RU2775048C1 - Method for producing a product from a composite material based on tungsten and titanium carbides (versions) - Google Patents

Abstract

FIELD: powder metallurgy.

SUBSTANCE: invention relates to powder metallurgy, in particular to a method for producing products from sintered composite materials based on tungsten and titanium carbides. Can be used for making carbide inserts. Powder mixture containing 10-30 wt.% steel Hadfield 110G13 or 3-10 wt.% iron and/or cobalt, and/or nickel as alloying elements and a mixture of tungsten carbide and titanium carbide composition TiC_0.65 - TiC_0.48 or TiC_0.68 - TiC_0.53 in a ratio of 7:3 - the rest is molded at 200-300 MPa. The resulting product is sintered in a vacuum or in an inert atmosphere at a temperature of 1350-1400°C for 30-60 minutes. Or a powder mixture containing 3-10 wt.% iron and/or cobalt and/or nickel as alloying elements and a mixture of tungsten carbide and titanium carbide composition TiC_0.65 - TiC_0.48 or TiC_0.68 - TiC_0.53 in the ratio 7:3 - the rest, molded at 200-300 MPa to obtain the frame of the product. The resulting frame is sintered at 1600±10°C in an inert gas atmosphere, impregnated with a melt of titanium nickelide and titanium carbide, taken in a mass ratio of 8:2, at a temperature of 1350-1400°C in vacuum, and diffusion annealing is carried out at a temperature of 700-900°C in vacuum for 4-6 hours.

EFFECT: high operational characteristics on hardness and durability are provided.

3 cl, 6 ex, 2 dwg

Description

The invention relates to the field of powder metallurgy, and in particular to methods for producing products from sintered composite materials based on tungsten and titanium carbides. The invention can be used in the manufacture of hard-alloy plates.

Known low-energy mechanical processing of non-stoichiometric titanium carbide powder from the article: Sablina T.Yu., Sevostyanova I.N. Low-energy mechanical processing of non-stoichiometric titanium carbide powder // Processing of metals (technology, equipment, tools). - 2021. - V. 23, No. 3. - S. 112-123. - DOI: 10.17212/1994-6309-2021-23.3-112-123 [1].

It was established in the work that an increase in the duration of mechanical treatment in a ball mill of a non-stoichiometric powder of titanium carbide TiC _0.7 leads to an increase in the specific surface area of the powder from 0.6 to 3.4 m ² /g, and the average particle size calculated from it decreases from 2 µm up to 360 nm. It is shown that in the process of processing the powder of non-stoichiometric titanium carbide TiC _0.7 , its structural-phase state changes. The powder particles consist of two structural components with different atomic ratios of carbon to titanium: TiC _0.65 and TiC _0.48 . Mechanical treatment of titanium carbide powder leads to a decrease in microstresses of the TiC _x crystal lattice and CSR sizes from 55 to 30 nm for the TiC _0.48 phase. For the TiC _0.65 phase, with an increase in the duration of mechanical treatment, as well as for TiC _0.48 , the CSR size decreases, and the level of crystal lattice microdistortions increases. This indicates that during mechanical processing, not only the grinding of powder particles occurs, but also an increase in their defectiveness, which favorably affects the subsequent processes of sintering products based on non-stoichiometric titanium carbide powder.

Known hard alloy from patent RU 2021385, publ. October 15, 1994 [2].

The invention relates to the field of powder metallurgy, in particular to hard alloys. The essence of the invention: proposed hard alloy of the following composition, wt.%: titanium carbide composition TiC _0.47 -TiC _0.80 45-97, a metal binder from the group of iron or titanium 3-55. As a metal binder, the alloy may contain an alloy based on an iron group metal.

The disadvantages of the above-mentioned known hard alloys include a low level of strength properties and difficulties in manufacturing complex-shaped products from this hard alloy.

Known mixture of hard alloy based on tungsten carbide from patent RU 2062812, publ. June 27, 1996 [3].

Hard alloy charge based on tungsten carbide. The aim of the invention is to improve the cutting properties of a carbide tool. The mixture based on tungsten carbide contains cobalt, nickel, and ultrafine titanium nitride with a particle size of 0.01-0.1 μm in the amount of 2-12 wt.%.

The disadvantages of such a sintered hard alloy are the relatively low mechanical strength.

A known method for producing a composite based on borides, carbides of metals IV-VI and VIII of the patent RU 2228238, publ. May 10, 2004 [4].

The invention relates to powder metallurgy, in particular to hard alloys, and can be used for the manufacture of cutters and abrasive tools. A method for producing a composite based on borides and carbides of metals of IV-VI and VIII groups is proposed. SHS-composite powder is used as a starting material, which is subjected to mechanical activation in a gasoline medium at a ratio of the mass of balls to the mass of powder equal to 20:1. Pressing and subsequent sintering in vacuum are carried out at an initial pressing porosity of 25-30% and a temperature of 1270-1300°C for 30-60 minutes. The technical result is to increase the strength and abrasive ability.

The main disadvantage of the known method is the need to clean the grinding products from grinding after obtaining composite powders by high-energy mechanical activation.

A known method for producing products from a sintered composite material based on tungsten carbide with a bond of steel from patent RU 2410202, publ. January 27, 2011 [5].

The invention relates to the field of mechanical engineering, and in particular to methods for producing products from sintered composite materials, and can be used in the manufacture of sliding friction pairs of heavily loaded bearings. In the claimed method, tungsten carbide is used as the basis of the material, and Hadfield steel 110G13 is used as a binder. The method includes molding the powder mixture and subsequent sintering of the product. At the same time, after sintering, a hardened quasi-amorphous tribolayer is formed on the product surface by high-speed friction processing at a sliding speed of 20-30 m/sec, a pressure of 3-5 MPa and for 1.5-2 minutes. The technical result is an increase in the service life of products by reducing the coefficient of friction.

In the known method, as in one of the proposed variants of the method, Hadfield 110G13 steel is used as a binder, and expensive tungsten carbide as a base.

Known hard alloy and a method for its production from patent RU 2165473, publ. April 20, 2001 [6].

The invention relates to powder metallurgy and can be used for the manufacture of various metalworking tools. The titanium nickelide-containing hard alloy contains titanium carbide as a hardening phase and, additionally, as elements that lower the martensitic transformation temperature of Fe and/or Co and/or Ni, as elements that increase the martensitic transformation temperature of Pd and/or Pt , and/or Au, as elements that increase the damping capacity during martensitic transformation of Cu and/or Mo in the following ratio, wt.%: titanium nickelide 5.0 - 50.0; Fe and/or Co and/or Ni 0.1 - 4.0; Pd and/or Pt and/or Au 2.0 - 20.0; Cu and/or Mo 1.0 - 8.0; titanium carbide rest. The method for obtaining a hard alloy includes the preparation of a charge, the formation of a workpiece, sintering and subsequent heat treatment, while alloying elements are introduced into the charge before forming the workpiece, after sintering the workpiece is impregnated with a melt of titanium nickelide at 1280 - 1350 ° C in vacuum, and heat treatment is carried out by diffusion annealing at 700 - 900°C in vacuum for 1 - 6 hours. The invention provides for the production of a hard alloy with high strength, ductility, impact strength.

The disadvantages of the known invention include too complex composition of the charge to obtain a hard alloy for the manufacture of various metalworking tools, as well as the use of expensive alloying elements such as Pd, Pt, Au.

The technical objective of the invention is to develop a method for producing products from a composite material based on tungsten and titanium carbides of non-stoichiometric composition (options).

The technical result of the invention is the expansion of the arsenal of known methods for producing products from composite materials based on tungsten and titanium carbides with sufficiently high performance characteristics of products in terms of hardness and strength, as well as reducing the cost of the product by saving expensive tungsten carbide.

This technical result is achieved by the fact that the first version of the method for producing a product from a composite material based on tungsten and titanium carbides includes the preparation and formation of a powder mixture and subsequent heat treatment, while the powder mixture contains non-stoichiometric titanium carbide composition TiC _0.65 - TiC _0.48 s the ratio of structural components, respectively, 9:1, as a binder, Hadfield steel 110G13, with the following ratio of components, wt.%:

110G13 Hadfield steel 10-30, tungsten carbide and titanium carbide composition TiC _0.65 - TiC _0.48 , taken in a ratio of 7:3 rest

According to the first version of the method, the product is molded from a powder mixture of the claimed composition at a pressure of 200-300 MPa, and sintered in a vacuum or in an inert atmosphere at a temperature of 1350-1400°C for 30-60 minutes.

This technical result is also is achieved by the fact that, according to the second variant of the method for producing a product from a composite material based on tungsten and titanium carbides, it includes the preparation and formation of a powder mixture and subsequent heat treatment, while the powder mixture contains non-stoichiometric titanium carbide of composition TiC_0.65 - TiC_0.48 with a ratio of structural components, respectively, 9:1, as alloying elements iron and/or cobalt, and/or nickel, in the following ratio of components, wt.%:

iron and/or cobalt and/or nickel 3-10 tungsten carbide and titanium carbide composition TiC _0.65 - TiC _0.48 , taken in a ratio of 7:3 rest

According to the second variant of the method, first, the frame of the product is formed from the claimed powder mixture at a pressure of 200-300 MPa, then it is sintered at a temperature of 1600±10°C in an inert gas environment, the sintered frame of the product is impregnated with a melt of titanium nickelide and titanium carbide, taken in a mass ratio of 8 :2, at a temperature of 1350-1400°C in vacuum. Next, diffusion annealing is carried out at a temperature of 700 - 900 ° C in vacuum for 4 - 6 hours.

The novelty of the invention lies in the fact that in both versions of the method, non-stoichiometric titanium carbide of the composition TiC _0.65 - TiC _0.48 is used with a ratio of structural components, respectively, 9: 1, which is obtained by low-energy processing of non-stoichiometric powder of titanium carbide TiC _0.7 in a ball mill of a drum type with corundum grinding media at a drum rotation speed of 40 rpm, for 50-100 hours. The ratio of titanium carbide powder and grinding media is 1:7.

At the same time, in both versions of the method, non-stoichiometric titanium carbide of composition TiC _0.68 - TiC _0.53 with a ratio of structural components, respectively, 9:1, obtained by low-energy processing of non-stoichiometric powder of titanium carbide TiC _0.7 in a ball mill, can be used as non-stoichiometric titanium carbide drum type with corundum grinding media at a drum rotation speed of 70 rpm, for 50-100 hours, while the ratio of titanium carbide powder and grinding media is 1:7.

Disclosure of the essence of the invention.

In connection with the expanding practical importance of non-stoichiometric titanium carbides TiC _x in engineering and industry, as well as in medicine, it is important to develop methods for obtaining products from a composite material based on them. One of the effective ways to influence the physical and mechanical properties of powder systems, such as non-stoichiometric titanium carbides, is their mechanical processing and, in particular, processing in a ball mill.

Processing in high-energy attritors or planetary mills [4] allows the dispersion of powder systems in a very short period of time, however, in the case of powders of solid high-modulus compounds, it becomes necessary to clean the grinding products from milling. Mechanical activation of powder systems in less energy-intensive apparatuses, for example, in a ball mill, is often an alternative, which makes it possible to maintain the constancy of the chemical composition of the disperse system during processing.

The energy received by the powder during mechanical processing, and, accordingly, the activation effects depend on the type of impact (impact, abrasion, crushing, a combination of these impacts). Under the shock-shear action, which is realized during processing in a ball mill, mechanical energy is transferred to the powder system, as a result of which it is crushed, the formation of centers with increased activity on newly formed surfaces, phase transformations, deformation of the crystal lattice, amorphization, the formation of defects and etc.

To develop the method was chosen powder TiC _0.7 composition: Ti - 15 vol.% C obtained by calcium carbide reduction of titanium oxide. The TiC powder was mechanically processed in a dry mode in a drum-type corundum ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 40 rpm and 70 rpm. The effective machining time ranged from 50 to 100 hours.

It has been established that an increase in the duration of mechanical treatment in a ball mill of a non-stoichiometric powder of titanium carbide TiC _0.7 , at a drum rotation speed of 40 rpm, leads to an increase in the specific surface area of the powder from 0.6 to 3.4 m ² /g, and the average particle size calculated from it decreases from 2 µm to 360 nm. In the process of processing the powder of non-stoichiometric titanium carbide TiC _0.7 , its structural phase state changes. The particles of titanium carbide powder after low-energy processing consist of two structural components with different atomic ratios of carbon to titanium: TiC _0.65 and TiC _0.48 .

In the process of mechanical processing, not only the grinding of powder particles occurs, but also an increase in their defectiveness, which favorably affects the subsequent sintering process of a powder compact based on non-stoichiometric titanium carbide powder with the composition TiC _0.65 - TiC _0.48 .

Similar technological properties have non-stoichiometric titanium carbide powder composition TiC _0.68 - TiC _0.53 obtained with similar machining parameters, but at a drum rotation speed of 70 rpm.

The invention is carried out as follows.

To obtain a product from a composite material based on tungsten and titanium carbides according to the first version of the method, the authors first obtain a non-stoichiometric powder of titanium carbide with the composition TiC _0.65 - TiC _0.48 or the composition TiC _0.68 - TiC _0.53 . A powder mixture is prepared from the initial components, while the joint vibration grinding of the initial components is carried out for 60 hours in an ethanol medium with grinding bodies from the VK6 hard alloy, and titanium carbide, which does not require grinding, is loaded into the vibrating mill before grinding is completed for mixing with the remaining components. Then the product is molded, for example, in a steel mold at a pressure of 200-300 MPa, then the pressed product is sintered in a vacuum or in an inert atmosphere at a temperature of 1350-1400ºС for 30-60 minutes.

To obtain a product from a composite material based on tungsten and titanium carbides according to the second version of the method, the authors also first obtain a non-stoichiometric powder of titanium carbide with the composition TiC _0.65 - TiC _0.48 or the composition TiC _0.68 - TiC _0.53 , then the powders are plasticized tungsten and titanium carbides with a 4% solution of synthetic rubber in gasoline. The dried powders are granulated by grinding through a 400 µm sieve. Prepare a powder mixture with alloying elements. The molding of the product frame from the powder mixture is carried out, for example, in a steel mold under a pressure of 200-300 MPa. The molded frame of the product is sintered at a temperature of 1600±10° in an inert gaseous environment, for example, argon. The sintered frame of the product is impregnated with a melt of the impregnating material in a vacuum of at least 10 ^-4 mm Hg. at a temperature of 1350-1400°C. To prepare the melt of the impregnating material, a mixture is prepared containing titanium nickelide (80 wt.%); titanium carbide (20 wt.%). The impregnating material melt is prepared in an induction furnace at a temperature of 1350-1400°C in an argon atmosphere in ceramic crucibles. Then the product is annealed in a vacuum not lower than 10 ^-4 mm Hg. Art. at a temperature of 700-900°C for 4-6 hours.

In the examples below, the authors varied the declared quantitative ratios of the initial components of the powder mixture and the technological modes of the process for obtaining products, which were selected experimentally.

In the present invention, for the implementation of the invention, tungsten carbide powder with a dispersion of 0.6-0.8 μm, titanium carbide compositions TiC _0.65 - TiC _0.48 or TiC _0.68 - TiC _0.53 with a dispersion of 0.25-0, 50 µm. The remaining initial components of the powder mixtures have a fineness of not more than 1 μm.

Instruments and methods by which measurements of properties are carried out.

The structure of nonstoichiometric titanium carbide powders before and after mechanical treatment was studied using a Philips SEM 515 scanning electron microscope. nitrogen. The phase composition and parameters of the fine crystalline structure of powder materials were studied by X-ray phase and X-ray diffraction analysis on an X-ray diffractometer of the DRON type (Russia) with filtered CuKα radiation in the scanning mode 2 θ from 30 to 145 deg.

The workpiece blanks obtained in accordance with the invention were subjected to mechanical tests in which their hardness and strength were determined. Vickers hardness was measured on a Duramin-500 hardness tester, and compressive strength on a Devotrans mechanical testing machine.

The invention is illustrated by figures 1-2.

In FIG. 1 (a, b) shows the SEM image (a) and particle size distribution (b) of the initial TiC _{0.7 powder.}

In FIG. 1(a) is a SEM image of the initial titanium carbide powder. It can be seen that the initial titanium carbide powder is weakly agglomerated and consists mainly of irregularly shaped particles. Along with fragmented and spongy particles, which are characteristic of powders obtained by the reduction method, there are powder particles with a shape close to spherical. The powders have a wide unimodal particle size distribution, along with small (up to 2 µm) particles, the powder contains large, agglomerated particles up to 25 µm in size, Fig. 1(b).

The average size of powder particles, including agglomerates, is 6 µm, and the average size of crystallites, determined from the broadening of X-ray reflections, is 55 nm. The specific surface area of the initial powder was 0.6 m ² /g, and the bulk density was 0.55 ρ _theor .

In FIG. 2 shows the change in the specific surface area and the particle size calculated from these values of titanium carbide powder composition TiC _0.65 - TiC _0.48 depending on the duration of mechanical treatment at a drum rotation speed of 40 rpm. It can be seen that the titanium carbide powder in the initial state had a low specific surface area, and low-energy treatment led to noticeable changes in the specific surface area. With an increase in the duration of such exposure, a significant increase in the specific surface area occurred. The most intensive increase in the specific surface area, more than 5 times, occurred up to 50 hours of mechanical treatment, and with a further increase in the MT time, the dependence saturated and the specific surface by 100 hours of mechanical treatment was 3.4 m ² /g.

Example 1 (first version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 40 rpm. The machining time was 50 hours.

After low-energy treatment, the average particle size of the non-stoichiometric titanium carbide powder with the composition TiC _0.65 - TiC _0.48 was 0.48 μm, the specific surface area of the powder was 2.8 m ² /g.

For the manufacture of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide of the composition TiC_0.65- TiC_0.48taken in a mass ratio of 7:3 70 wt.%, steel Hadfield 110G13 30 wt.%. A powder mixture is prepared from the initial components, while the joint vibration grinding of the initial components is carried out for 60 hours in an ethanol medium with grinding bodies from the VK6 hard alloy, and titanium carbide, which does not require grinding, is loaded into the vibrating mill before grinding is completed for mixing with the remaining components. The product is molded from the powder mixture at a pressure of 200 MPa. The product is sintered in vacuum at a temperature of 1350°C for 30 minutes.

Example 2 (first version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 40 rpm. Machining time 75 hours.

After low energy treatment, the average particle size of the non-stoichiometric titanium carbide powder with the composition TiC _0.65 - TiC _0.48 was 0.41 μm, the specific surface area of the powder was 3.27 m ² /g.

For the manufacture of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide composition TiC _0.65 - TiC _0.48 , taken in a mass ratio of 7:3 90 wt.%, Hadfield steel 110G13 10 wt. %. A powder mixture is prepared from the initial components analogously to example 1. An article is molded from the powder mixture at a pressure of 300 MPa. The product is sintered in vacuum at a temperature of 1400°C for 60 minutes.

Example 3 (first version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 70 rpm. The machining time was 75 hours.

After low-energy treatment, the average particle size of the non-stoichiometric titanium carbide powder with the composition TiC _0.68 - TiC _0.53 was 0.35 μm, the specific surface area of the powder was 3.3 m ² /g.

For the manufacture of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide composition TiC _0.68 - TiC _0.53 , taken in a mass ratio of 7:3 80 wt.%, Hadfield steel 110G13 20 wt.%. A powder mixture is prepared from the initial components analogously to example 1. An article is molded from the powder mixture at a pressure of 250 MPa. The product is sintered in an inert argon atmosphere at a temperature of 1400°C for 40 minutes.

Example 4 (second version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 70 rpm. The machining time was 100 hours.

After low-energy processing, the average particle size of the powder of non-stoichiometric titanium carbide composition TiC _0.68 - TiC _0.53 was 0.25 μm,

To obtain the frame of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide of the composition TiC _0.68 - TiC _0.53 , taken in a mass ratio of 7:3 97 wt.% and alloying element Fe 3 wt.%. At the same time, the selected powder mixture is first plasticized with a 4% solution of synthetic rubber in gasoline, the dried powder mixture is granulated by grinding through a 400 μm sieve. Then the frame of the product is formed from the powder mixture in a steel mold under a pressure of 200 MPa. The formed frame of the product is sintered at a temperature of 1600°C in an inert argon gas medium. To prepare the melt of the impregnating material, a mixture is prepared containing titanium nickelide (80 wt.%) and titanium carbide (20 wt.%). The melt of the impregnating material is prepared in an induction furnace at a temperature of 1400°C in an argon atmosphere in ceramic crucibles. The sintered frame of the product is impregnated with a melt of the impregnating material in a vacuum of at least 10 ^-4 mm Hg. at a temperature of 1350°C. Then the product is annealed in a vacuum of at least 10 ^-4 mm Hg. at 800°C for 5 hours.

Example 5 (second version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 70 rpm. The machining time was 50 hours.

After low energy treatment, the average particle size of the powder of non-stoichiometric titanium carbide TiC _0.68 - TiC _0.53 was 0.30 μm, the specific surface area of the powder was 2.7 m ² /g.

To obtain the frame of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide composition TiC _0.68 - TiC _0.53 , taken in a mass ratio of 7:3 92 wt.%, alloying elements: Fe 3 wt.%, Co 5 wt. %. Further, example 5 is carried out analogously to example 4. The differences are the parameters of technological modes: the frame of the product is molded under a pressure of 300 MPa, the melt of the impregnating material is prepared in an induction furnace at a temperature of 14000C, the frame of the product is impregnated with the melt in vacuum at a temperature of 1350°C, then the product is annealed in vacuum at 900°C for 4 hours.

Example 6 (second version of the method)

Powder TiC _0.7 composition: Ti - 15 vol.% C, obtained by calcium carbide reduction of titanium oxide, was subjected to low-energy processing in a drum-type ball mill with corundum grinding media, taken in a mass ratio of 1:7. The drum rotation speed was 40 rpm. The machining time was 100 hours.

After low energy treatment, the average particle size of the non-stoichiometric titanium carbide powder with the composition TiC _0.65 - TiC _0.48 was 0.38 μm, the specific surface area of the powder was 3.35 m ² /g.

For the manufacture of the product, the composition of the powder mixture was chosen: tungsten carbide and titanium carbide composition TiC _0.65 - TiC _0.48 , taken in a mass ratio of 7:3 90 wt.%, alloying elements: Fe 3 wt.%, Co 5 wt.% , Ni 2 wt.%. Further, example 6 is carried out analogously to example 4. The differences are the parameters of technological modes: the frame of the product is molded under a pressure of 250 MPa, the melt of the impregnating material is prepared in an induction furnace at a temperature of 1400°C, the frame of the product is impregnated with the melt in a vacuum at a temperature of 1380°C, then the product is annealed in vacuum at 700°C for 6 hours.

Obtained in examples 1-6 blank products have the following characteristics: hardness HRA 75-89; compressive strength 3400-3600 MPa.

Claims (7)

1. A method of manufacturing a product from a composite material based on tungsten and titanium carbides, including the preparation of a powder mixture, its molding and subsequent sintering, characterized in that low-energy processing of non-stoichiometric titanium carbide powder TiC _0.7 is preliminarily carried out in a drum-type ball mill with corundum grinding bodies for 50-100 hours at a drum rotation speed of 40 rpm to obtain non-stoichiometric titanium carbide composition TiC _0.65 - TiC _0.48 with a ratio of structural components, respectively, 9: 1 or at a drum rotation speed of 70 rpm to obtain non-stoichiometric titanium carbide composition TiC _0.68 - TiC _0.53 with a ratio of structural components, respectively, 9:1, a powder mixture is prepared containing non-stoichiometric titanium carbide composition TiC _0.65 - TiC _0.48 or TiC _0.68 - TiC _0.53 and tungsten carbide, taken in a ratio of 7:3, and Hadfield steel 110G13 as a binder, with the following component ratio netov, wt.%: 110G13 Hadfield steel 10-30, tungsten carbide and non-stoichiometric titanium carbide rest, the resulting powder mixture is molded at a pressure of 200-300 MPa, and then sintered in a vacuum or in an inert atmosphere at a temperature of 1350-1400°C for 30-60 minutes. 2. A method for manufacturing a product from a composite material based on tungsten and titanium carbides, including the preparation of a powder mixture, its molding and subsequent sintering, characterized in that low-energy processing of non-stoichiometric titanium carbide powder TiC _0.7 is preliminarily carried out in a drum-type ball mill with corundum grinding bodies for 50-100 hours at a drum rotation speed of 40 rpm to obtain non-stoichiometric titanium carbide composition TiC _0.65 - TiC _0.48 with a ratio of structural components, respectively, 9: 1 or at a drum rotation speed of 70 rpm to obtain non-stoichiometric titanium carbide composition TiC _0.68 - TiC _0.53 with a ratio of structural components, respectively, 9:1, a powder mixture is prepared containing non-stoichiometric titanium carbide composition TiC _0.65 - TiC _0.48 or TiC _0.68 - TiC _0.53 and tungsten carbide, taken in a ratio of 7:3, and iron and/or cobalt, and/or nickel as alloying elements, with the following ratio of components, wt.%: iron and/or cobalt and/or nickel 3-10, tungsten carbide and non-stoichiometric titanium carbide rest, a frame is formed from the resulting powder mixture at a pressure of 200-300 MPa and sintered at a temperature of 1600 ± 10 ° C in an inert gas medium, after which the sintered frame is impregnated with a melt of titanium nickelide and titanium carbide, taken in a mass ratio of 8: 2, at a temperature of 1350 -1400° C. under vacuum, and diffusion annealing is carried out. 3. The method according to claim 2, characterized in that diffusion annealing is carried out at a temperature of 700-900°C in vacuum for 4-6 hours.

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