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Manufacture of Penetrating-Pores Metals by High Gas Pressure

Published online by Cambridge University Press:  15 February 2011

Yoshihiro Okumoto ,
A. Takata  and
K. Ishizaki
Yoshihiro Okumoto
Affiliation:
Nagaoka University of Technology, Department of Materials Science and Engineering, School of Mechanical Engineering, Nagaoka, Niigata 940–21, Japan
A. Takata
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

Open porous metals can be made by direct hot isostatic press (HIP) treatment on a cold isostatic pressed body. In this work, porous metals with uniaxially penetrating pores were produced using a modified HIP method.

Penetrating pores from one surface to the other surface are useful for filter applications, and were produced by forcing pressurized gas to travel through samples by alternating the HiPping pressure during sintering.

In this experiment, copper powder was used. Samples produced with this new method have higher permeability coefficient than those produced by the normal HIP method.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 251: Symposium S – Pressure Effects on Materials Processing and Design , 1991 , 115
Copyright
Copyright © Materials Research Society 1992

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References

REFERENCES

1. Coeuret, F. and Langlois, S., Electrochimica Acta, 32, 1303–1309(1987)Google Scholar
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