Comparative study materials contact inserts for the pantograph on electric railway von L. A. Krjachko, V. G. Zatovskij, M. E. Golovkova

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The structure and properties of the composite W—50% (vol. ) Cu, prepared using a tungsten powder, activated by grinding in a ball mill von L. A. Krjachko, A. V. Laptev, A. I. Tolochin, N. D. Bega, Ja. I. Evich, M. E. Golovkova, A. V. Lebed

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