Applying Surface Plasma Hardening for Improving the Tribological Characteristics of Steel Parts

• Autorzy: Rahadilov Bauyrzhan , Zhurerova Laila , Sagdoldina Zhuldyz

Warianty tytułu

PL

Zastosowanie utwardzania plazmowego powierzchni w celu poprawy właściwości tribologicznych części stalowych

• Języki publikacji: EN

Abstrakty

EN

This work presents the results of experimental studies on the application of surface plasma hardening to improve the tribological characteristics of steel marks of 40CrNi, 20Cr2Ni4A, and 34CrNi1Mn. According to the obtained results, it was established that, after plasma treatment, a modified layer with a thickness of 1–1.2 mm with high hardness and wear resistance is formed, consisting of a hardened layer of fine-grained martensite and, an intermediate layer of perlite and martensite. It was determined that, after treatment with a heating time of 3 min, the microhardness of steels 40CrNi and 20Cr2Ni4A doubles, and the steel 34CrNi1Mn increases 1.6 times, depending on the initial state, and the wear resistance of all steel samples increases, on average, 30 times.

PL

W niniejszej pracy przedstawiono wyniki eksperymentalnych badań nad stosowaniem utwardzania plazmy powierzchniowej w celu poprawy charakterystyki tribologicznej próbek stalowych 40CrNi, 20Cr2Ni4A i 34CrNi1Mn. Zgodnie z uzyskanymi wynikami ustalono, że po obróbce plazmowej powstaje zmodyfikowana warstwa o grubości 1–1,2 mm o dużej twardości i odporności na ścieranie, składająca się z utwardzonej warstwy drobnoziarnistego martenzytu i warstwy pośredniej z perlitu i martenzytu. Stwierdzono, że po obróbce z czasem ogrzewania 3 min mikrotwardość stali 40CrNi i 20Cr2Ni4A podwaja się, a stal 34CrNi1Mn wzrasta 1,6 razy, w zależności od stanu początkowego, i odporność na zużycie wszystkich próbek stali wzrasta średnio 30 razy.

Słowa kluczowe

EN

plasma hardening; microhardness; wear resistance; modified surface layer; martensite; residual austenite; friction coefficient; amount of wear

PL

utwardzanie plazmowe; mikrotwardość; odporność na zużycie; modyfikowana warstwa powierzchniowa; martenzyt; austenit szczątkowy; współczynnik tarcia; zużycie

• Wydawca: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
• Czasopismo: Tribologia
• Rocznik: 2019
• Tom: nr 1
• Strony: 49--55
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Rahadilov Bauyrzhan

• S. Amanzholov East Kazakhstan State University, Ust-Kamenogorsk, Kazakhstan

autor

Zhurerova Laila

• D. Serikbaev East Kazakhstan State Technical University, Ust-Kamenogorsk, Kazakhstan

autor

Sagdoldina Zhuldyz

• S. Amanzholov East Kazakhstan State University, Ust-Kamenogorsk, Kazakhstan

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).