CN111069584A - Powder metallurgy material for aluminum-based gear and preparation method thereof - Google Patents
Powder metallurgy material for aluminum-based gear and preparation method thereof Download PDFInfo
- Publication number
- CN111069584A CN111069584A CN201811215422.5A CN201811215422A CN111069584A CN 111069584 A CN111069584 A CN 111069584A CN 201811215422 A CN201811215422 A CN 201811215422A CN 111069584 A CN111069584 A CN 111069584A
- Authority
- CN
- China
- Prior art keywords
- powder metallurgy
- aluminum
- metallurgy material
- temperature
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000005245 sintering Methods 0.000 claims abstract description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000000498 ball milling Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000005977 Ethylene Substances 0.000 claims abstract description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 229910052709 silver Inorganic materials 0.000 claims abstract description 10
- 239000004332 silver Substances 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 239000011701 zinc Substances 0.000 claims abstract description 10
- 238000000748 compression moulding Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000003831 antifriction material Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- -1 bearings Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
Classifications
-
- 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
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F3/02—Compacting 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a powder metallurgy material for an aluminum-based gear and a preparation method thereof, wherein the powder metallurgy material comprises the following components in percentage by weight: 2.3% of lubricant, 3.6-4.2% of zinc, 1.2-3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities difficult to remove, wherein the preparation method comprises the following steps: (1): ball milling is carried out on the raw materials, the ball-material ratio is 35: 1-55: 1, and the ball milling time is 3.5-4.5 h; (2): putting the powder metallurgy material into a die, pressurizing to 535-625 MPa, and pressing to obtain 3 with the density of 5.5-7.8 g/m; (3): and sintering the powder metallurgy material after the compression molding at a high temperature, wherein the temperature of the first stage is 780-845 ℃, the sintering time is 3 hours, the temperature of the second stage is 940-990 ℃, the sintering time is 3 hours, and the powder metallurgy material is obtained after cooling.
Description
Technical Field
The invention relates to the field of powder metallurgy, in particular to a powder metallurgy material for an aluminum-based gear and a preparation method thereof.
Background
Powder metallurgy sintering is performed below the melting point of the base metal, so that most refractory metals and their compounds can be manufactured only by powder metallurgy at present; the incompactness of powder metallurgy pressing is beneficial to preparing porous materials, bearings, antifriction materials and the like by controlling the density and porosity of products; the size of powder metallurgy compacted products is infinitely close to the final finished product size (no machining or little machining is required). The material utilization rate is high, so that metal can be greatly saved, and the product cost is reduced; the powder metallurgy products are produced by pressing the same die, the consistency among the workpieces is good, and the powder metallurgy products are suitable for the production of large-batch parts, in particular to products with high processing cost such as gears and the like; powder metallurgy can ensure the correctness and uniformity of materials through the proportion of components, and moreover, sintering is generally carried out in vacuum or reducing atmosphere, so that the materials are not polluted or oxidized, and high-purity materials can be prepared.
But some of the powder metallurgy parts have inferior properties to forged and some cast parts, such as ductility and impact resistance; the dimensional accuracy of the product is good, but is not as good as that obtained by some finished products; the non-compact nature of the part can have an impact on the post-processing treatment, which must be taken into account especially in heat treatment, electroplating and the like.
Therefore, there is a need for a powder metallurgy material for aluminum-based gears and a method for producing the same.
Disclosure of Invention
The invention aims to provide a powder metallurgy material which has the advantages of wear resistance, high tensile strength and impact energy, low cost and capability of manufacturing high-strength and wear-resistant gears and a preparation method thereof.
In order to achieve the purpose, the technical scheme of the invention is that the powder metallurgy material for the aluminum-based gear comprises the following components in percentage by weight: 2.3% of lubricant, 3.6-4.2% of zinc, 1.2-3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities difficult to remove.
Preferably, the powder metallurgy material for the aluminum-based gear comprises the following components in percentage by weight: 2.3% of lubricant, 4% of zinc, 3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities which are difficult to remove.
Another object of the present invention is to provide a method for preparing a powder metallurgy material for an aluminum-based gear, including the steps of:
step (1): the following raw materials are respectively taken according to the weight percentage: 2.3% of lubricant, 3.6-4.2% of zinc, 1.2-3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities difficult to remove; mixing the raw materials at a high speed until the materials are uniform; ball-milling the raw materials by using a ball mill, wherein the ball-material ratio is 35: 1-55: 1, and the ball-milling time is 3.5-4.5 h;
step (2): performing compression molding on the powder metallurgy material subjected to ball milling, putting the powder metallurgy material into a mold, pressurizing the mold until the pressure is 535-625 MPa, and pressing until the density of the material is 5.5-7.8 g/m 3;
and (3): and (3) performing high-temperature sintering on the powder metallurgy material after the pressing forming, wherein the high-temperature sintering temperature is divided into two stages, the temperature of the first stage is 780-845 ℃, the sintering time is 3 hours, the temperature of the second stage is increased to 940-990 ℃, the sintering time is 3 hours, and the powder metallurgy material for the aluminum-based gear is obtained after cooling.
Preferably, in the preparation method of the powder metallurgy material for the aluminum-based gear, the die is pressurized to 580 MPa.
Preferably, the aluminum-based gear powder metallurgy material is pressed in the preparation method until the density of the material is 6.4g/m 3.
Preferably, the temperature of the first stage in the preparation method of the powder metallurgy material for the aluminum-based gear is 810 ℃.
Preferably, the temperature of the second stage in the preparation method of the powder metallurgy material for the aluminum-based gear is 960 ℃.
The invention has the advantages that: the powder metallurgy method has the advantages of simple preparation, long service life of the produced gear, high hardness and capability of improving the material performance more favorably.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
Step (1): the following raw materials are respectively taken according to the weight percentage: 2.3% of lubricant, 3.6% of zinc, 1.2% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities which are difficult to remove; mixing the raw materials at a high speed until the materials are uniform; ball-milling the raw materials by using a ball mill, wherein the ball-material ratio is 55:1, and the ball-milling time is 4.5 h; step (2): performing compression molding on the powder metallurgy material subjected to ball milling, putting the powder metallurgy material into a die, pressurizing the die until the pressure is 625MPa, and pressing until the density of the material is 7.8g/m 3; and (3): and (3) performing high-temperature sintering on the powder metallurgy material subjected to compression molding, wherein the high-temperature sintering temperature is divided into two stages, the temperature of the first stage is 845 ℃, the sintering time is 3 hours, the temperature of the second stage is 940 ℃, the sintering time is 3 hours, and the powder metallurgy material for the aluminum-based gear is obtained after cooling.
Example 2
Step (1): the following raw materials are respectively taken according to the weight percentage: 2.3% of lubricant, 4.2% of zinc, 3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities which are difficult to remove; mixing the raw materials at a high speed until the materials are uniform; ball-milling the raw materials by using a ball mill, wherein the ball-material ratio is 35:1, and the ball-milling time is 3.5 h; step (2): performing compression molding on the powder metallurgy material subjected to ball milling, putting the powder metallurgy material into a die, pressurizing the die until the pressure is 535MPa, and pressing until the density of the material is 5.5g/m 3; and (3): and (3) performing high-temperature sintering on the powder metallurgy material subjected to press forming, wherein the high-temperature sintering temperature is divided into two stages, the temperature of the first stage is 780 ℃, the sintering time is 3 hours, the temperature of the second stage is increased to 990 ℃, the sintering time is 3 hours, and the powder metallurgy material for the aluminum-based gear is obtained after cooling.
Example 3
Step (1): the following raw materials are respectively taken according to the weight percentage: 2.3% of lubricant, 4% of zinc, 3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities which are difficult to remove; mixing the raw materials at a high speed until the materials are uniform; ball-milling the raw materials by using a ball mill, wherein the ball-material ratio is 55:1, and the ball-milling time is 4.5 h; step (2): performing compression molding on the powder metallurgy material subjected to ball milling, putting the powder metallurgy material into a die, pressurizing the die until the pressure is 625MPa, and pressing until the density of the material is 7.8g/m 3; and (3): and (3) performing high-temperature sintering on the powder metallurgy material subjected to compression molding, wherein the high-temperature sintering temperature is divided into two stages, the temperature of the first stage is 845 ℃, the sintering time is 3 hours, the temperature of the second stage is 940 ℃, the sintering time is 3 hours, and the powder metallurgy material for the aluminum-based gear is obtained after cooling.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit of the invention, and the scope of the appended claims is to be accorded the full range of equivalents.
Claims (7)
1. The powder metallurgy material for the aluminum-based gear is characterized by comprising the following components in percentage by weight: 2.3% of lubricant, 3.6-4.2% of zinc, 1.2-3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities difficult to remove.
2. The powder metallurgy material for aluminum-based gears according to claim 1, wherein the composition of the powder metallurgy material for aluminum-based gears comprises, in weight percent: 2.3% of lubricant, 4% of zinc, 3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities which are difficult to remove.
3. The preparation method of the powder metallurgy material for the aluminum-based gear is characterized by comprising the following steps of:
step (1): the following raw materials are respectively taken according to the weight percentage: 2.3% of lubricant, 3.6-4.2% of zinc, 1.2-3.3% of nickel, 1.3% of ethylene, 0.2% of silver, and the balance of aluminum and impurities difficult to remove; mixing the raw materials at a high speed until the materials are uniform; ball-milling the raw materials by using a ball mill, wherein the ball-material ratio is 35: 1-55: 1, and the ball-milling time is 3.5-4.5 h;
step (2): performing compression molding on the powder metallurgy material subjected to ball milling, putting the powder metallurgy material into a mold, pressurizing the mold until the pressure is 535-625 MPa, and pressing until the density of the material is 5.5-7.8 g/m 3;
and (3): and (3) performing high-temperature sintering on the powder metallurgy material after the pressing forming, wherein the high-temperature sintering temperature is divided into two stages, the temperature of the first stage is 780-845 ℃, the sintering time is 3 hours, the temperature of the second stage is increased to 940-990 ℃, the sintering time is 3 hours, and the powder metallurgy material for the aluminum-based gear is obtained after cooling.
4. The method of producing a powder metallurgical material for aluminum-based gears according to claim 3, wherein the die is pressurized to a pressure of 580 MPa.
5. The method of claim 3, wherein the aluminum-based gear powder metallurgy material is compacted to a density of 6.4g/m 3.
6. The method of claim 3, wherein the first stage temperature of the method of preparing the powder metallurgy material for aluminum-based gears is 810 ℃.
7. The method of claim 3, wherein the second stage temperature of the method of preparing a powder metallurgy material for aluminum-based gears is 960 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215422.5A CN111069584A (en) | 2018-10-18 | 2018-10-18 | Powder metallurgy material for aluminum-based gear and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215422.5A CN111069584A (en) | 2018-10-18 | 2018-10-18 | Powder metallurgy material for aluminum-based gear and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111069584A true CN111069584A (en) | 2020-04-28 |
Family
ID=70308747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215422.5A Pending CN111069584A (en) | 2018-10-18 | 2018-10-18 | Powder metallurgy material for aluminum-based gear and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111069584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799178A (en) * | 2022-03-30 | 2022-07-29 | 南通鸿明新材料有限公司 | Aluminum-based powder metallurgy belt pulley for camera and manufacturing method |
-
2018
- 2018-10-18 CN CN201811215422.5A patent/CN111069584A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799178A (en) * | 2022-03-30 | 2022-07-29 | 南通鸿明新材料有限公司 | Aluminum-based powder metallurgy belt pulley for camera and manufacturing method |
| CN114799178B (en) * | 2022-03-30 | 2023-09-12 | 南通鸿明新材料有限公司 | Aluminum-based powder metallurgy belt pulley for camera and manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019085183A1 (en) | Method for fabricating titanium and titanium alloy metallurgical products | |
| CN104164587B (en) | A kind of dispersed and strengthened copper-based composite material of densification | |
| CN110373561B (en) | A method for preparing high-density fine-grained titanium alloy by powder forging | |
| CN102773483B (en) | Method for manufacturing valve seat of stop valve by powder metallurgy | |
| CN111036893B (en) | Extrusion preparation method of molybdenum-rhenium alloy pipe | |
| CN105200322A (en) | High-strength automobile part powder metallurgy component and preparation method thereof | |
| CN104550967A (en) | Powder metallurgy process | |
| CN110434324A (en) | A kind of high-performance powder wrought alloy material and preparation method thereof | |
| CN105132799B (en) | Powder metallurgy material for unilateral bearing and preparing method of powder metallurgy material | |
| CN111074166A (en) | Molybdenum-containing high-strength powder metallurgy composite material and preparation method thereof | |
| CN111069584A (en) | Powder metallurgy material for aluminum-based gear and preparation method thereof | |
| CN105983698A (en) | Powder forging method for forklift hub bearing | |
| CN102756123B (en) | A kind of automobile clutch gear based on powder metallurgy technology sintered copper aluminum steel and its manufacturing method | |
| CN111020395A (en) | Iron-based powder metallurgy composite material and preparation method thereof | |
| CN111842876A (en) | Production process of powder metallurgy gear | |
| CN102937143A (en) | Sliding bearing sleeve sintered from copper-aluminum alloy powder and preparation method thereof | |
| CN101349293B (en) | Hydraulic motor valve disc and preparation method thereof | |
| CN111074172A (en) | Corrosion-resistant powder metallurgy composite material and preparation method thereof | |
| CN111069586A (en) | Wear-resistant powder metallurgy gear material containing yellow powder and preparation method thereof | |
| CN111020344A (en) | Novel wear-resistant powder metallurgy material and preparation method thereof | |
| CN111014648A (en) | Novel wear-resistant powder metallurgy material containing molybdenum disulfide and preparation method thereof | |
| CN111014644A (en) | Powder metallurgy material for gear and preparation method thereof | |
| CN105149592B (en) | Warm-pressing preparation method of high-strength aluminum alloy | |
| CN111014643A (en) | High-performance powder metallurgy material and preparation method thereof | |
| CN111020345A (en) | Iron-based powder metallurgy composite material containing vanadium oxide and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200428 |
|
| WD01 | Invention patent application deemed withdrawn after publication |