Boride Coatings Structure and Properties, Produced by Atmospheric Electron-Beam Cladding

Author:

Teplykh Alexandr1,Golkovskiy Mikhail2,Bataev Anatoly1,Drobyaz Ekaterina1,Veselov Sergey V.1,Golovin Evgeniy1,Bataev Ivan A.1,Nikulina Aelita1ORCID

Affiliation:

1. Novosibirsk State Technical University

2. Institute of Nuclear Physics SB RAS

Abstract

Structure, microhardness and fracture features of coatings produced by atmospheric electron-beam cladding of amorphous boron were investigated. The coatings were produced by cladding of one, two and three layers of powder. Produced coatings thickness is 550, 750 and 900 μm respectively. The peak level of microhardness is 14000…16000 MPa. By the means of XRD analysis it is stated that the main phases of strengthened layers are FeB and Fe2B borides and eutectic (α-Fe + Fe2B). The coatings after one layer cladding have non-uniform structure with microvolumes having lack of borides. Three-layered coatings are noted for their high brittleness. The best properties are presented by two-layer coatings.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference4 articles.

1. Krukovich M.G., Prusakov B.A., Sizov I.G. The plasticity of borated layers. – Moscow, FIZMATLIT. – 2010. – 384 p. (In Russian).

2. Veis M.E., Kuksanov N.K., Korabelnikov B.M., Nemytov P.I., Salimov R.A. High voltage electron accelerators at a power of up to 90 kW. – Radiation Physics and Chemistry. – 1990. – V. 35. - № 4-6. – P. 658-661.

3. Bataeva E.A., Bataev I.A., Burov V.G., Tushinskiy L.I., Golkovskiy M.G. Initial state influence on structure inhomogeneity of carbon steels, strengthened by atmospheric electron-beam treatment. – MiTOM. – 2009. -№ 3. – P. 3-5. (in Russian).

4. Poletika I.M., Golkovskiy M.G., Krylova T.A., Ivanov Ju.F., Perovskaya M.V. Metal structure formation by means of electron-beam cladding of tungsten carbide. – Prospective Materials. – 2009. - № 4. – P. 65-70. (in Russian).

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