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Investigation for the Selection of Foaming Agents to Produce Steel Foams

Published online by Cambridge University Press:  10 February 2011

C. J. Yu ,
H. H. Eifert ,
M. Knuewer ,
M. Weber  and
J. Baumeister
C. J. Yu
Affiliation:
Fraunhofer Resource Center Delaware, Newark, DE 19716
H. H. Eifert
Affiliation:
Fraunhofer Resource Center Delaware, Newark, DE 19716
M. Knuewer
Affiliation:
Fraunhofer Institute for Applied Materials Research, Bremen, Germany
M. Weber
Affiliation:
Fraunhofer Institute for Applied Materials Research, Bremen, Germany
J. Baumeister
Affiliation:
Fraunhofer Resource Center Delaware, Newark, DE 19716
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Abstract

During earlier investigations conducted at the Fraunhofer Institute for Applied Materials Research (IFAM), concentrating on the metal foaming technology using the powder metallurgy process, it was shown that some steel alloys are foamable with Fraunhofer's patented powder technology approach. To further investigate the foamability of steel alloys, suitable foaming agents need to be identified and characterized. This article reports the finding of two metallic compounds used for steel foaming. The foaming behaviors of the selected foaming agents in the steel powder compacts are also evaluated in terms of different alloying elements.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 521: Symposium R – Porous & Cellular Materials for Structural Applications , 1998 , 145
Copyright
Copyright © Materials Research Society 1998

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References

REFERENCES

1. Baumeister, J. and Schrader, H., “Method for Manufacturing Foamable Metal Bodies”, U.S. Patent No. 5,151,246.Google Scholar
2. Weber, M., Knuewer, M., Bleck, W. and Feldhaus, S., “Entwicklung hochporoeser Stahlschaeme”, Studiengesellschaft Stahlanwendung e.V., ISBN 3–930621–74–6.Google Scholar