Study of Mushy-Zone Development in Dendritic Microstructures with Glass-Forming Eutectic Matrices Using Electrostatic Levitation | Zendy

Henry Kozachkov | Zendy; Joanna A. Kolodziejska | Zendy; Scott Roberts | Zendy; John J. Z. Li | Zendy; William L. Johnson | Zendy; Douglas C. Hofmann | Zendy

Open Access

Study of Mushy-Zone Development in Dendritic Microstructures with Glass-Forming Eutectic Matrices Using Electrostatic Levitation

Author(s) -

Henry Kozachkov,

Joanna A. Kolodziejska,

Scott Roberts,

John J. Z. Li,

William L. Johnson,

Douglas C. Hofmann

Publication year - 2013

Publication title -

isrn materials science

Language(s) - English

Resource type - Journals

eISSN - 2090-6099

pISSN - 2090-6080

DOI - 10.1155/2013/108363

Subject(s) - materials science , eutectic system , microstructure , levitation , hysteresis , isothermal process , composite material , volume (thermodynamics) , matrix (chemical analysis) , thermodynamics , condensed matter physics , mechanical engineering , magnet , physics , engineering

The coarsening of dendrites in two bulk metallic glass matrix composites was investigated using noncontact techniques in a high vacuum electrostatic levitator. Progressive degrees of coarsening were observed after isothermal holds of varying duration. Specific volume and surface tension during heating and cooling were measured. Hysteresis in specific volume was observed.

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