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The paper deals with the results of the comparative study into the structure and phase composition, as well as some properties (microhardness, corrosion resistance) of Ni-based powder coatings before and after their modification by DC electron beam or DC pulse plasma jet, according to the modes recommended on the basis of model calculations of the temperature profiles at irradiation. The transmission electron microscopy and X-ray analysis have revealed that irradiation leads to an increase in the volume fraction of reinforcing nanosized intermetallic components in the coatings. There were established certain similarities and differences in the structure and properties of the coatings modified by different types of irradiation. The microhardness of the irradiated coatings has increased in both cases along with the growth of the volume fraction of the CrNi₃ particle phase. However, it was found that the diffusion zone in the coatings modified by plasma jet is higher than that of the coatings modified by electron irradiation. The coating surface melted by the electron beam has a marked reduction of its roughness and better homogenization of the microstructure therefore demonstrating better adhesion and corrosion resistance.
Discipline
- 68.47.Gh: Oxide surfaces
- 81.07.-b: Nanoscale materials and structures: fabrication and characterization(for structure of nanoscale materials, see 61.46.-w; for nanostructured materials in electrochemistry, see 82.45.Yz; see also 62.23.-c Structural classes of nanoscale systems in mechanical properties of condensed matter)
- 81.15.-z: Methods of deposition of films and coatings; film growth and epitaxy(for structure of thin films, see 68.55.-a; see also 85.40.Sz Deposition technology in microelectronics; for epitaxial dielectric films, see 77.55.Px)
Journal
Year
Volume
Issue
Pages
838-841
Physical description
Dates
published
2016-04
Contributors
author
- East-Kazakhstan State Technical University, 69 Protozanov St, Ust-Kamenogorsk, 070004, Kazakhstan
author
- East-Kazakhstan State Technical University, 69 Protozanov St, Ust-Kamenogorsk, 070004, Kazakhstan
author
- East-Kazakhstan State Technical University, 69 Protozanov St, Ust-Kamenogorsk, 070004, Kazakhstan
References
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- [2] K. Kadyrzhanov, F. Komarov, A. Pogrebnyak, Ion-beam and Ion-Plasma Modification of Materials Press, MGU, Moscow 2005
- [3] Yu.F. Ivanov, E.V. Nadeikin, J. Rus. Phys. 8/2, 402 (2009)
- [4] D.L. Alontseva, S.N. Bratushka, M.V. Il'yashenko, M.V. Makhmudov, N.V. Prokhorenkova, Phys. of Metal and Metallography 113(8), 785 (2012), doi: 10.1134/S0031918X12080029
- [5] D.L. Alontseva, A.L. Krasavin, A.D. Pogrebnjak, A.V. Russakova, Acta Phys. Pol. A 123, 867 (2013), doi: 10.12693/APhysPolA.123.867
- [6] D.L. Alontseva, A.D. Pogrebnjak, T.A. Kolasnikova, A.V. Russakova, Mater. Sci. 19(3), 277 (2013), doi: 10.5755/j01.ms.19.3.1903
- [7] A.L. Krasavin, D.L. Alontseva, N.F. Denisova, Certificate of Authorship No. 0010558 of the Republic of Kazakhstan for the Computer Program (entry in the register number 1151 of August 20, 2013)
- [8] D.L. Alontseva, A.L. Krasavin, T.A. Kolesnikova, A.V. Russakova, Acta Phys. Pol. A 125, 1275 (2014), doi: 10.12693/APhysPolA.125.1275
- [9] V.F. Sukhovarov, The Cellular Precipitation in Alloys Press, Nauka, Novosibirsk 1983
- [10] I.A. Kurzina, E.V. Kozlov, Y.P. Sharkeev, Nanocrystalline intermetallic and Nitride Structures Formed During Ion-Beam Exposure Press, NTL, Tomsk 2008
- [11] F.V. Nolfi, Phase Transformation during Irradiation Press, Metallurgiya, Chelyabinsk 1989
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv129n4110kz