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Healing of Pores in Metals by Magnetic Pressure Pulses

Published online by Cambridge University Press:  28 February 2011

V.I. Betedhtin ,
A.B. Pakhomov ,
B.P. Peregood ,
A.I. Petrov  and
M. V. Razuvaeva
V.I. Betedhtin
Affiliation:
A.F.Ioffe Physical—Technical Institute of the Academy of Sciences, Leningrad, 194021, USSR
A.B. Pakhomov
Affiliation:
A.F.Ioffe Physical—Technical Institute of the Academy of Sciences, Leningrad, 194021, USSR
B.P. Peregood
Affiliation:
A.F.Ioffe Physical—Technical Institute of the Academy of Sciences, Leningrad, 194021, USSR
A.I. Petrov
Affiliation:
A.F.Ioffe Physical—Technical Institute of the Academy of Sciences, Leningrad, 194021, USSR
M. V. Razuvaeva
Affiliation:
A.F.Ioffe Physical—Technical Institute of the Academy of Sciences, Leningrad, 194021, USSR
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Abstract

The problem of healing of microscopic pores and cracks in the temperature field and understatic and dynamic pressures attracts considerable attention. Indeed, regeneration of continuity leads to a significant improvement of physical and mechanical properties of the materials where micropores were formed as a result of long—term loading (high—temperature creep, fatigue), surface deformation (friction, wear, grinding), specialconditions of processing (casting, powder metallurgy, condensed films) [1– 10]. For instance, the elimination of porosity allows longer lifetimes [1– 7] and higher ultimate strength [8], elastioonstants [91], and also electric and magnetic properties [10]to be achieved.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 195: Symposium S – Physical Phenomena in Granular Materials , 1990 , 511
Copyright
Copyright © Materials Research Society 1990

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References

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