Formation of Nano-Sized Structural-Phase States in Surface Layers of a Cermet Alloy and the Influence of the States on the Tool Life of Cermet Plates in Metal Cutting

Author:

Ovcharenko V.E.1,Ivanov Yuriy F.2,Mohovikov A.A.3,Ignatyev A.S.3,Baohai Yu4,Zhang Hong Wei4

Affiliation:

1. Institute of Strength Physics and Materials Science SB RAS

2. High-current Electronics Institute Russian Academy of Science

3. Tomsk Polytechnic University

4. Institute of Metal Research Chinese Academy of China

Abstract

A comparative analysis of the surface-layer microstructure of a tungsten-based cermet alloy modified with pulsed high-energy electron beams generated by gas-discharge plasmas and of the tool life of metal-cutting plates prepared from this alloy is performed. The choice of a plasma-forming gas providing for the emission of electrons out of the plasma-filled cathode is shown to have a profound influence both on the formation process of nanosized structural-phase states in the surface layer of the cermet alloy and on the tool life of the metal-cutting plates prepared from this alloy.

Publisher

Trans Tech Publications, Ltd.

Reference6 articles.

1. Psakhie S. G., Ovcharenko V. E., Knyazeva A.G., Shil'ko E.V. Formation of a multi-scale structure in surface layers and the resistance of cermet alloy to mechanical action / Physical Mesomechanics. - 2011. - Vol. 14. - No. 6. - P. 23-34.

2. Wu D. Numerical study on the bombardment effects of tungsten by high-intensity pulsed ion beam / Applied Mechanics and Materials. - 2014 - Vol. 444-445. - pp.1122-1126.

3. Psakhie S., Ovcharenko V., Baohai Yu, Shilko E., Astafurov S., Ivanov Yu., Byeli A., Mokhovikov A. Influence of features of interphase boundaries on the mechanical properties and fracture pattern in metal-ceramic composites / Journal of Materials Science and Technology. -2013. -Vol. 29. - No. 11. - P. 1025 - 1034.

4. Li z. l., Shan q., Jiang y. h., Zhou r., Sui y. d. Effect of co addition on the microstructure of matrix in tungsten carbide reinforced surface composite Applied Mechanics and Materials. - 2013 - Vol. 376. - pp.54-59.

5. Ovcharenko V.E., Psakhie S.G., Ivanov Yu.F., Mokhovikov A.A. Formation regularities of multi-scale nano-sized structures and their influence on the physical properties of hard-alloy surface layers / Izv. VUZov, ser. Fizika. – 2013. – Vol. 56. – No. 7/2. – P. 283-291.

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