CN115121802A - Preparation method based on high-temperature alloy metal part injection molding - Google Patents
Preparation method based on high-temperature alloy metal part injection molding Download PDFInfo
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 40
- 229910002065 alloy metal Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000005238 degreasing Methods 0.000 claims abstract description 16
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 22
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- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 239000011651 chromium Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
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- 229910052759 nickel Inorganic materials 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
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- 238000004523 catalytic cracking Methods 0.000 claims description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/148—Agglomerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of powder metallurgy, in particular to a preparation method based on high-temperature alloy metal part injection molding. The technical scheme is mainly used for efficiently and quickly producing alloy metal in batch on the basis of not adding new equipment and improving the tensile resistance and the like of the alloy metal, and comprises the following steps: the method comprises the following steps: the method comprises the following steps: preparing powder; step two: preparing a feed; step three: injection molding; step four: catalytic degreasing; step five: and (5) sintering. The invention mainly aims at the high-temperature alloy metal parts with three-dimensional complex shapes, uses the inherent powder injection molding production line to carry out batch industrial production under the condition of not adding new equipment, has huge economic benefit and is mainly applied to the injection molding of the high-temperature alloy metal parts.
Description
Technical Field
The invention relates to the technical field of powder metallurgy, in particular to a preparation method based on high-temperature alloy metal part injection molding.
Background
The alloy is a solid product with metal property obtained by mixing and melting one metal and another metal or a plurality of metals or nonmetals, cooling and solidifying. The structural uniformity of the alloy metal part is difficult to ensure by adopting the traditional casting process, so that the mechanical property uniformity is difficult to ensure, and the casting process is difficult to form parts with complex shapes. The powder injection molding technology is a technology developed by combining plastic injection molding and metal or ceramic powder metallurgy technology. The injection molding breaks through the forming limit of the traditional powder metallurgy, has extremely high cost advantage in the aspect of mass production of parts with three-dimensional complex shapes, has stable product quality and high dimensional precision, and has wide application in various fields. The high-temperature alloy is made into powder, and then the parts with complex three-dimensional shapes are manufactured in a large scale in an injection molding mode, so that the method is an economical preparation method of high-strength metal parts. However, the problem that how to carry out mass industrial production without adding new equipment and improve the tensile resistance and the high temperature resistance of the alloy metal parts is urgently needed to be solved. In view of this, we propose a manufacturing method based on injection molding of superalloy metal parts.
Disclosure of Invention
The invention aims to provide a preparation method based on injection molding of a high-temperature alloy metal part, aiming at the problems of how to efficiently and quickly produce alloy metal in batch and improve the tensile resistance of the alloy metal on the basis of not adding new equipment in the background technology.
The technical scheme of the invention is as follows: the preparation method based on the injection molding of the high-temperature alloy metal part comprises the following steps:
the method comprises the following steps: preparing powder; melting an element spindle containing chemical components into molten steel by using melting equipment, wherein the element spindle comprises the following raw materials in percentage by mass: 11.5 to 13.5 percent of chromium, 5.5 to 6.4 percent of aluminum and 80.1 to 83 percent of nickel; preparing molten steel into raw material powder in spray powder-making equipment, and screening out particles in the range of 0-25um as alloy raw material powder through airflow classification;
step two: preparing a feed; mixing the alloy raw material powder obtained in the step one with a binder to obtain a mixed material A, putting the mixed material A into an internal mixer, forming the internally mixed mixture A into paste, feeding the paste into a granulator, and extruding and granulating through the granulator to obtain feed particles;
step three: injection molding; adding the feeding particles obtained in the second step into a charging barrel of an injection molding machine, setting the injection temperature, extruding the feeding particles into a mold cavity through extrusion after the feeding particles are plasticized by a screw of the injection molding machine, opening the mold after the filling is finished and cooling for 5-15 seconds, and ejecting a green blank through an ejection mechanism to obtain an initial blank of the required part;
step four: catalytic degreasing; putting the primary blank obtained in the third step into a degreasing furnace, setting the temperature, introducing fuming nitric acid or oxalic acid, carrying out catalytic cracking on a binder in the primary blank under the action of fuming nitric acid or oxalic acid molecules and high temperature, and carrying out sublimation discharge to obtain a porous degreased blank;
step five: sintering; and putting the degreased blank obtained in the fourth step into a graphite vacuum furnace, raising the temperature to 1280-1330 ℃ according to a certain heating rate, preserving the temperature for 2-4h, cooling along with the furnace, forming metallurgical bonding by the migration and diffusion of atoms of metal powder, and uniformly shrinking the degreased blank to obtain the high-temperature alloy metal part with uniform components.
Preferably, the mass percentage of the alloy raw material powder and the binder in the second step is 60%: 40 percent of the adhesive is any one of polyolefin, cellulose, polyether polyester and aromatic heterocyclic polymer thermal plastics.
Preferably, the temperature of the internal mixer in the second step is 180-220 ℃, and the mixing time is 1.5-2 h; the granulation particles are cylindrical particles with the diameter of 2-3 mm.
Preferably, the injection temperature in the third step is 175-220 ℃, the injection pressure is 90-110MPa, and the mold temperature is 115-125 ℃.
Preferably, the set temperature of the degreasing furnace in the fourth step is 90-120 ℃; the output of the cracking sublimation generated by the catalysis of the binder exceeds 90 percent.
Preferably, the temperature rise rate in the fifth step is as follows: the temperature was raised from room temperature to 600 degrees at a rate of 5 degrees per minute for 120 minutes, from 600 to 1300 degrees at a rate of 3 degrees per minute for 180 minutes.
Preferably, argon with the purity of 99.999 is introduced into the whole sintering process in the fifth step for protection.
Preferably, the element spindle in the first step comprises the following raw materials in percentage by mass: 11.5% of chromium, 5.5% of aluminum and 83% of nickel.
Preferably, the element spindle in the first step comprises the following raw materials in percentage by mass: 13.5% of chromium, 6.4% of aluminum and 80.1% of nickel.
Preferably, the element spindle in the first step comprises the following raw materials in percentage by mass: 12.5 percent of chromium, 5.9 percent of aluminum and 81.6 percent of nickel.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the invention improves the performance of the alloy prepared in the later period by controlling the element composition of the alloy spindle and controlling the proportion of the elements of the alloy parts;
2. the invention controls the values of temperature, pressure and the like of processing equipment in the processing procedure, and controls the procedures from metal raw materials to metal particles and injection molding, thereby ensuring the high tensile resistance and high temperature resistance of the final alloy part;
3. in conclusion, the invention mainly aims at the high-temperature alloy metal parts with three-dimensional complex shapes, uses the inherent powder injection molding production line to carry out batch industrial production under the condition of not increasing new equipment, and has huge economic benefit.
Detailed Description
The technical solution of the present invention is further described with reference to the following specific examples.
This example illustrates the preparation of a metal gear part.
Example one
The invention provides a preparation method based on high-temperature alloy metal part injection molding, which comprises the following steps:
the method comprises the following steps: preparing powder; melting an element spindle containing chemical components into molten steel through melting equipment, wherein the melting equipment in the scheme adopts a high-frequency induction furnace, and the element spindle comprises the following raw materials in percentage by mass: 11.5% of chromium, 5.5% of aluminum and 83% of nickel; preparing molten steel into raw material powder in spray powder-making equipment, and screening out particles within the range of 0-25um as alloy raw material powder through airflow classification;
step two: preparing a feed; mixing the screened alloy raw material powder obtained in the step one with a binder to obtain a mixed material A, and putting the mixed material A into an internal mixer, wherein the temperature of the internal mixer is 200 ℃, and the mixing time is 2 hours; the mixture A after banburying becomes paste, the paste feed is moved into a granulator, and is extruded and granulated by the granulator to obtain feed granules, wherein the granulated granules are cylindrical granules within the range of 2-3 mm; the mass percentage of the alloy raw material powder to the adhesive is 60%: 40 percent, wherein the binder is polyether polyester thermal plastic;
step three: injection molding; adding the feeding particles in the second step into a charging barrel of an injection molding machine, and setting the injection temperature to be 195 ℃, the injection pressure to be 100MPa and the mold temperature to be 120 ℃; after plasticizing the feed particles by a screw of an injection molding machine, extruding the feed into a mold cavity by extrusion, after filling, opening the mold by cooling for 10 seconds, and ejecting a green blank by an ejection mechanism to obtain a primary blank of the required part;
step four: catalytic degreasing; the primary blank obtained in the third step is horizontally placed on an alumina ceramic plate and is placed in a catalytic degreasing furnace, and the temperature is set, wherein the set temperature of the degreasing furnace is 110 ℃; fuming nitric acid is introduced, the introduction amount of the fuming nitric acid is 3.5g/min, and the time is 2 hours; under the action of fuming nitric acid and high temperature, the binder in the primary blank is catalytically cracked and sublimed to be discharged, and the discharge amount of the cracking sublimation of the binder is over 90 percent to obtain a porous degreased blank;
step five: sintering; putting the degreased gear part blank obtained in the fourth step and the alumina ceramic load bearing plate into a graphite vacuum furnace for sintering, and increasing the temperature in the graphite vacuum furnace according to a certain heating rate, wherein the heating rate is as follows: raising the temperature from room temperature to 600 ℃ at the rate of 5 ℃ per minute, preserving the heat for 120 minutes, raising the temperature from 600 ℃ to 1300 ℃ at the rate of 3 ℃ per minute, and preserving the heat for 180 minutes; then cooling along with the furnace, forming metallurgical bonding by the migration and diffusion of metal powder through atoms, and uniformly shrinking the gear part blank to obtain a high-temperature gear sintered part with uniform components; argon with the purity of 99.999 is introduced for protection in the whole sintering process.
Example two
Compared with the first embodiment, the preparation method based on the injection molding of the high-temperature alloy metal part further comprises the following steps of:
the method comprises the following steps: preparing powder; melting an element spindle containing chemical components into molten steel through melting equipment, wherein the melting equipment in the scheme adopts a high-frequency induction furnace, and the element spindle comprises the following raw materials in percentage by mass: 13.5% of chromium, 6.4% of aluminum and 80.1% of nickel; preparing molten steel into raw material powder in spray powder-making equipment, and screening out particles within the range of 0-25um as alloy raw material powder through airflow classification;
step two: preparing a feed; mixing the screened alloy raw material powder obtained in the step one with a binder to obtain a mixed material A, and putting the mixed material A into an internal mixer, wherein the temperature of the internal mixer is 200 ℃, and the mixing time is 2 h; the mixture A after banburying becomes paste, the paste is fed into a granulator, and is extruded and granulated by the granulator to obtain feed granules, wherein the granules are cylindrical granules within the range of 2-3 mm; the mass percentage of the alloy raw material powder to the adhesive is 60%: 40 percent, wherein the binder is polyether polyester thermal plastic;
step three: injection molding; adding the feeding particles in the second step into a charging barrel of an injection molding machine, and setting the injection temperature to be 195 ℃, the injection pressure to be 100MPa and the mold temperature to be 120 ℃; after plasticizing the feed particles by a screw of an injection molding machine, extruding the feed into a mold cavity by extrusion, after filling, opening the mold by cooling for 10 seconds, and ejecting a green blank by an ejection mechanism to obtain a primary blank of the required part;
step four: catalytic degreasing; the primary blank obtained in the third step is horizontally placed on an alumina ceramic plate and is placed in a catalytic degreasing furnace, and the temperature is set, wherein the set temperature of the degreasing furnace is 110 ℃; fuming nitric acid is introduced, the introduction amount of the fuming nitric acid is 3.5g/min, and the time is 2 hours; under the action of fuming nitric acid and high temperature, the binder in the primary blank is catalytically cracked and sublimed to be discharged, and the discharge amount of cracking and subliming of the binder is more than 90 percent to obtain a porous degreased blank;
step five: sintering; putting the degreased gear part blank obtained in the fourth step and the alumina ceramic load bearing plate into a graphite vacuum furnace for sintering, and increasing the temperature in the graphite vacuum furnace according to a certain heating rate, wherein the heating rate is as follows: raising the temperature from room temperature to 600 ℃ at the rate of 5 ℃ per minute, preserving the heat for 120 minutes, raising the temperature from 600 ℃ to 1300 ℃ at the rate of 3 ℃ per minute, and preserving the heat for 180 minutes; then cooling along with the furnace, forming metallurgical bonding by the migration and diffusion of metal powder through atoms, and uniformly shrinking the gear part blank to obtain a high-temperature gear sintered part with uniform components; argon with the purity of 99.999 is introduced for protection in the whole sintering process.
EXAMPLE III
Compared with the first embodiment or the second embodiment, the preparation method based on the injection molding of the high-temperature alloy metal part provided by the invention further comprises the following steps:
the method comprises the following steps: preparing powder; melting an element spindle containing chemical components into molten steel through melting equipment, wherein the melting equipment in the scheme adopts a high-frequency induction furnace, and the element spindle comprises the following raw materials in percentage by mass: 12.5% of chromium, 5.9% of aluminum and 81.6% of nickel; preparing molten steel into raw material powder in spray powder-making equipment, and screening out particles within the range of 0-25um as alloy raw material powder through airflow classification;
step two: preparing a feed; mixing the screened alloy raw material powder obtained in the step one with a binder to obtain a mixed material A, and putting the mixed material A into an internal mixer, wherein the temperature of the internal mixer is 200 ℃, and the mixing time is 2 h; the mixture A after banburying becomes paste, the paste is fed into a granulator, and is extruded and granulated by the granulator to obtain feed granules, wherein the granules are cylindrical granules within the range of 2-3 mm; the mass percentage of the alloy raw material powder to the adhesive is 60%: 40 percent, wherein the binder is polyether polyester thermal plastic;
step three: injection molding; adding the feeding particles obtained in the second step into a charging barrel of an injection molding machine, and setting the injection temperature to be 195 ℃, the injection pressure to be 100MPa and the mold temperature to be 120 ℃; after plasticizing the feed particles by a screw of an injection molding machine, extruding the feed into a mold cavity by extrusion, after filling, opening the mold by cooling for 10 seconds, and ejecting a green blank by an ejection mechanism to obtain a primary blank of the required part;
step four: catalytic degreasing; the primary blank obtained in the third step is horizontally placed on an alumina ceramic plate and is placed in a catalytic degreasing furnace, and the temperature is set, wherein the set temperature of the degreasing furnace is 110 ℃; fuming nitric acid is introduced, the introduction amount of the fuming nitric acid is 3.5g/min, and the time is 2 hours; under the action of fuming nitric acid and high temperature, the binder in the primary blank is catalytically cracked and sublimed to be discharged, and the discharge amount of cracking and subliming of the binder is more than 90 percent to obtain a porous degreased blank;
step five: sintering; putting the degreased gear part blank obtained in the fourth step and the alumina ceramic load bearing plate into a graphite vacuum furnace for sintering, and increasing the temperature in the graphite vacuum furnace according to a certain heating rate, wherein the heating rate is as follows: raising the temperature from room temperature to 600 ℃ at the rate of 5 ℃ per minute, preserving the heat for 120 minutes, raising the temperature from 600 ℃ to 1300 ℃ at the rate of 3 ℃ per minute, and preserving the heat for 180 minutes; then cooling along with the furnace, forming metallurgical bonding by the migration and diffusion of metal powder through atoms, and uniformly shrinking the gear part blank to obtain a high-temperature gear sintered part with uniform components; argon with the purity of 99.999 is introduced for protection in the whole sintering process.
Detecting the performance of the high-temperature gear part prepared by the first to third embodiments; detecting a sample: 3 parts were selected for each example; the detection performance includes: tensile strength (MPa), yield strength (MPa), elongation (%), relative density (%); the following test data were obtained:
according to the data table, the tensile strength of the high-temperature alloy metal parts prepared in the first embodiment to the third embodiment is more than or equal to 935MPa, the yield strength is more than or equal to 881MPa, the elongation is more than or equal to 11.59 percent, and the relative density is more than or equal to 99.02 percent;
the above embodiments are only some preferred embodiments of the present invention, and many alternative modifications and combinations of the above embodiments may be made by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (10)
1. The preparation method based on the injection molding of the high-temperature alloy metal part is characterized by comprising the following steps of:
the method comprises the following steps: preparing powder; melting an element spindle containing chemical components into molten steel through melting equipment, wherein the element spindle comprises the following raw materials in percentage by mass: 11.5 to 13.5 percent of chromium, 5.5 to 6.4 percent of aluminum and 80.1 to 83 percent of nickel; preparing molten steel into raw material powder in spray powder-making equipment, and screening out particles in the range of 0-25um as alloy raw material powder through airflow classification;
step two: preparing a feed; mixing the alloy raw material powder obtained in the step one with a binder to obtain a mixed material A, putting the mixed material A into an internal mixer, forming the internally mixed mixture A into paste, feeding the paste into a granulator, and extruding and granulating through the granulator to obtain feed particles;
step three: injection molding; adding the feeding particles in the step two into a charging barrel of an injection molding machine, setting injection temperature, extruding the feeding into a mold cavity through extrusion after the feeding particles are plasticized by a screw of the injection molding machine, opening the mold after 5-15 seconds of cooling after the filling is finished, and ejecting a green blank through an ejection mechanism to obtain a primary blank of a required part;
step four: carrying out catalytic degreasing; putting the primary blank obtained in the third step into a degreasing furnace, setting the temperature, introducing fuming nitric acid or oxalic acid, carrying out catalytic cracking on the binder in the primary blank under the action of fuming nitric acid or oxalic acid molecules and the high temperature, and discharging the binder after sublimation to obtain a porous degreased blank;
step five: sintering; and putting the degreased blank obtained in the fourth step into a graphite vacuum furnace, raising the temperature to 1280-1330 ℃ according to a certain heating rate, preserving the temperature for 2-4h, cooling along with the furnace, forming metallurgical bonding by the migration and diffusion of atoms of metal powder, and uniformly shrinking the degreased blank to obtain the high-temperature alloy metal part with uniform components.
2. The method for preparing a superalloy-based metal part by injection molding according to claim 1, wherein the mass percentage of the alloy raw material powder to the binder in the second step is 60%: 40 percent of the adhesive is any one of polyolefin, cellulose, polyether polyester and aromatic heterocyclic polymer thermal plastics.
3. The preparation method based on injection molding of the high-temperature alloy metal part as claimed in claim 1, wherein the temperature of the internal mixer in the second step is 180-220 ℃, and the mixing time is 1.5-2 h; the granulation particles are cylindrical particles with the diameter of 2-3 mm.
4. The preparation method for injection molding of the high-temperature alloy metal part as claimed in claim 1, wherein the injection temperature in the third step is 175-220 ℃, the injection pressure is 90-110MPa, and the mold temperature is 115-125 ℃.
5. The method for preparing the high-temperature alloy metal part based on the injection molding of the high-temperature alloy metal part according to the claim 1, wherein the set temperature of the degreasing furnace in the fourth step is 90-120 ℃; the output of the cracking sublimation generated by the catalysis of the binder exceeds 90 percent.
6. The method of claim 1, wherein the rate of temperature increase in step five is: the temperature was raised from room temperature to 600 degrees at a rate of 5 degrees per minute for 120 minutes, from 600 to 1300 degrees at a rate of 3 degrees per minute for 180 minutes.
7. The method as claimed in claim 1, wherein argon gas with a purity of 99.999 is introduced into the five-step sintering process for protection.
8. The method as claimed in claim 1, wherein the elemental spindle in the first step comprises the following raw materials by mass percent: 11.5% of chromium, 5.5% of aluminum and 83% of nickel.
9. The method as claimed in claim 1, wherein the elemental spindle in the first step comprises the following raw materials by mass percent: 13.5% of chromium, 6.4% of aluminum and 80.1% of nickel.
10. The superalloy metal part injection molding-based manufacturing method of claim 1, wherein the element ingot in the first step comprises the following raw materials in mass percent: 12.5 percent of chromium, 5.9 percent of aluminum and 81.6 percent of nickel.
Priority Applications (1)
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| US20040023056A1 (en) * | 2002-06-14 | 2004-02-05 | Snecma Moteurs | Metallic material that can be worn away by abrasion; parts, casings, and a process for producing said material |
| CN107999756A (en) * | 2017-12-08 | 2018-05-08 | 深圳艾利门特科技有限公司 | A kind of method that heat-resisting alloy honeycomb thermal insulation board is prepared based on injection moulding |
| CN111250694A (en) * | 2020-03-08 | 2020-06-09 | 深圳艾利佳材料科技有限公司 | Injection molding method of high-strength high-toughness metal part and metal rotating shaft part |
| CN113817935A (en) * | 2021-08-18 | 2021-12-21 | 盘星新型合金材料(常州)有限公司 | High-purity nickel-based high-temperature alloy and preparation method of spherical powder thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040023056A1 (en) * | 2002-06-14 | 2004-02-05 | Snecma Moteurs | Metallic material that can be worn away by abrasion; parts, casings, and a process for producing said material |
| CN107999756A (en) * | 2017-12-08 | 2018-05-08 | 深圳艾利门特科技有限公司 | A kind of method that heat-resisting alloy honeycomb thermal insulation board is prepared based on injection moulding |
| CN111250694A (en) * | 2020-03-08 | 2020-06-09 | 深圳艾利佳材料科技有限公司 | Injection molding method of high-strength high-toughness metal part and metal rotating shaft part |
| CN113817935A (en) * | 2021-08-18 | 2021-12-21 | 盘星新型合金材料(常州)有限公司 | High-purity nickel-based high-temperature alloy and preparation method of spherical powder thereof |
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Application publication date: 20220930 |