Increase of wear resistance of Сr18Ni10Ti stainless steel by method of electric-spark alloying with electrodes of refractory metals and graphite

Agafii Vasile; Mikhailov Valentin; Kazak Natalia; Volodina Galina; Cracan Cornel

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442

SM ISO690:2012

AGAFII, Vasile, MIKHAILOV, Valentin, KAZAK, Natalia, VOLODINA, Galina, CRACAN, Cornel. Increase of wear resistance of Сr18Ni10Ti stainless steel by method of electric-spark alloying with electrodes of refractory metals and graphite. In: BALTTRIB: 2017 - Dedicated to 100th Anniversary of Restitution of Lithuania , Ed. 9, 16-17 noiembrie 2017, Kaunas. Kaunas; Lithuania: Vytautas Magnus University, 2018, Ediția 9, pp. 53-56. ISBN 978-609-449-127-6. ISSN 2424-5089. DOI: https://doi.org/10.15544/balttrib.2017.11

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BALTTRIB
Ediția 9, 2018

Conferința "International Scientific Conference BALTTRIB 2017"
9, Kaunas, Lituania, 16-17 noiembrie 2017

Increase of wear resistance of Сr18Ni10Ti stainless steel by method of electric-spark alloying with electrodes of refractory metals and graphite

DOI:https://doi.org/10.15544/balttrib.2017.11

Pag. 53-56

Agafii Vasile, Mikhailov Valentin, Kazak Natalia, Volodina Galina, Cracan Cornel

Institute of Applied Physics, Academy of Sciences of Moldova

Disponibil în IBN: 18 iulie 2021

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The article presents the results of wear testing of stainless steel Cr18Ni10Тi treated with electrodes made of refractory metals and graphite by the method of electric-spark alloying. It was established that all electrospark coatings had a higher wear resistance than the Cr18Ni10Ti uncoated steel. Wear resistance of coatings was increased in the direction→ Mo + Graphite→Ti + Ni→ W + Graphite →Ti + Al + Graphite. X-ray diffraction analysis showed that molybdenum, tungsten, titanium carbides and other solid materials such as titanium nitride and nickel-titanium intermetallide are formed on the doped steel surfaces, which increased microhardness from 4.9 to 8 times and wear resistance from 1.63 to 29 times.

Cuvinte-cheie
coatings, Electric-spark alloying, microhardness, Stainless steel Cr18Ni10Ti, Wear, wear resistance

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