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Comparison Between the Magnetic Properties of Ball Milled Nanocrystalline Perlitic Steel and the Running Surface of Rails in High Speed Railway Tracks

N.Takacs, D.L.Beke, L.Harasztosi
Dept. of Solid States Physics; University of Debrecen, Hungary;
Gy.Posgay, P.Molnar
Metalelektro Ltd. Budapest, Hungary;

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Summary

The milling

The MBN measurement device

Results

Fig 4: Changes of MBN rms value depend on milling time
Fig 5: The change of MBN rms value depends on grain size

Measurements on used rails

Conclusion

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