Research of Alternative Options for Strengthening Surface Treatment of Cast Iron Products

Abstract:

The article considers issues of increasing wear resistance of cast iron products by methods of thermochemical treatment of their surface layer. Methods are proposed to solve the problem of wear from cast iron of grade EN-JS1060 due to development of technological processes of strengthening treatment. Alternative versions of strengthening technologies are represented by nitrocarburizing, liquid nitriding and carbonitration. Results of examination of control samples at increasing loads after 200 N before catastrophic wear are given. Comparative analysis of these results showed that samples after carbonitration and liquid nitriding had the greatest bearing capacity (1000 N). Carbonitration is selected as a most preferred option of the surface hardening treatment. Non-poisonous cyanoacid salts are used to realize it.

• Periodical: Defect and Diffusion Forum (Volume 410)
• Pages: 9-14
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.410.9
• Online since: August 2021
• Authors: Nataliia V. Vodolazskaya*, Olga A. Sharaya
• Keywords: Cast Iron, Hardening, Thermochemical Treatment, Wear Resistance

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