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Journal of Phase Equilibria

, 14:583 | Cite as

High-temperature phase equilibria in Cr-Cr3Si two-phase alloys

  • J- A. Sutlijfand
  • B. P. Bewlay
  • H. A. Lipsitt
Section I: Basic and Applied Research

Abstract

Phase equilibria in two-phase Cr-Cr3Si alloys have been investigated using metallography, XRD, and electron microprobe analysis. Cr-Si alloys with compositions of up to 15.0% Si were directionally solidified using cold crucible Czochralski crystal growth and equilibrated chemically at either 1200,1400, or 1600 °C. Measured Si concentrations of the Cr and the Cr3Si phases were found to be significantly lower than those given by the most recent assessment of the Cr-Si phase diagram, particularly at temperatures above 1200 °C. This explains why the volume fraction of Cr3Si in the directionally solidified eutectic is lower than that predicted by the assessed phase diagram. X-ray lattice parameter data for both Cr and Cr3Si are also reported.

Keywords

Directional Solidification Eutectic Temperature Eutectic Composition Measured Composition Interlamellar Spacing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ASM International 1993

Authors and Affiliations

  • J- A. Sutlijfand
    • 1
  • B. P. Bewlay
    • 1
  • H. A. Lipsitt
    • 2
  1. 1.Corporate Research and Development CenterGeneral Electric CompanySchenectady
  2. 2.Department of Mechanical and Materials EngineeringWright State UniversityDayton

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