Study of Mushy-Zone Development in Dendritic Microstructures with Glass-Forming Eutectic Matrices Using Electrostatic Levitation-Reference-Cited by-同舟云学术

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

Published:2013-06-02 Issue: Volume:2013 Page:1-7
ISSN:2090-6099
Container-title:ISRN Materials Science
language:en
Short-container-title:ISRN Materials Science

Author:

Kozachkov Henry¹,Kolodziejska Joanna A.¹,Roberts Scott¹,Li John J. Z.¹,Johnson William L.¹,Hofmann Douglas C.¹²

Affiliation:

1. Keck Laboratory of Engineering, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA

2. Engineering and Science Directorate, Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA

Abstract

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.

Funder

NASA’s Exploration Systems Mission Directorate

Publisher

Hindawi Limited

Subject

General Medicine

Link

http://downloads.hindawi.com/archive/2013/108363.pdf

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