CN115852227B - High-temperature wear-resistant tungsten alloy and guide wheel for high-speed steel rolling - Google Patents
High-temperature wear-resistant tungsten alloy and guide wheel for high-speed steel rolling Download PDFInfo
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- CN115852227B CN115852227B CN202211565120.7A CN202211565120A CN115852227B CN 115852227 B CN115852227 B CN 115852227B CN 202211565120 A CN202211565120 A CN 202211565120A CN 115852227 B CN115852227 B CN 115852227B
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- 229910001080 W alloy Inorganic materials 0.000 title claims abstract description 45
- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 229910000997 High-speed steel Inorganic materials 0.000 title abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 65
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000005245 sintering Methods 0.000 claims abstract description 38
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 38
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 37
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 37
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 29
- 239000010937 tungsten Substances 0.000 claims abstract description 29
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 28
- 239000011651 chromium Substances 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 28
- 239000011572 manganese Substances 0.000 claims abstract description 28
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 28
- 239000010936 titanium Substances 0.000 claims abstract description 28
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000011068 loading method Methods 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000001291 vacuum drying Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000007873 sieving Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 210000001161 mammalian embryo Anatomy 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to the technical field of guide wheel materials for high-speed steel rolling, in particular to a high-temperature wear-resistant tungsten alloy and a guide wheel for high-speed steel rolling, wherein the high-temperature wear-resistant tungsten alloy comprises the following components in percentage by mass: 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium, and the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring the raw materials in percentage by mass into a ball mill for ball milling, discharging slurry for vacuum drying treatment to obtain dry powder; mixing rubber solution, sieving, granulating, press molding, and loading into a vacuum pressure sintering furnace for pressure sintering to obtain the high-temperature wear-resistant tungsten alloy blank; according to the invention, new raw materials are combined into a new alloy material, the high-temperature-resistant and wear-resistant guide wheel for high-speed steel rolling is produced and manufactured by using the new tungsten alloy, the use of the guide wheel in a high-temperature state is well solved, the service life is longer than that of the existing steel-based alloy guide wheel, the effect is better, and the maintenance and replacement period and the input of related manpower are effectively reduced.
Description
Technical Field
The invention relates to the technical field of guide wheel materials for high-speed steel rolling, in particular to a high-temperature wear-resistant tungsten alloy and a guide wheel for high-speed steel rolling.
Background
Most of the existing guide wheels for high-speed steel rolling are made of steel-bonded metal materials, however, because the working condition temperature of the part is usually ultra-high temperature environment, the service life of the guide wheels for high-speed steel rolling, which are made of conventional steel-bonded metal materials, is usually short, regular maintenance and replacement of workers are required, and the labor input cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-temperature wear-resistant tungsten alloy and a guide wheel for high-speed steel rolling.
In order to achieve the above object, the present invention provides a high temperature wear-resistant tungsten alloy, which comprises the following components in percentage by mass: 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
In a second aspect, the invention provides a high temperature wear resistant tungsten alloy of a second formulation, the high temperature wear resistant tungsten alloy comprising the following components in percentage by mass: 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
In a third aspect, the invention provides a high temperature wear resistant tungsten alloy of a third formulation, the high temperature wear resistant tungsten alloy comprising the following components in percentage by mass: 28% of titanium, 38% of tungsten, 12% of iron, 12% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
In a fourth aspect, the invention provides a guide wheel for high-speed steel rolling, which is made of any one of the three high-temperature wear-resistant tungsten alloys with different formulas.
The invention adopts new raw materials to combine into new alloy materials, and produces a new high-temperature-resistant and wear-resistant composite tungsten-based material (tungsten alloy) which is used for producing and manufacturing the guide wheel for high-speed steel rolling, thereby better solving the problem that the guide wheel is used in a high-temperature state, having longer service life and better effect than the existing steel-based alloy guide wheel, and further effectively reducing maintenance and replacement period and related human input.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a high-temperature wear-resistant tungsten alloy, which comprises the following components in percentage by mass: 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
secondly, the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps:
s11, pouring 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, and discharging slurry;
s12, carrying out vacuum drying treatment on the slurry, wherein the drying temperature is 90 ℃, the vacuum degree is 0.01-0.02Pa, and the drying time is 6-8 hours, so as to obtain dry powder;
s13, mixing rubber solution into the dry powder, sieving, granulating, and pressing to obtain a first blank;
s14, loading the first blank into a vacuum pressurizing sintering furnace for pressurizing sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
The physical properties of the embryo body prepared at this time were: HRA is 89.5, flexural strength 1863, density 8.57.
Testing of service life at high temperature:
the guide wheel for high-speed steel rolling is made of conventional steel combined with gold materials and is used as a control group;
the guide wheel for high-speed steel rolling made of the high-temperature wear-resistant tungsten alloy described in example 1 was used as an experimental group;
experiment operation environment: the guide wheel for high-speed steel rolling rotates under the load of 80-100 m/s, the ambient temperature is 800-1000 ℃, and the service life time of the control group and the experimental group is calculated.
Table one: results of the life test of example 1
| Control group (hours) | Experimental group (hours) | |
| Duration of operation (lifetime) | 18.6 | 26.3 |
Example 2
The embodiment provides a high-temperature wear-resistant tungsten alloy, which comprises the following components in percentage by mass: 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, manganese powder and chromium powder;
secondly, the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps:
s21, pouring 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, and discharging slurry;
s22, carrying out vacuum drying treatment on the slurry, wherein the drying temperature is 90 ℃, the vacuum degree is 0.01-0.02Pa, and the drying time is 6-8 hours, so as to obtain dry powder;
s23, mixing rubber solution into the dry powder, sieving, granulating, and pressing to obtain a first blank;
s24, loading the first blank into a vacuum pressurizing sintering furnace for pressurizing sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
The physical properties of the embryo body prepared at this time were: HRA is 90.0, flexural strength 1047, density 8.51.
Testing of service life at high temperature:
the guide wheel for high-speed steel rolling is made of conventional steel combined with gold materials and is used as a control group;
the guide wheel for high-speed steel rolling made of the high-temperature wear-resistant tungsten alloy described in example 2 was used as an experimental group;
experiment operation environment: the guide wheel for high-speed steel rolling rotates under the load of 80-100 m/s, the ambient temperature is 800-1000 ℃, and the service life time of the control group and the experimental group is calculated.
And (II) table: results of the life test of example 2
| Control group (hours) | Experimental group (hours) | |
| Duration of operation (lifetime) | 18.6 | 24.8 |
Example 3
The embodiment provides a high-temperature wear-resistant tungsten alloy, which comprises the following components in percentage by mass: 28% of titanium, 38% of tungsten, 12% of iron, 12% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
secondly, the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps:
s21, pouring 28% of titanium, 38% of tungsten, 12% of iron, 12% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, and discharging slurry;
s22, carrying out vacuum drying treatment on the slurry, wherein the drying temperature is 90 ℃, the vacuum degree is 0.01-0.02Pa, and the drying time is 6-8 hours, so as to obtain dry powder;
s23, mixing rubber solution into the dry powder, sieving, granulating, and pressing to obtain a first blank;
s24, loading the first blank into a vacuum pressurizing sintering furnace for pressurizing sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
The physical properties of the embryo body prepared at this time were: HRA is 90.0, flexural strength 1047, density 8.51.
Testing of service life at high temperature:
the guide wheel for high-speed steel rolling is made of conventional steel combined with gold materials and is used as a control group;
the guide wheel for high-speed steel rolling made of the high-temperature wear-resistant tungsten alloy described in example 3 was used as an experimental group;
experiment operation environment: the guide wheel for high-speed steel rolling rotates under the load of 80-100 m/s, the ambient temperature is 800-1000 ℃, and the service life time of the control group and the experimental group is calculated.
Table three: results of the life test of example 3
| Control group (hours) | Experimental group (hours) | |
| Duration of operation (lifetime) | 18.6 | 25.3 |
As is evident from the operation time lengths of the first, second and third tables, the high-speed steel rolling guide wheel made of the high-temperature wear-resistant tungsten alloy with three different formulas provided by the embodiment of the application has longer limit operation time length at high temperature compared with the traditional steel-bonded-gold guide wheel made of the high-speed steel rolling guide wheel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The high-temperature wear-resistant tungsten alloy is characterized by comprising the following components in percentage by mass: 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
2. The high-temperature wear-resistant tungsten alloy is characterized by comprising the following components in percentage by mass: 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 20% of iron, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
3. The high-temperature wear-resistant tungsten alloy is characterized by comprising the following components in percentage by mass: 28% of titanium, 38% of tungsten, 12% of iron, 12% of nickel, 5% of manganese and 5% of chromium, wherein the titanium, tungsten, iron, nickel, manganese and chromium are respectively titanium powder, tungsten powder, iron powder, nickel powder, manganese powder and chromium powder;
the preparation method of the high-temperature wear-resistant tungsten alloy comprises the following steps: pouring 28% of titanium, 42% of tungsten, 10% of iron, 10% of nickel, 5% of manganese and 5% of chromium into a ball mill, adding alcohol with the alcohol concentration of 99%, ball milling for 36-42 hours, discharging slurry, performing vacuum drying treatment at 90 ℃ and 0.01-0.02Pa for 6-8 hours, and obtaining dry powder; and (3) adding a rubber solution, wiping, granulating, pressing and forming to obtain a first blank, loading the first blank into a vacuum pressure sintering furnace for pressure sintering, wherein the pressure value in the furnace is 40-60Pa, the sintering temperature is 1390-1410 ℃, and the sintering time is 15-19 hours, so that the high-temperature wear-resistant tungsten alloy blank is obtained.
4. A guide wheel for high-speed rolling steel, characterized by being made of the high-temperature wear-resistant tungsten alloy as claimed in any one of claims 1 to 3.
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2022
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