Characteristics of semi-solid gradient microstructure of high chromium white cast iron prepared by inclined cooling body-centrifugal casting

Zhifu Huang, Anfeng Zhang, Jiandong Xing, Weidong Huang

Research output: Contribution to journalArticlepeer-review

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Abstract

The microstructure of semi-solid annular specimen prepared by inclined cooling body-centrifugal casting was observed. It was found that compared with those of the specimen obtained by conventional forming method, primary austenite in the semi-solid high Cr white cast iron becomes fine and equiaxed. The morphology and distribution of primary austenite in the semi-solid high Cr white cast iron are changed with the distance increase from the outer profile of the annular specimen, divided into four regions from external layer to internal layer, such as fine small austenite dendrite region, interface region of primary equiaxed austenite region and fine small dendritic austenite region and primary equiaxed austenite region, bulky primary dendritic austenite region, in which interface region lies about 10~15 nm from outer profile.

Original languageEnglish
Pages (from-to)449-450
Number of pages2
JournalTezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys
Volume25
Issue number8
StatePublished - Aug 2005

Keywords

  • High Cr cast iron
  • Inclined cooling body-centrifugal casting
  • Primary austenite
  • Semi-solid gradient microstructure

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