CN113046656A - Wear-resistant lining plate and preparation method thereof - Google Patents
Wear-resistant lining plate and preparation method thereof Download PDFInfo
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- CN113046656A CN113046656A CN202110257115.9A CN202110257115A CN113046656A CN 113046656 A CN113046656 A CN 113046656A CN 202110257115 A CN202110257115 A CN 202110257115A CN 113046656 A CN113046656 A CN 113046656A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
Abstract
The invention relates to the technical field of alloy steel lining plates, and discloses a wear-resistant lining plate and a preparation method thereof, wherein the wear-resistant lining plate comprises the following raw materials in parts by weight: 10-16 parts of carbon, 15-20 parts of manganese, 5-7 parts of phosphorus, 5-7 parts of sulfur, 4-10 parts of copper, 8-16 parts of magnesium, 2-4 parts of nickel, 15-19 parts of molybdenum, 9-12 parts of tungsten, 2-4 parts of silicon boride and 7-11 parts of zinc. According to the wear-resistant lining plate and the preparation method thereof, the manganese is added into the lining plate to play a role in deoxidation and degassing, the lining plate is prevented from having a large number of bubbles in the production process, the phenomenon of hollowness is caused, the hardness of the lining plate is insufficient, the phenomenon of fracture is caused, the use quality of the lining plate is improved, the corrosion resistance of the lining plate can be improved by adding molybdenum, the lining plate can be used for a long time in a corrosive environment, tungsten and carbon can form tungsten carbide by adding tungsten into the raw materials of the lining plate, the wear-resistant lining plate has high hardness and wear resistance, the plasticity of the lining plate is greatly reduced, and the service life of the lining plate is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of alloy steel lining plates, in particular to a wear-resistant lining plate and a preparation method thereof.
Background
The wear-resistant material is a novel material with special electric, magnetic, optical, acoustic, thermal, mechanical, chemical and biological functions, is an important basic material for the high-tech fields of information technology, biotechnology, energy technology and the like and national defense construction, and has very important effect on the reconstruction of certain traditional industries. The wear-resistant material is the core of the new material field, plays an important role in promoting and supporting the development of high and new technologies, and accounts for about 85 percent in the global new material research field. With the arrival of the information society, the special wear-resistant material plays an important role in promoting and supporting the development of high and new technologies, is a key material in high-technology fields such as information, biology, energy, environmental protection, space and the like in the twenty-first century, becomes the key point of research and development of new material fields in countries in the world, and is also a hot spot of strategic competition in high-technology development of countries in the world.
The existing lining plate is easy to wear and break in the long-time use process, so that the lining plate needs to be frequently checked and replaced, and the use cost of the lining plate is increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the wear-resistant lining plate and the preparation method thereof, which have the advantages of long service life, good wear resistance, high hardness and the like, and solve the problem that the lining plate is easy to wear and break in the long-time use process.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a wear-resistant lining plate comprises the following raw materials in parts by weight: 10-16 parts of carbon, 15-20 parts of manganese, 5-7 parts of phosphorus, 5-7 parts of sulfur, 4-10 parts of copper, 8-16 parts of magnesium, 2-4 parts of nickel, 15-19 parts of molybdenum, 9-12 parts of tungsten, 2-4 parts of silicon boride, 7-11 parts of zinc, 5-7 parts of chromium, 1-3 parts of rare earth and the balance of iron and inevitable impurities.
A preparation method of a wear-resistant lining plate comprises the following steps:
s1, weighing the raw materials in the formula
And weighing phosphorus, sulfur, zinc, copper, carbon, magnesium, silicon boride and rare earth in the raw material formula for later use according to the required component proportion requirement by corresponding weighing equipment.
S2, preparing by crushing the ingredients
Calculating the raw material proportion of the waste steel, the ferrochromium, the ferromanganese, the ferromolybdenum, the ferrotungsten and the ferronickel according to the weight percentage of the chemical components, weighing the required raw materials by a weighing device, and crushing the weighed ferromanganese, ferromolybdenum, ferrotungsten and ferronickel into granules for later use by a crushing device.
S3, smelting
The method comprises the steps of putting scrap steel and ferrochrome into a medium-frequency induction furnace for smelting, heating the temperature in the furnace for the first time after molten steel is completely melted, putting crushed ferromanganese and ferromolybdenum particles into the medium-frequency induction furnace for smelting when the temperature is heated to the required temperature, heating the temperature in the furnace for the second time after smelting is completed, and putting the ferrotungsten and the ferronickel particles into the medium-frequency induction furnace for smelting when the temperature is heated to the required temperature.
S4, cooling and charging
Cooling the molten liquid completely melted in the medium-frequency induction furnace, when the temperature is reduced to 900-1100 ℃, adding the previously weighed and standby phosphorus, sulfur, zinc, copper, carbon, magnesium and silicon boride into the molten liquid in the medium-frequency induction furnace, removing impurities floating on the surface of the molten liquid when all the ingredients are completely melted, adding an aluminum block for deoxidation, adding the weighed rare earth into the bottom of a casting ladle in advance, baking the casting ladle to be more than 700 ℃, and pouring molten liquid and molten steel into the casting ladle.
S5, casting into a mold
Heating the molten steel in the casting ladle to a temperature of 1550-.
S6 heat treatment of lining plate casting
And raising the temperature of the heat treatment furnace to 350-400 ℃, placing the casting into the heat treatment furnace, raising the temperature of the heat treatment furnace to 650-700 ℃, preserving the heat for 1-2 hours, raising the temperature to 900-950 ℃, preserving the heat for 2-3 hours, quenching the lining plate casting into quenching liquid, and cooling to room temperature to obtain the finished lining plate.
Preferably, the pulverized particles of ferromanganese and ferromolybdenum in the step S2 have a diameter of 50 to 100 mm.
Preferably, the pulverized particles of ferrotungsten and ferronickel in the step S2 have a diameter of 10 to 15 mm.
Preferably, the first temperature rise in the furnace in the step S3 is heated to 1580-1620 ℃.
Preferably, the temperature in the second furnace in the step S3 is raised and heated to 1620-.
Preferably, the heat preservation time in the step S5 is 2 to 3 hours.
Preferably, the quenching liquid in step S6 is polyvinyl alcohol with a concentration of 0.4%.
(III) advantageous effects
Compared with the prior art, the invention provides a wear-resistant lining plate and a preparation method thereof, and the wear-resistant lining plate has the following beneficial effects:
1. according to the wear-resistant lining plate and the preparation method thereof, the manganese is added into the lining plate to play a role in deoxidation and degassing, so that the phenomenon that the lining plate is insufficient in hardness and broken due to the fact that a large number of bubbles exist inside the lining plate in the production process and hollow phenomenon occurs is avoided, the use quality of the lining plate is improved, meanwhile, the corrosion resistance of the lining plate can be improved due to the fact that molybdenum is added, and the lining plate can be used for a long time in a corrosive environment.
2. According to the wear-resistant lining plate and the preparation method thereof, tungsten is added into the lining plate raw material, and the tungsten and carbon can form tungsten carbide, so that the wear-resistant lining plate has high hardness and wear resistance, the plasticity of the lining plate is greatly reduced, and the service life of the lining plate is greatly prolonged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a wear-resistant lining plate comprises the following raw materials in parts by weight: 10 parts of carbon, 15 parts of manganese, 5 parts of phosphorus, 5 parts of sulfur, 40 parts of copper, 8 parts of magnesium, 2 parts of nickel, 15 parts of molybdenum, 9 parts of tungsten, 2 parts of silicon boride, 7 parts of zinc, 5 parts of chromium, 1 part of rare earth and the balance of iron and inevitable impurities.
A preparation method of a wear-resistant lining plate comprises the following steps:
s1, weighing the raw materials in the formula
And weighing phosphorus, sulfur, zinc, copper, carbon, magnesium, silicon boride and rare earth in the raw material formula for later use according to the required component proportion requirement by corresponding weighing equipment.
S2, preparing by crushing the ingredients
Calculating the raw material proportion of the waste steel, the ferrochrome, the ferromanganese, the ferromolybdenum, the ferrotungsten and the ferronickel according to the weight percentage of the chemical components, weighing the required raw materials by a weighing device, crushing the weighed ferromanganese, ferromolybdenum, ferrotungsten and ferronickel into granules for standby by a crushing device, wherein the diameter of the crushed granules of the ferromanganese and the ferromolybdenum is 50-100 mm, and the diameter of the crushed granules of the ferrotungsten and the ferronickel is 10-15 mm.
S3, smelting
Putting scrap steel and ferrochrome into a medium-frequency induction furnace for smelting until molten steel is completely molten, then carrying out first heating by raising the temperature in the furnace, when the temperature is raised to 1580-.
S4, cooling and charging
Cooling the molten liquid completely melted in the medium-frequency induction furnace, when the temperature is reduced to 900-1100 ℃, adding the previously weighed and standby phosphorus, sulfur, zinc, copper, carbon, magnesium and silicon boride into the molten liquid in the medium-frequency induction furnace, removing impurities floating on the surface of the molten liquid when all the ingredients are completely melted, adding an aluminum block for deoxidation, adding the weighed rare earth into the bottom of a casting ladle in advance, baking the casting ladle to be more than 700 ℃, and pouring molten liquid and molten steel into the casting ladle.
S5, casting into a mold
Heating the molten steel in the casting ladle to the temperature of 1550-.
S6 heat treatment of lining plate casting
And raising the temperature of the heat treatment furnace to 350-400 ℃, placing the casting into the heat treatment furnace, raising the temperature of the heat treatment furnace to 650-700 ℃, preserving the heat for 1-2 hours, raising the temperature to 900-950 ℃, preserving the heat for 2-3 hours, quenching the lining plate casting into polyvinyl alcohol quenching liquid with the concentration of 0.4%, and cooling to room temperature to obtain the finished lining plate.
Example two:
a wear-resistant lining plate comprises the following raw materials in parts by weight: 16 parts of carbon, 20 parts of manganese, 7 parts of phosphorus, 7 parts of sulfur, 10 parts of copper, 16 parts of magnesium, 4 parts of nickel, 19 parts of molybdenum, 12 parts of tungsten, 4 parts of silicon boride, 11 parts of zinc, 7 parts of chromium, 3 parts of rare earth and the balance of iron and inevitable impurities.
A preparation method of a wear-resistant lining plate comprises the following steps:
s1, weighing the raw materials in the formula
And weighing phosphorus, sulfur, zinc, copper, carbon, magnesium, silicon boride and rare earth in the raw material formula for later use according to the required component proportion requirement by corresponding weighing equipment.
S2, preparing by crushing the ingredients
Calculating the raw material proportion of the waste steel, the ferrochrome, the ferromanganese, the ferromolybdenum, the ferrotungsten and the ferronickel according to the weight percentage of the chemical components, weighing the required raw materials by a weighing device, crushing the weighed ferromanganese, ferromolybdenum, ferrotungsten and ferronickel into granules for standby by a crushing device, wherein the diameter of the crushed granules of the ferromanganese and the ferromolybdenum is 50-100 mm, and the diameter of the crushed granules of the ferrotungsten and the ferronickel is 10-15 mm.
S3, smelting
Putting scrap steel and ferrochrome into a medium-frequency induction furnace for smelting until molten steel is completely molten, then carrying out first heating by raising the temperature in the furnace, when the temperature is raised to 1580-.
S4, cooling and charging
Cooling the molten liquid completely melted in the medium-frequency induction furnace, when the temperature is reduced to 900-1100 ℃, adding the previously weighed and standby phosphorus, sulfur, zinc, copper, carbon, magnesium and silicon boride into the molten liquid in the medium-frequency induction furnace, removing impurities floating on the surface of the molten liquid when all the ingredients are completely melted, adding an aluminum block for deoxidation, adding the weighed rare earth into the bottom of a casting ladle in advance, baking the casting ladle to be more than 700 ℃, and pouring molten liquid and molten steel into the casting ladle.
S5, casting into a mold
Heating the molten steel in the casting ladle to the temperature of 1550-.
S6 heat treatment of lining plate casting
And raising the temperature of the heat treatment furnace to 350-400 ℃, placing the casting into the heat treatment furnace, raising the temperature of the heat treatment furnace to 650-700 ℃, preserving the heat for 1-2 hours, raising the temperature to 900-950 ℃, preserving the heat for 2-3 hours, quenching the lining plate casting into polyvinyl alcohol quenching liquid with the concentration of 0.4%, and cooling to room temperature to obtain the finished lining plate.
Example three:
a wear-resistant lining plate comprises the following raw materials in parts by weight: 12 parts of carbon, 17 parts of manganese, 6 parts of phosphorus, 6 parts of sulfur, 7 parts of copper, 10 parts of magnesium, 3 parts of nickel, 15 parts of molybdenum, 11 parts of tungsten, 3 parts of silicon boride, 9 parts of zinc, 6 parts of chromium, 2 parts of rare earth and the balance of iron and inevitable impurities.
A preparation method of a wear-resistant lining plate comprises the following steps:
s1, weighing the raw materials in the formula
And weighing phosphorus, sulfur, zinc, copper, carbon, magnesium, silicon boride and rare earth in the raw material formula for later use according to the required component proportion requirement by corresponding weighing equipment.
S2, preparing by crushing the ingredients
Calculating the raw material proportion of the waste steel, the ferrochrome, the ferromanganese, the ferromolybdenum, the ferrotungsten and the ferronickel according to the weight percentage of the chemical components, weighing the required raw materials by a weighing device, crushing the weighed ferromanganese, ferromolybdenum, ferrotungsten and ferronickel into granules for standby by a crushing device, wherein the diameter of the crushed granules of the ferromanganese and the ferromolybdenum is 50-100 mm, and the diameter of the crushed granules of the ferrotungsten and the ferronickel is 10-15 mm.
S3, smelting
Putting scrap steel and ferrochrome into a medium-frequency induction furnace for smelting until molten steel is completely molten, then carrying out first heating by raising the temperature in the furnace, when the temperature is raised to 1580-.
S4, cooling and charging
Cooling the molten liquid completely melted in the medium-frequency induction furnace, when the temperature is reduced to 900-1100 ℃, adding the previously weighed and standby phosphorus, sulfur, zinc, copper, carbon, magnesium and silicon boride into the molten liquid in the medium-frequency induction furnace, removing impurities floating on the surface of the molten liquid when all the ingredients are completely melted, adding an aluminum block for deoxidation, adding the weighed rare earth into the bottom of a casting ladle in advance, baking the casting ladle to be more than 700 ℃, and pouring molten liquid and molten steel into the casting ladle.
S5, casting into a mold
Heating the molten steel in the casting ladle to the temperature of 1550-.
S6 heat treatment of lining plate casting
And raising the temperature of the heat treatment furnace to 350-400 ℃, placing the casting into the heat treatment furnace, raising the temperature of the heat treatment furnace to 650-700 ℃, preserving the heat for 1-2 hours, raising the temperature to 900-950 ℃, preserving the heat for 2-3 hours, quenching the lining plate casting into polyvinyl alcohol quenching liquid with the concentration of 0.4%, and cooling to room temperature to obtain the finished lining plate.
The invention has the beneficial effects that: through increase manganese can play the effect of deoxidation degasification in the welt, avoid the welt in the production process inside to have a large amount of bubbles, hollow phenomenon appears, lead to the welt hardness not enough, cracked phenomenon appears, the service quality of welt has been improved, it can improve the corrosion resisting property of welt itself to increase molybdenum simultaneously, make the welt can use for a long time under corrosive environment, through increasing tungsten in the welt raw materials, its tungsten can form tungsten carbide with carbon, high rigidity and wearability have, by a wide margin the plasticity of welt has been reduced, the life of welt has been improved greatly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The wear-resistant lining board is characterized by comprising the following raw materials in parts by weight: 10-16 parts of carbon, 15-20 parts of manganese, 5-7 parts of phosphorus, 5-7 parts of sulfur, 4-10 parts of copper, 8-16 parts of magnesium, 2-4 parts of nickel, 15-19 parts of molybdenum, 9-12 parts of tungsten, 2-4 parts of silicon boride, 7-11 parts of zinc, 5-7 parts of chromium, 1-3 parts of rare earth and the balance of iron and inevitable impurities.
2. The preparation method of the wear-resistant lining plate is characterized by comprising the following steps:
s1, weighing the raw materials in the formula
Weighing phosphorus, sulfur, zinc, copper, carbon, magnesium, silicon boride and rare earth in the raw material formula for later use according to the required component proportion requirement by corresponding weighing equipment;
s2, preparing by crushing the ingredients
Calculating the raw material proportion of the waste steel, the ferrochromium, the ferromanganese, the ferromolybdenum, the ferrotungsten and the ferronickel according to the weight percentage of the chemical components, weighing the required raw materials by a weighing device, and crushing the weighed ferromanganese, ferromolybdenum, ferrotungsten and ferronickel into granules for later use by a crushing device;
s3, smelting
Putting scrap steel and ferrochrome into a medium-frequency induction furnace for smelting until molten steel is completely molten, then performing first heating-up on the temperature in the furnace, when the temperature is heated up to the required temperature, putting crushed ferromanganese and ferromolybdenum particles into the medium-frequency induction furnace for smelting, after the smelting is completed, performing second heating-up on the temperature in the furnace, when the temperature is heated up to the required temperature, putting the ferrotungsten and the ferronickel particles into the medium-frequency induction furnace for smelting;
s4, cooling and charging
Cooling the completely molten liquid in the medium-frequency induction furnace, when the temperature is reduced to 900-1100 ℃, adding the previously weighed and standby phosphorus, sulfur, zinc, copper, carbon, magnesium and silicon boride into the molten liquid in the medium-frequency induction furnace, removing impurities floating on the surface of the molten liquid when all the ingredients are completely melted, adding an aluminum block for deoxidation, adding the weighed rare earth into the bottom of a casting ladle in advance, baking the casting ladle to be more than 700 ℃, and pouring molten liquid and molten steel into the casting ladle;
s5, casting into a mold
Heating the molten steel in the casting ladle to a temperature of 1550-;
s6 heat treatment of lining plate casting
And raising the temperature of the heat treatment furnace to 350-400 ℃, placing the casting into the heat treatment furnace, raising the temperature of the heat treatment furnace to 650-700 ℃, preserving the heat for 1-2 hours, raising the temperature to 900-950 ℃, preserving the heat for 2-3 hours, quenching the lining plate casting into quenching liquid, and cooling to room temperature to obtain the finished lining plate.
3. The method of claim 2, wherein the pulverized particles of ferromanganese and ferromolybdenum in step S2 have a diameter of 50-100 mm.
4. The method of claim 2, wherein the pulverized particles of ferrotungsten and ferronickel in step S2 have a diameter of 10-15 mm.
5. The method as claimed in claim 2, wherein the first time of the step S3 is heated to 1580-1620 ℃.
6. The method as claimed in claim 2, wherein the second furnace temperature in step S3 is raised and heated to 1620-1650 ℃.
7. The method of claim 2, wherein the heat preservation time in step S5 is 2-3 hours.
The method of claim 2, wherein the quenching liquid in the step S6 is polyvinyl alcohol with a concentration of 0.4%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114000039A (en) * | 2021-11-04 | 2022-02-01 | 江西钨业控股集团有限公司 | Preparation method of wear-resistant alloy material |
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| CN111996433A (en) * | 2020-07-07 | 2020-11-27 | 云南昆钢耐磨材料科技股份有限公司 | Chromium-molybdenum alloy steel lining plate and production process thereof |
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| CN114000039A (en) * | 2021-11-04 | 2022-02-01 | 江西钨业控股集团有限公司 | Preparation method of wear-resistant alloy material |
| CN114000039B (en) * | 2021-11-04 | 2022-08-09 | 江西钨业控股集团有限公司 | Preparation method of wear-resistant alloy material |
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