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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (Print)

Plasma nitriding technique to harden the railway wheel sets

P.P. Ivanov
Science and Engineering Center for Energy-Efficient Processes and Equipment of Joint Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 127412, Russia

E. Kh. Isakaev
Science and Engineering Center for Energy-Efficient Processes and Equipment of Joint, Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 127412, Russia

A.S. Tyuftyaev
Science and Technological Center of Associated Institute of High Temperature Russian Academy of Science - 13/19 Izhorskya St, Moscow, 127 412 - Russia

G. A. Zhelobtsova
Science and Engineering Center for Energy-Efficient Processes and Equipment of Joint Institute for High Temperatures of Russian Academy of Sciences Izhorskaya 13/19, Moscow, 127412, Russia

Abstract

Tests for plasma nitridingrailway wheels have been performed. The nitrided - metal outperforms the untreated metal in every way. Unusual structural components appear due to the saturation of steel with nitrogen in the process of plasma treatment. The smooth transitional zone ensures the strength of traction between the hardened zone and the bulk of metal.