Materials Science

, Volume 52, Issue 3, pp 402–406 | Cite as

Low-Cycle Fatigue of Steels After Ion Nitriding in Hydrogen-Free Atmospheres

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Abstract

We present the results of investigation of low-cycle fatigue in bending for different types of steel after ion nitriding in hydrogen-free saturating atmospheres. The recommendations concerning the field of applicability of this technology of surface hardening in the process of operation are given. We make a conclusion that the procedure of ionic hardening in hydrogen-free atmospheres makes it possible to change the physicomechanical properties of the surface layers in broad ranges and substantially increase the low-cycle fatigue strength of structural steels. The maximum durability is attained by optimizing the parameters of the process of diffusion saturation.

Keywords

fatigue bending ion nitriding deformation surface 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Khmel’nyts’kyi National UniversityKhmel’nyts’kyiUkraine

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