[Kovove materialy - Metallic materials]
    Mon - December 02, 2024 - 16:03 No. of hits : 1803097 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 57 (2019), Issue 1

Wear performance of ductile iron after electrolytic plasma hardening
AYDAY, A., DURMAN, M.
vol. 57 (2019), no. 1, pp. 19 - 26
DOI: 10.4149/km_2019_1_19

Abstract
This study aimed to improve the tribological behavior of electrolytic plasma treated (EPT) ductile iron (DI). For this purpose, ductile iron was electrolytic plasma hardened under different processing parameters (treatment time and thermal cycle). Three different types of specimens were tested: untreated DI, electrolytic plasma hardened DI and remelted DI by two type wear test. It was found that remelted DI performed much better concerning wear resistance than the other samples. The microstructure of the hardened specimens was investigated using optical microscopy. Microhardness profiles and surface hardness were investigated via the Rockwell test. The microstructure and hardness of the EPT hardened layer were dependent on the processing parameters, with the hardness values reaching the range 880–1080 ± 10 HV2.

Key words
electrolytic plasma hardening, ductile iron, hardness, remelting, wear

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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