Modification of the hot work tool steel surface by different thermochemical treatments

Matijević, Božidar and Kumić, Ivan and Alar, Vesna (2011) Modification of the hot work tool steel surface by different thermochemical treatments. = Modification of the hot work tool steel surface by different thermochemical treatments. In: 19th IFHTSE Congress, 17-20.10.2011., Glasgow.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=533301

Abstract

The surface of the hot work tool steel X37CrMoV5-1 (W300) grade was subjected to different thermochemical treatments in order to improve its mechanical properties, corrosion and wear resistance. Nitrocarburising with or without post oxidation based on the TENIFER procedure and low temperature powder aluminising + nitrocarburising with or without post oxidation were performed. Nitrocarburised and nitrocarburised + post oxidised layers were characterized by testing their basic properties (compound layer thickness, nitrocarburising depth, micro hardness) as well as their corrosion resistance. First, the microstructures of aluminised + nitrocarburised samples (with or without post oxidation) were analysed by means of optical microscopy, and then the micro hardness distribution across the surface layer. Finally, the corrosion resistance of aluminised + nitrocarburised samples (with or without post oxidation) were examined. The Glow Discharge Optical Spectroscopy (GDOS) was employed to investigate the distribution of elements in the coating layer of tested samples.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): aluminising, nitriding, aluminide layer, nitride layer, corrosion resistance
Subjects: TECHNICAL SCIENCE > Chemical engineering
TECHNICAL SCIENCE > Metallurgy
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1020 Chair of Heat Treatment and Surface Engineering
1100 Department of Welded Structures > 1120 Chair of Materials Protection
Date Deposited: 21 Sep 2016 06:54
Last Modified: 21 Sep 2016 06:54
URI: http://repozitorij.fsb.hr/id/eprint/6567

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