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Textured microstructures in barium hexaferrite by magnetic field assisted gelcasting and templated grain growth

Hovis, David B. and Faber, K. T. (2001) Textured microstructures in barium hexaferrite by magnetic field assisted gelcasting and templated grain growth. Scripta Materialia, 44 (11). pp. 2525-2529. ISSN 1359-6462. https://resolver.caltech.edu/CaltechAUTHORS:20140908-181323309

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Abstract

The objective of this paper is to describe a method of producing textured barium hexaferrite by magnetic field assisted gelcasting while avoiding the limited solids loading caused by stacking of barium hexaferrite plates. We illustrate here a method of gelcasting a matrix of non-magnetic iron (III) oxide and barium carbonate in the presence of barium ferrite seeds for templated grain growth. At high temperatures, the iron oxide and barium carbonate react to form a fine-grained barium ferrite matrix surrounding the previously aligned barium ferrite seeds.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/S1359-6462(01)00957-5DOIArticle
http://www.sciencedirect.com/science/article/pii/S1359646201009575PublisherArticle
Additional Information:Copyright © 2001 Acta Materialia Inc. Published by Elsevier. (Received September 27, 2000) (Accepted December 27, 2000). This work is supported by the National Science Foundation under grant #DMR-9800257. Thanks to John Montgomery and Y. Jennifer Su for their helpful suggestions. Thanks to Thomas Rosenbaum of the University of Chicago for magnet strength measurements. Thanks to D. Lynn Johnson for helpful discussions.
Funders:
Funding AgencyGrant Number
NSFDMR-9800257
Subject Keywords:Templated grain growth; Casting; Microstructure
Issue or Number:11
Record Number:CaltechAUTHORS:20140908-181323309
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140908-181323309
Official Citation:David B Hovis, K.T Faber, Textured microstructures in barium hexaferrite by magnetic field assisted gelcasting and templated grain growth, Scripta Materialia, Volume 44, Issue 11, 1 June 2001, Pages 2525-2529, ISSN 1359-6462, http://dx.doi.org/10.1016/S1359-6462(01)00957-5. (http://www.sciencedirect.com/science/article/pii/S1359646201009575)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49393
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:09 Sep 2014 18:04
Last Modified:03 Oct 2019 07:13

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