The results indicate that not only segregation phenomenon of primary carbide in the semi-solid structure but also sharp dividing line of the segregation, where the dividing line locates at the distance of about 6 mm from the radial outer face of the annular parts, can be observed.
结果表明,首先在半固态组织中初生碳化物出现偏析现象,且存在明显的偏析分界线,分界线位于距离环形铸件径向外侧面约6mm处。
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