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Materials Processing through Levitation in High Gas Pressure

Published online by Cambridge University Press:  15 February 2011

Makoto Nanko  and
K. Ishizaki
Makoto Nanko
Affiliation:
Nagaoka University of Technology, Department of Materials Science and Engineering, School of Mechanical Engineering, Nagaoka, Niigata 940–21, Japan
K. Ishizaki
Affiliation:
Nagaoka University of Technology, Department of Materials Science and Engineering, School of Mechanical Engineering, Nagaoka, Niigata 940–21, Japan
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Abstract

New levitation materials processing on the ground was developed using high gas pressure. Conventional levitation materials processes are carried out in microgravity fields, such as in space or in free-falling, or by applying aerodynamic force, electromagnetic force etc.. This innovated method is based on buoyancy by very high density of high pressure gas. Advantages of this new method are not only as a containerless processing which is able to prepare high purity materials, to produce perfect spheres, but also the possibility to use normal HIP techniques. It is expected that the new processing is applicable in many fields and easy to commercialize.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 251: Symposium S – Pressure Effects on Materials Processing and Design , 1991 , 47
Copyright
Copyright © Materials Research Society 1992

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References

REFERENCES

1. Weber, J. K. Richard, Krishnan, Shankar and Paul, Nordine, C., JOM 43, (7) 8–14 (1991).CrossRefGoogle Scholar
2. Ishizaki, Kozo and Nanko, Makoto, Japanese Patent pending (1991).Google Scholar
3. Nanko, Makoto, Sakayori, Wataru, Ishizaki, Kozo, Uehara, Katuhiro and Ueda, Masakazu in Pressure Effects on Materials Processing and Design, edited by Ishizaki, K. and Hodge, E.. (Mater. Res. Soc. Pros., Boston MA 1991).Google Scholar