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Soft magnetic composites manufactured by warm co-extrusion of bulk metallic glass and steel powders
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10.1063/1.4793610
/content/aip/journal/jap/113/17/10.1063/1.4793610
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4793610

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope images of polished cross section of extrusion 2 (75% Mn5b + 25% AncorSteel 150HP). Plane of image is parallel to extrusion direction. Composition analysis by energy dispersive x-ray spectroscopy confirms that dark regions correspond to prior particles of AncorSteel 150HP and light regions correspond to Mn5b bulk metallic glass.

Image of FIG. 2.
FIG. 2.

X-ray diffraction of extrusion 2 (75% Mn5b + 25% AncorSteel 150HP). Red vertical lines indicate peaks that index to α-Fe (JCPDF card # 6-696). Split peak at 44°2Θ indicates that bulk metallic glass partially crystallized during extrusion.

Tables

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Table I.

Specified compositions of bulk metallic glass powders.

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Table II.

Properties of bulk metallic glass and steel powders. Amorphous powders were sieved to −400 mesh fraction to yield fully amorphous fraction (particle size less than 37 m). DC coercivity of Mn3b and Mn5b was below the resolution of the instrument (<40 A/m).

Generic image for table
Table III.

Summary of properties of extruded bulk metallic glass (BMG) and steel composites. All samples extruded at a temperature of 580 °C with total processing time of 9 min. Extrusions 1, 3, and 4 were quenched in water after extrusion. Extrusion 2 was air cooled.

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/content/aip/journal/jap/113/17/10.1063/1.4793610
2013-03-07
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Soft magnetic composites manufactured by warm co-extrusion of bulk metallic glass and steel powders
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4793610
10.1063/1.4793610
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