Recent developments in understanding nucleation and crystallization of spheroidal graphite in iron-carbon-silicon alloys

DM Stefanescu, G Alonso, R Suarez - Metals, 2020 - mdpi.com
The last decade has witnessed significant research efforts directed to the understanding of
nucleation and crystallization of graphite and associated solidification phenomena, driven in …

Reexamination of crystal growth theory of graphite in iron-carbon alloys

DM Stefanescu, G Alonso, P Larranaga, E De la Fuente… - Acta Materialia, 2017 - Elsevier
Most analysis of graphite morphology in cast iron-carbon alloys is performed on samples
cooled to room temperature. This raises the concern that the crystallization of graphite is …

[HTML][HTML] Graphite nucleation on (Al, Si, Mg)-nitrides: Elucidating the chemical interactions and turbostratic structures in spheroidal graphite cast irons

L Michels, B Cygan, M Pawlyta, J Jezierski, A Götz… - Carbon, 2024 - Elsevier
Abstract The ubiquitous (Al, Si, Mg)-nitride has been the focus of recent investigations of
spheroidal graphite irons. In particular, because they have been systematically found in the …

On the crystallography of the Mg–Si–Al nitride nuclei and of the graphite/nitride interface in spheroidal graphite iron

G Alonso, T Tokarski, DM Stefanescu, M Górny, G Cios… - Carbon, 2022 - Elsevier
Abstract The role of Mg–Si–Al nitrides in the nucleation of low-sulfur spheroidal graphite Fe–
C–Si alloys has been previously documented. It was demonstrated that when acting as …

[HTML][HTML] Synchrotron quantification of graphite nodule evolution during the solidification of cast iron

MA Azeem, MK Bjerre, RC Atwood, N Tiedje, PD Lee - Acta Materialia, 2018 - Elsevier
In cast iron, graphite develops in conjunction with the metallic matrix during solidification.
The morphology and distribution of the embedded graphite is pivotal for mechanical …

Graphite nucleation in compacted graphite cast iron

G Alonso, DM Stefanescu, P Larrañaga… - International Journal of …, 2020 - Springer
During the last several decades, a multitude of theories have attempted to explain the
process of graphite nucleation in lamellar (LG) and spheroidal (SG) graphite iron castings …

On the role of turbostratic graphite in the crystallization of spheroidal graphite during the liquid-to-solid transformation

DM Stefanescu, T Tokarski, G Alonso, M Górny… - … Materials Transactions B, 2023 - Springer
While turbostratic graphite is documented in many forms of graphite, there is a paucity of
information on its contribution to the crystallization of spheroidal graphite (SG) in cast iron …

Mats Hillert's Invaluable Contributions to Cast Irons

J Lacaze - Journal of Phase Equilibria and Diffusion, 2024 - Springer
The microstructures and properties of foundry alloys designated by the generic term “cast
irons” are highly diverse, even if we limit ourselves to so-called silicon cast irons, which are …

Structure, performance and deposition control of the graphitic carbon protective layer in blast furnace hearth

G Feng, K Jiao, Y Zong, J Zhang - Journal of Cleaner Production, 2025 - Elsevier
Hundreds of operational blast furnaces annually are forced to be maintained using
traditional methods due to hearth safety, significantly increasing carbonaceous fuel …

A comparative study of graphite growth in cast iron and in analogous systems

DM Stefanescu, G Alonso, P Larrañaga… - International Journal of …, 2018 - Springer
Crystallization of graphite during the solidification and cooling of cast iron to room
temperature has been the object of relentless, yet often inconclusive research. The …