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HVOF sprayed Fe-based wear-resistant coatings with carbide reinforcement, synthesized in situ and by mechanically activated synthesis
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SYSNO ASEP 0538140 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title HVOF sprayed Fe-based wear-resistant coatings with carbide reinforcement, synthesized in situ and by mechanically activated synthesis Author(s) Tkachivskyi, D. (EE)
Juhani, K. (EE)
Surženkov, A. (EE)
Kulu, P. (EE)
Tesař, Tomáš (UFP-V) ORCID
Mušálek, Radek (UFP-V) RID, ORCID
Lukáč, František (UFP-V) ORCID
Antoš, J. (CZ)
Vostřák, M. (CZ)
Antonova, M. (LV)
Goljandin, D. (EE)Number of authors 11 Article number 1092 Source Title Coatings. - : MDPI
Roč. 10, č. 11 (2020), s. 1-15Number of pages 15 s. Language eng - English Country CH - Switzerland Keywords Abrasive wear ; Coating ; Cr C –Ni 3 2 ; In situ synthesis ; Mechanically activated synthesis ; Powder ; Thermal spray ; TiC–NiMo Subject RIV JP - Industrial Processing OECD category Materials engineering Method of publishing Open access Institutional support UFP-V - RVO:61389021 UT WOS 000593673900001 EID SCOPUS 85096127089 DOI 10.3390/coatings10111092 Annotation The aims of this study were: (1) to produce composite coatings by high velocity oxy fuel (HVOF) spraying with steel matrix reinforced by cermets (a) Cr3C2–20%Ni and (b) TiC–20%NiMo, manufactured by mechanically activated synthesis (MAS), (2) to synthesize in situ a carbide reinforcement for iron matrix from a mixture of titanium and carbon during HVOF reactive thermal spraying (RTS), (3) to compare the wear resistance of produced coatings. As a reference, HVOF sprayed coatings from commercial Cr3C2–25%NiCr (Amperit 588.074) and AISI 316L were utilized. Study of microstructure revealed the inhomogeneity of the Cr-based MAS coating, the Ti-based MAS coating had typical carbide granular structure, and the Ti-based RTS coating possessed elongated structures of TiC. The X-ray diffraction revealed two main phases in the Cr-based MAS coating: Cr3C2 and austenite, and two phases in the Ti-based coatings: TiC and austenite. Among the studied coatings, the Cr-based MAS coating demonstrated the highest low-force hardness (490 HV0.3). During the abrasive rubber wheel test (ASTM G65), the Ti-based MAS coating showed the best wear resistance, followed by Cr3C2–25%NiCr and Ti-based RTS coating. In the abrasive–erosive test (GOST 23.201-78), the Ti-based MAS coating was 44% better than Cr3C2–25%NiCr coating. The Ti-based RTS coating was 11% more wear resistant than the reference Cr3C2–25%NiCr coating. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2021 Electronic address https://www.mdpi.com/2079-6412/10/11/1092
Number of the records: 1