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Effect of chemical composition and superheat on macrostructure of high Cr white iron castings

Conference ·
OSTI ID:901598

White cast irons are frequently used in applications requiring high wear resistance. High Cr white cast irons have a composite microstructure composed of hard (Fe,Cr)7C3 carbides in a steel matrix. Previous research has indicated that the equiaxed region of these high Cr white iron castings is much more wear resistant under high stress abrasive conditions than the columnar region, when the carbides are oriented perpendicular to the wear surface. In the present study, the effect of both the chemical composition, particularly carbon content, and the pouring superheat of the melt on the macrostructure of high Cr white iron castings is investigated.

Research Organization:
Albany Research Center (ARC), Albany, OR
Sponsoring Organization:
USDOE - Office of Fossil Energy (FE)
OSTI ID:
901598
Report Number(s):
DOE/ARC-2005-027
Country of Publication:
United States
Language:
English

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