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FORMATION OF GRADIENT SURFACE LAYERS BY MEANS OF MULTIFOLD LASER ALLOYING

Abstract

The capability of deriving laser alloying layers with a smoothly varying gradient of properties was investigated. It was reached by conducting of repeated alloying with a series of lower depth of a melting zone. Obtained nature of allocation structural component and gradient of properties through the thickness, as well as general morphology of the hardened layer have proved a high level of its operation properties in conditions of high contact loading.

About the Authors

O. G. Devoino
Belarusian National Technical University
Belarus


A. S. Kalinichenko
Belarusian National Technical University
Belarus


M. A. Kardapolova
Belarusian National Technical University
Belarus


References

1. Devoino, O. G., Kalinichenko, A. S., & Kardapolova, M. A. (2013) Modifying of a Surface of Coverings With use of the Laser Heating. Minsk: BNTU.

2. Lekala, M. B., Van Der Merwe J. W., & Pitya- na, S. L. (2012) Laser Surface Alloying of 316L Stainless Steel with Ru and Ni Mixtures. International Journal of Corrosion, vol. 2012, Article ID 162425, 4 pages, available at: http://dx.doi.org/10.1155/2012/162425.

3. Hung-Yi Chen, & Shiuh-Jer Huang. (2004) Ti6A14V Laser Alloying Process Control by Using a Self-Organizing Fuzzy Controller. International Journal of Machine Tools and Manufacture, 44 (15), 1653-1665.

4. Devoino, O. G., Kalinichenko, A. S., Pilipchuk, A. P., Kardapolova, M. A., Lutsko, N. I., & Lapkovsky, A. S. (2013) Control of properties’ gradients in processes of strengthening laser processing. Luchevye Tekhnologii i Primenenie Lazerov: 7 mezhdunarodnaia Nauchno-Tekhnicheskaia Konferentsiia [Beam Technologies & Laser Application: Proceedings of the 7 intern. scientific & tech. conf., 18-21 Sept. 2012]. Saint-Petersburg: St. Petersburg Polytechnic University, 203-211.


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For citations:


Devoino O.G., Kalinichenko A.S., Kardapolova M.A. FORMATION OF GRADIENT SURFACE LAYERS BY MEANS OF MULTIFOLD LASER ALLOYING. Science & Technique. 2014;(2):3-6.

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ISSN 2227-1031 (Print)
ISSN 2414-0392 (Online)