Improving the Wear-Resistance of BT22 Titanium Alloy by Forming Nano-Cellular Topography via Laser-Thermochemical Processing.

Oleksandr Tisov, Alina Yurchuk, Mykhaylo Pashechko, Iryna Pohreliuk, Dariusz Chocyk, Myroslav Kindrachuk

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Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

6 authors.

Oleksandr TisovSchool of Aerospace Engineering, Xi'an Jiaotong University, West Xianning Road 28, Xi'an 710049, China.ORCID 0000-0002-3023-9624

Alina YurchukDepartment of Air Transport Organization, Faculty of Transport, Management and Logistics, National Aviation University, Lubomyra Huzara Ave. 1, 03058 Kyiv, Ukraine.

Mykhaylo PashechkoDepartment of Fundamentals of Technology, Fundamentals of Technology Faculty, Lublin University of Technology, Nadbystrzycka Str. 36, 20-618 Lublin, Poland.ORCID 0000-0001-9317-6141

Iryna PohreliukKarpenko Physico-Mechanical Institute of the NAS of Ukraine, Naukova Str. 5, 79060 Lviv, Ukraine.ORCID 0000-0002-3009-2829

Dariusz ChocykDepartment of Applied Physics, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka Str. 36, 20-618 Lublin, Poland.ORCID 0000-0002-4103-785X

Myroslav KindrachukAerospace Faculty, National Aviation University, Lubomyra Huzara Ave. 1, 03058 Kyiv, Ukraine.ORCID 0000-0002-0529-2466

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This paper studies the microstructure, phase composition and tribological response of BT22 bimodal titanium alloy samples, which were selectively laser-processed before nitriding. Laser power was selected to obtain a maximum temperature just a little above the α↔β transus point. This allows for the formation of a nano-fine cell-type microstructure. The average grain size of the nitrided layer obtained in this study was 300-400 nm, and 30-100 nm for some smaller cells. The width of the "microchannels" between some of them was 2-5 nm. This microstructure was detected on both the intact surface and the wear track. XRD tests proved the prevailing formation of Ti

Indexed as

BT22 titanium alloynitridingselective laser processingtwo-phase titanium alloywear-resistance

Identifiers

PMID37297035

DOI10.3390/ma16113900

PMCPMC10253833

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