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SEM study on the M7C3 carbide nucleation during eutectic solidification of high-chromium white irons

  • A. Bedolla-Jacuinde EMAIL logo , B. Hernández and L. Béjar-Gómez
Published/Copyright: February 2, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 96 Issue 12

Abstract

This work shows the nature of nucleation and growth of M7C3 carbides in high-chromium white irons during eutectic solidification using scanning electron microscopy. Different chemical compositions of hypoeutectic high-chromium irons were used for the present study. Imaging was undertaken on a JEOL 6400 scanning electron microscope (SEM) on samples where solidification was interrupted by decantation techniques. Bar- and plate-like carbides, which seemed to nucleate on the surface of primary dendrites and at the solute-rich areas between secondary arms, were observed in these irons. The final carbide morphology in the alloys is discussed in terms of the eutectic nucleation and the preferred crystallographic growth direction of the carbide phase.

Keywords: Eutectic solidification; M7C3 carbides; Highchromiumiron; Electron microscopy
Dr. Arnoldo Bedolla-Jacuinde Instituto de Investigaciones Metalúrgicas, Universidad Michoacana de San Nicolás de Hidalgo Edificio “U” Ciudad Universitaria, Morelia, Michoacán C.P. 58000, Mexico Tel.: +52 443 322 3500, Ext: 4035 Fax: +52 443 326 5766 or 316 8355

  1. The authors wish to thank the Universidad Michoacana for funding this research work.

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Received: 2004-02-12
Accepted: 2005-07-08
Published Online: 2022-02-02

© 2005 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Articles Basic
  3. Kinetics of crystallization of amorphous Mg80Cu10Y10
  4. Thermodynamic description of the Al–Fe–Mg–Mn–Si system and investigation of microstructure and microsegregation during directional solidification of an Al–Fe–Mg–Mn–Si alloy
  5. Effect of Ca addition on precipitation in the Pb-4 wt.% Sn alloy
  6. Binary phase diagrams of the rare earth metals with zinc: the Tb–Zn, Ho–Zn and Er–Zn systems
  7. SEM study on the M7C3 carbide nucleation during eutectic solidification of high-chromium white irons
  8. Manifestations of dynamic strain ageing in 2090 Al–Li alloy
  9. Articles Applied
  10. Study on susceptibility of Al–Si alloy castings to surface refinement with TIG arc
  11. Grain refinement of an AZ63B magnesium alloy by an Al–1C master alloy
  12. Retrogression, reaging, and mechanical behaviour of a 1441 Al–Li–Cu–Mg–Zr alloy
  13. The variation of microstructure by α–β forging and its effect on the strength and ductility in Ti–6Al–4V alloy
  14. Interfacial reaction and shear strength of Sn–0.7Cu solder/electrolytic Ni joints with reflow time
  15. Effect of niobium on the mechanical properties of powder-metallurgy processed high-speed steels
  16. High temperature behaviour of H13 steel
  17. Notifications/Mitteilungen
  18. Personal/Personelles
  19. Conferences/Konferenzen
https://doi.org/10.3139/ijmr-2005-0238
Keywords for this article
Eutectic solidification; M7C3 carbides; Highchromiumiron; Electron microscopy

Articles in the same Issue

  1. Frontmatter
  2. Articles Basic
  3. Kinetics of crystallization of amorphous Mg80Cu10Y10
  4. Thermodynamic description of the Al–Fe–Mg–Mn–Si system and investigation of microstructure and microsegregation during directional solidification of an Al–Fe–Mg–Mn–Si alloy
  5. Effect of Ca addition on precipitation in the Pb-4 wt.% Sn alloy
  6. Binary phase diagrams of the rare earth metals with zinc: the Tb–Zn, Ho–Zn and Er–Zn systems
  7. SEM study on the M7C3 carbide nucleation during eutectic solidification of high-chromium white irons
  8. Manifestations of dynamic strain ageing in 2090 Al–Li alloy
  9. Articles Applied
  10. Study on susceptibility of Al–Si alloy castings to surface refinement with TIG arc
  11. Grain refinement of an AZ63B magnesium alloy by an Al–1C master alloy
  12. Retrogression, reaging, and mechanical behaviour of a 1441 Al–Li–Cu–Mg–Zr alloy
  13. The variation of microstructure by α–β forging and its effect on the strength and ductility in Ti–6Al–4V alloy
  14. Interfacial reaction and shear strength of Sn–0.7Cu solder/electrolytic Ni joints with reflow time
  15. Effect of niobium on the mechanical properties of powder-metallurgy processed high-speed steels
  16. High temperature behaviour of H13 steel
  17. Notifications/Mitteilungen
  18. Personal/Personelles
  19. Conferences/Konferenzen
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