CN106216701A - The preparation method of al-mg alloy powder - Google Patents
The preparation method of al-mg alloy powder Download PDFInfo
- Publication number
- CN106216701A CN106216701A CN201610867485.3A CN201610867485A CN106216701A CN 106216701 A CN106216701 A CN 106216701A CN 201610867485 A CN201610867485 A CN 201610867485A CN 106216701 A CN106216701 A CN 106216701A
- Authority
- CN
- China
- Prior art keywords
- alloy
- powder
- preparation
- aluminium alloy
- alloy powder
- 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
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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F9/026—Spray drying of solutions or suspensions
-
- 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
- C22C21/06—Alloys based on aluminium with magnesium 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
- B22F2009/046—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by cutting
-
- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
The present invention relates to the preparation method of al-mg alloy powder, it includes being placed in heating furnace aluminum shot, and aluminum shot adds magnesium grain and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured in mould, is subsequently placed in cold water and is cooled to room temperature, obtain alloy pig；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；By alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；Again slurry is made metal dust by sponging granulator.Aluminium alloy is thrown away by the present invention by the red copper wheel rotated, and aluminium alloy can be made quickly to cool down, it is ensured that metal is shorter in the hot stage time of staying; alloying element has little time diffusion; thus thinning microstructure, reduce segregation, then can prepare, by sponging granulator, the metal dust that intensity is high.
Description
Technical field
The present invention relates to the preparation method of al-mg alloy powder.
Background technology
Aluminium alloy with magnesium as main alloy element has light weight, anti-corrosion good, the feature of easy-formation, moderate strength, extensively
General being applied to the vehicles manufactures such as Automobile Plate, oil truck, coal conveyor, boats and ships, manufacturing the vehicles with aluminium alloy can substantially subtract
Light dead-weight, raising carrying capacity, minimizing energy resource consumption, be used for automobile engine and change speed gear box at present.Along with the development of society,
People require that the vehicles possess higher serviceability and reliability, and this is to the mechanical property of some parts material, molding
The combination property such as performance, heat stability it is also proposed higher requirement.As a example by the engine aluminum alloy of automobile, it is desirable to material
Performance meet tensile strength 280～350Mpa, yield strength σ 0.2 >=125 Mpa, percentage elongation δ >=26%, with
Time material spray paint baking after intensity be not decreased obviously.This just requires that material preserves the highest prolonging in the case of higher-strength
Stretch rate, to improve the processability of material, require that material has the highest heat resistance simultaneously, so that the traffic work prepared
There is higher security performance.
Summary of the invention
For above-mentioned technical problem, the present invention provides one can prepare intensity height, the preferable al-mg alloy powder of extensibility
Preparation method.
The technical solution used in the present invention is: the preparation method of al-mg alloy powder, and it comprises the following steps:
(1) being placed in heating furnace by aluminum shot, aluminum shot adds magnesium grain and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost,
Obtain aluminium alloy；
(2) aluminium alloy is poured in mould, is subsequently placed in cold water and is cooled to room temperature, obtain alloy pig；
(3) pulverize after alloy pig being lathed fines, obtain alloyed powder；
(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；
(5) again slurry is made metal dust by sponging granulator.
As preferably, in described stannum grain, magnesium grain and aluminum shot, the content of magnesium is 5-12wt%, and the content of stannum is 12 wt %,
Surplus is aluminum.
As preferably, described liquid uses distilled water or deionized water, and the mass ratio of alloyed powder and liquid is (2.5
3): 1.
As preferably, described organic bond uses metal granulating agent, and its addition is the 2 4% of alloyed powder quality.
As preferably, described sponging granulator uses centrifugal spraying granulator or press atomization comminutor.
As preferably, the rotating speed of described centrifugal spraying granulator is 5,000 8000 revs/min, the pressure of press atomization comminutor
Power is 15 25kg/ cm 2。
As preferably, the inlet temperature of described sponging granulator dry air is 250 350 DEG C, outlet temperature is 100
150℃；The flow of dry air is 100 200 Nm3 /h；Charging rate is 10 20 kg/h.
As can be known from the above technical solutions, aluminium alloy is thrown away by the present invention by the red copper wheel rotated, and aluminium alloy can be made quick
Cooling, it is ensured that metal is shorter in the hot stage time of staying, alloying element has little time to spread, thus thinning microstructure, reduce segregation,
Can be prepared that front intensity is higher, the preferable powder of elongation percentage again by sponging granulator..
Detailed description of the invention
The present invention is described more detail below, and illustrative examples and explanation in this present invention are used for explaining the present invention,
But it is not as a limitation of the invention.
The preparation method of al-mg alloy powder, it comprises the following steps:
With aluminum, magnesium, stannum grain as raw material, and by the content of magnesium be 5-12wt%, the content of stannum be 12 wt %, surplus be that aluminum is carried out
Dispensing；Then being placed in induction heater by aluminum shot, aluminum shot adds magnesium grain and stannum grain after dissolving and carries out melting, until molten clear after drag for clean
Scum silica frost, obtains aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water together with mould and is cooled to room temperature, closed
Ingot；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；Then by alloyed powder and liquid mixing, and add
Enter metal granulating agent to stir, be configured to metal powder slurry；Again slurry is made by centrifugal spraying granulator or press atomization
Metal dust prepared by grain machine.
Embodiment 1
Being placed in induction heater by 93wt % aluminum shot, aluminum shot adds 2wt % stannum grain after dissolving and 5wt% magnesium grain carries out melting, treats
Molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water together with mould and is cooled to room
Temperature, obtains alloy pig；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；Then by alloyed powder and distillation
Water mixes, and the mass ratio of alloyed powder and distilled water is 2.5:1, and adds 2% metal granulating agent stirring of alloyed powder quality all
Even, it is configured to metal powder slurry；Again slurry is carried out pelletize, wherein sponging granulator dry air by centrifugal spraying granulator
Inlet temperature be 250 DEG C, outlet temperature be 100 DEG C, the flow of dry air be 100 Nm3 / h, charging rate are 10kg/
H, the rotating speed of centrifugal spraying granulator is 5,000 8000 revs/min, thus obtains al-mg alloy powder；This alloy powder is used for vapour
Tensile strength during car engine parts up to 351Mpa, yield strength reaches 146Mpa, percentage elongation reaches 26.2%.
Embodiment 2
Being placed in induction heater by 89.5wt % aluminum shot, aluminum shot adds 1.5wt % stannum grain after dissolving and 10wt% magnesium grain melts
Refining, until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water cold together with mould
But to room temperature, alloy pig is obtained；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；Then by alloyed powder
Mix with deionized water, and the mass ratio of alloyed powder and deionized water is 2.8:1, and add 3% metal pelletize of alloyed powder quality
Agent stirs, and is configured to metal powder slurry；Again slurry is carried out pelletize, wherein sponging granulator by press atomization comminutor
The inlet temperature of dry air is 300 DEG C, outlet temperature is 130 DEG C, the flow of dry air is 150 Nm3 / h, charging rate
Being 15 kg/h, the pressure of press atomization comminutor is 25kg/ cm 2, thus obtain al-mg alloy powder；This alloy powder is used for
Tensile strength during automotive engine component up to 362Mpa, yield strength reaches 163Mpa, percentage elongation reaches 27.6%.
Embodiment 3
Being placed in induction heater by 87wt % aluminum shot, aluminum shot adds 1wt % stannum grain after dissolving and 12wt% magnesium grain carries out melting,
Until molten clear after drag for clean scum silica frost, obtain aluminium alloy；Aluminium alloy is poured in mould, is immediately placed in cold water together with mould and is cooled to
Room temperature, obtains alloy pig；Then pulverize after alloy pig being lathed fines, obtain alloyed powder；Then by alloyed powder with go
Ionized water mixes, and the mass ratio of alloyed powder and deionized water is 3:1, and adds 4% metal granulating agent stirring of alloyed powder quality
Uniformly, metal powder slurry it is configured to；Again by press atomization comminutor, slurry being carried out pelletize, wherein sponging granulator is dried sky
The inlet temperature of gas is 350 DEG C, outlet temperature is 150 DEG C, the flow of dry air is 200 Nm3 / h, charging rate are 20
Kg/h, the pressure of press atomization comminutor is 15kg/ cm 2, thus obtain al-mg alloy powder；This alloy powder is used for automobile
Tensile strength during engine components up to 352Mpa, yield strength reaches 146Mpa, percentage elongation reaches 26.7%.
The technical scheme provided the embodiment of the present invention above is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
All will change in formula and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (7)
1. the preparation method of al-mg alloy powder, it comprises the following steps:
(1) being placed in heating furnace by aluminum shot, aluminum shot adds magnesium grain and stannum grain after dissolving and carries out melting, until molten clear after drag for clean scum silica frost,
Obtain aluminium alloy；
(2) aluminium alloy is poured in mould, is subsequently placed in cold water and is cooled to room temperature, obtain alloy pig；
(3) pulverize after alloy pig being lathed fines, obtain alloyed powder；
(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；
(5) again slurry is made metal dust by sponging granulator.
The preparation method of al-mg alloy powder the most according to claim 1, it is characterised in that: described aluminum shot, magnesium grain and stannum grain
The content of middle magnesium is 5-12wt%, and the content of stannum is 12 wt %, and surplus is aluminum.
3. the preparation method of al-mg alloy powder as claimed in claim 1, it is characterised in that: described liquid uses distilled water or goes
Ionized water, and the mass ratio of alloyed powder and liquid is (2.5 3): 1.
4. the preparation method of al-mg alloy powder as claimed in claim 1, it is characterised in that: described organic bond uses metal
Granulating agent, its addition is the 2 4% of alloyed powder quality.
5. the preparation method of al-mg alloy powder as claimed in claim 1, it is characterised in that: described sponging granulator uses centrifugal
Sponging granulator or press atomization comminutor.
6. the preparation method of al-mg alloy powder as claimed in claim 5, it is characterised in that: turning of described centrifugal spraying granulator
Speed is 5,000 8000 revs/min, and the pressure of press atomization comminutor is 15 25kg/ cm 2。
7. the preparation method of al-mg alloy powder as claimed in claim 5, it is characterised in that: described sponging granulator dry air
Inlet temperature be 250 350 DEG C, outlet temperature be 100 150 DEG C；The flow of dry air is 100 200 Nm3 /h；
Charging rate is 10 20 kg/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867485.3A CN106216701A (en) | 2016-09-30 | 2016-09-30 | The preparation method of al-mg alloy powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867485.3A CN106216701A (en) | 2016-09-30 | 2016-09-30 | The preparation method of al-mg alloy powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106216701A true CN106216701A (en) | 2016-12-14 |
Family
ID=58075891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867485.3A Pending CN106216701A (en) | 2016-09-30 | 2016-09-30 | The preparation method of al-mg alloy powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106216701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989074A (en) * | 2019-05-14 | 2019-07-09 | 柳州坚瑞新材料科技有限公司 | A kind of improved almag preparation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878993A (en) * | 1970-12-21 | 1975-04-22 | Welsch M | Method for producing aluminum pellets |
| JPS53118509A (en) * | 1977-03-24 | 1978-10-17 | Alcan Res & Dev | Grain for explosive agent without containing dust powder |
| CN1157857A (en) * | 1996-09-27 | 1997-08-27 | 吴庆林 | Deep-processing technology for magnesium aluminum-alloy powder |
| CN1400324A (en) * | 2001-08-03 | 2003-03-05 | 吴庆林 | Preparation method of magnesium alloy granules and its product |
| CN1410202A (en) * | 2001-09-21 | 2003-04-16 | 吴庆林 | Preparation method of spherical aluminium zinc alloy powder and its product |
| CN103785860A (en) * | 2014-01-22 | 2014-05-14 | 宁波广博纳米新材料股份有限公司 | Metal powder for 3D printer and preparing method thereof |
-
2016
- 2016-09-30 CN CN201610867485.3A patent/CN106216701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878993A (en) * | 1970-12-21 | 1975-04-22 | Welsch M | Method for producing aluminum pellets |
| JPS53118509A (en) * | 1977-03-24 | 1978-10-17 | Alcan Res & Dev | Grain for explosive agent without containing dust powder |
| CN1157857A (en) * | 1996-09-27 | 1997-08-27 | 吴庆林 | Deep-processing technology for magnesium aluminum-alloy powder |
| CN1400324A (en) * | 2001-08-03 | 2003-03-05 | 吴庆林 | Preparation method of magnesium alloy granules and its product |
| CN1410202A (en) * | 2001-09-21 | 2003-04-16 | 吴庆林 | Preparation method of spherical aluminium zinc alloy powder and its product |
| CN103785860A (en) * | 2014-01-22 | 2014-05-14 | 宁波广博纳米新材料股份有限公司 | Metal powder for 3D printer and preparing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989074A (en) * | 2019-05-14 | 2019-07-09 | 柳州坚瑞新材料科技有限公司 | A kind of improved almag preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107937799B (en) | A kind of burr cylinder jacket of centrifugal casting and preparation method thereof | |
| US20050211407A1 (en) | Semi-solid metal casting process of hypoeutectic aluminum alloys | |
| CN104946940A (en) | Die casting aluminum alloy and preparation method thereof | |
| CN103103416B (en) | A kind of smelting preparation method of heat insulated shape bar of aluminum alloy | |
| CN114351017B (en) | Casting method and application of high-toughness high-heat-conductivity aluminum alloy ingot | |
| CN111763837B (en) | Method for refining hypereutectic aluminum-silicon alloy primary silicon phase | |
| CN109881056A (en) | A kind of high tough pack alloy and preparation method thereof | |
| CN103103399A (en) | Smelting preparation method of aluminum alloy section with good stability | |
| CN103103401A (en) | Smelting preparation method for anti-yielding aluminum alloy section bar | |
| CN103205587A (en) | Production technology of high-strength rare earth aluminum alloy applied to automotive pedal | |
| CN102443725A (en) | High-strength aluminum alloy treated by AlH3 and preparation method of high-strength aluminum alloy | |
| CN102366827B (en) | Extrusion casting method of cylinder cover cap of magnesium alloy automobile engine | |
| CN103103414A (en) | Smelting preparation method of chromized aluminum alloy profile | |
| CN105200284A (en) | Magnesium-aluminum alloy | |
| CN106756302A (en) | A kind of high-strength aluminium piston alloy composite of high-temperature wearable and preparation method thereof | |
| CN106238741A (en) | The preparation method of car aluminum magnesium alloy materials | |
| CN106216701A (en) | The preparation method of al-mg alloy powder | |
| CN110396625A (en) | A kind of preparation method of antiwear heat resisting aluminium alloy | |
| CN106148777A (en) | The processing method of automobile engine almag | |
| CN105950929B (en) | Hypereutectic Al Si alloys and magnesium alloy hybrid engine cylinder body and its casting method | |
| CN106350709A (en) | Preparation method aluminum-magnesium alloy | |
| CN106048473A (en) | Aluminum alloy material used for automobile hub and casting method | |
| CN106346013A (en) | Preparation method of aluminum magnesium alloy powder for automobile engine | |
| CN107043875A (en) | A kind of air purifier anti-corrosion and high strength aluminium alloy outer cover material | |
| CN106216700A (en) | A kind of preparation technology of change speed gear box al-mg alloy powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
|
| RJ01 | Rejection of invention patent application after publication |