EMT 40 P Use of electric-arc treatment of titanium alloys for creation of cutting tool on the nasis of Ti – TiC composite
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ZHEVTUN, Ivan, GORDIENKO, P., DOSTOVALOV, V.. EMT 40 P Use of electric-arc treatment of titanium alloys for creation of cutting tool on the nasis of Ti – TiC composite. In: Materials Science and Condensed Matter Physics, Ed. 6, 11-14 septembrie 2012, Chișinău. Chișinău, Republica Moldova: Institutul de Fizică Aplicată, 2012, Editia 6, p. 309. ISBN 978-9975-66-290-1.
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Materials Science and Condensed Matter Physics
Editia 6, 2012
Conferința "Materials Science and Condensed Matter Physics"
6, Chișinău, Moldova, 11-14 septembrie 2012

EMT 40 P Use of electric-arc treatment of titanium alloys for creation of cutting tool on the nasis of Ti – TiC composite


Pag. 309-309

Zhevtun Ivan1, Gordienko P.1, Dostovalov V.2
 
1 Institute of Chemistry, Far East Division, Russian Academy of Sciences,
2 Far East Federal University, Vladivostok
 
 
Disponibil în IBN: 27 martie 2020


Rezumat

With the aim of improving of antifriction properties of titanium alloys, a method of forming at their surfaces of local sections containing titanium carbide was proposed. The sections formed have a heterogeneous microstructure (Fig.1) similar to the microstructure of hard alloys and are capable to effectively protect the titanium alloy surface against wear and tear [1].figureFig. 1. Surface of local section after etching of titanium matrix (TiC grains with sizes of 1 to tens of μm are identifiable) It is known that the hard alloys based on TiC are used for creation of cutting tools. The most important requirement for cutting tools used in operations under marine conditions is high corrosive resistance of a blade. In this regard, titanium is best material for blade making. However, a cutting power of such blade is low due to viscosity and tendency to adhesion and seizure. Therefore, a preference is often given to stainless steels. Treatment of the cutting edge of the titanium blade using the proposed method will allow to make a blade combining the advantages of titanium (high corrosive resistance and low specific density) with high cutting power (Fig. 2). The local sections were applied over the surface with continuous layer (without intervals). After sharpening such blade, one can cut a glass of 5 mm thick.figureFig. 2. Titanium blade with processed cutting edge