Corrosion resistance and tribological properties of plasma nitrided and tenifered 42CrMo4 steel

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Corrosion resistance and tribological properties of plasma nitrided and tenifered 42CrMo4 steel

Popis výsledku v původním jazyce

Plasma nitriding is a great thermochemical treatment, widely used in many technical applications as a final operation to improve the mechanical, tribological and corrosion properties of steel. This article deals with wear and corrosion resistance comparison of plasma nitrided and tenifered 42CrMo4 steel, which is widely used in manufacturing of breech mechanism in the armament production. The prepared steel samples were plasma nitrided under different nitriding gas mixture at 500 °C for 10h and tenifered for 45 min at temperature 590°C followed by oxidation process for 10 min at 430°C. For comparing the properties of samples treated by these selected technologies, the test “ball on flat” was carried out on the tribometer device UMT-3 and the corrosion resistance evaluation was realized by the NSS corrosion tests in the condensation chamber. The results were supplemented by the GDOES concentration profiles analyses, microhardness (HV 0.05), surface hardness, and microstructure evaluation. Based on the wear and corrosion tests, it was found that above evaluated technologies are suitable for increasing of wear and corrosion resistance simultaneously, which can be useful in weapons production.

Název v anglickém jazyce

Corrosion resistance and tribological properties of plasma nitrided and tenifered 42CrMo4 steel

Popis výsledku anglicky

Plasma nitriding is a great thermochemical treatment, widely used in many technical applications as a final operation to improve the mechanical, tribological and corrosion properties of steel. This article deals with wear and corrosion resistance comparison of plasma nitrided and tenifered 42CrMo4 steel, which is widely used in manufacturing of breech mechanism in the armament production. The prepared steel samples were plasma nitrided under different nitriding gas mixture at 500 °C for 10h and tenifered for 45 min at temperature 590°C followed by oxidation process for 10 min at 430°C. For comparing the properties of samples treated by these selected technologies, the test “ball on flat” was carried out on the tribometer device UMT-3 and the corrosion resistance evaluation was realized by the NSS corrosion tests in the condensation chamber. The results were supplemented by the GDOES concentration profiles analyses, microhardness (HV 0.05), surface hardness, and microstructure evaluation. Based on the wear and corrosion tests, it was found that above evaluated technologies are suitable for increasing of wear and corrosion resistance simultaneously, which can be useful in weapons production.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20501 - Materials engineering

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL 2016 - 25th Anniversary International Conference on Metallurgy and Materials

ISBN

978-80-87294-67-3

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

1103-1108

Název nakladatele

TANGER Ltd.

Místo vydání

Brno, Czech Republic

Místo konání akce

Brno

Datum konání akce

25. 5. 2016

Typ akce podle státní příslušnosti

CST - Celostátní akce

Kód UT WoS článku

000391251200179