels. However, there is a lack of information with respect to the heterogeneous nucleation, growth, and formation mechanism of divorced TiCE. To this end, the morphology, orientation, and origin of the divorced TiCE in TiC-reinforced wear-resistant steel are thoroughly examined. Combined with the calculated planar disregistry between primary TiC (TiCP) and divorced TiCE and their actual orientation relationship examined using the electron backscatter diffraction (EBSD) technique, it is indicated that TiCP serves as the preferred heterogeneous site for divorced TiCE during solidification. The precipitation mechanism for the divorced TiCE on the TiCP is put forward and accounts for why the direction of [100] is the preferential growth direction.

源语言英语
文章编号1900673
期刊Steel Research International
91
7
DOI
出版状态已出版 - 1 7月 2020

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