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Laser Alloying of Surface of Ti-5.5Al-2Zr-1Mo-1 V Titanium near-α-Alloy Prepared Via Melted by Pulsed Laser Radiation TiC Particles

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Abstract

Laser alloying of the surface of Ti-5.5Al-2Zr-1Mo-1 V titanium near-α-alloy was carried out in order to improve the surface properties. The surface of the titanium alloy was being melted by pulsed laser radiation while TiC alloying powder component was being supplied to the laser irradiation zone. As a result of laser alloying, partial melting of the powder particles of titanium carbide and mixing them with the substrate metal resulted in the formation of new disperse TiC phases in the form of dendrites and highly dispersed phases. It is shown that laser alloying of Ti-5.5Al-2Zr-1Mo-1 V titanium near-α-alloy by pulsed laser radiation leads to a 1.4 times increase in hardness of the surface of the titanium alloy and reduces friction coefficient 1.2 times.

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Acknowledgments

The author are grateful to the Ministry of Education of the Russian Federation for supported research projects № 9.3236.2017/4.6.

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  1. Kazan National Research Technical University named after A.N. Tupolev – KAI, Kazan, Russia

    A. I. Gorunov

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  1. A. I. Gorunov
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Correspondence to A. I. Gorunov.

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Gorunov, A.I. Laser Alloying of Surface of Ti-5.5Al-2Zr-1Mo-1 V Titanium near-α-Alloy Prepared Via Melted by Pulsed Laser Radiation TiC Particles. Lasers Manuf. Mater. Process. 6, 26–40 (2019). https://doi.org/10.1007/s40516-018-0076-0

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  • DOI: https://doi.org/10.1007/s40516-018-0076-0

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