CN107971500A - The production method and magnesium alloy part of a kind of magnesium alloy part - Google Patents
The production method and magnesium alloy part of a kind of magnesium alloy part Download PDFInfo
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- CN107971500A CN107971500A CN201711247065.6A CN201711247065A CN107971500A CN 107971500 A CN107971500 A CN 107971500A CN 201711247065 A CN201711247065 A CN 201711247065A CN 107971500 A CN107971500 A CN 107971500A
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- magnesium alloy
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- alloy powder
- product blank
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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
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
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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
- 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
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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
- B22F2009/0804—Dispersion in or on liquid, other than with sieves
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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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
The present invention provides a kind of production method and magnesium alloy part of magnesium alloy part, including：Magnesium alloy solution is heated to preset temperature；The magnesium alloy solution is cooled down using rapid cooling mode, obtains magnesium alloy powder；The magnesium alloy powder is processed forming processes, obtains magnesium alloy part.In this way, the magnesium alloy powder in powdered form can be obtained quickly, so as to reduce the time for being processed into magnesium alloy powder, the processing efficiency of magnesium alloy part is substantially increased.
Description
Technical field
The present invention relates to the production method and magnesium alloy part of automobile technical field, more particularly to a kind of magnesium alloy part.
Background technology
Magnesium alloy is the alloy that other elements composition is added based on magnesium, it has intensity high, and elasticity modulus is big, heat dissipation
The features such as good, absorb shock resistance is good, and the load that withstands shocks can be big, and the corrosive nature of resistance to organic matter and alkali is good；Therefore it is widely used in vapour
The fields such as car, aerospace, are applied especially to automotive field, and for example the product made of magnesium alloy can make automobile reach light weight
The purpose of change.However, the technique of powder metallurgy, the process ratio of this technique is usually taken in the production method of existing magnesium alloy part
It is more complicated, and technological requirement is stringent, therefore make process time also longer.Thus, the process time of current magnesium alloy part
It is longer.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of production method of magnesium alloy part solve magnesium alloy part
The problem of process time is longer.
In order to achieve the above object, the embodiment of the present invention provides a kind of method of magnesium alloy part, including：
Magnesium alloy solution is heated to preset temperature；
The magnesium alloy solution is cooled down using rapid cooling mode, obtains magnesium alloy powder；
The magnesium alloy powder is processed forming processes, obtains magnesium alloy part.
Optionally, it is described that the magnesium alloy solution is cooled down using rapid cooling mode, magnesium alloy powder is obtained, is had
Body includes：
To addition rapid cooling agent in the closed container of the magnesium alloy solution is contained with, the magnesium alloy solution is carried out
Cooling.
Optionally, the rapid cooling agent includes liquid nitrogen.
Optionally, the preset temperature is greater than or equal to 648 degrees Celsius.
Optionally, it is described when the use rapid cooling mode cools down the magnesium alloy solution in the method
Magnesium alloy solution temperature after cooling is 15 degrees Celsius to 20 degrees Celsius.
Optionally, it is described that the magnesium alloy powder is processed forming processes, magnesium alloy part is obtained, is specifically included：
The magnesium alloy powder is subjected to compression process, obtains product blank；
The product blank is processed by default processing method, obtains magnesium alloy part.
Optionally, it is described that the magnesium alloy powder is subjected to compression process, product blank is obtained, is specifically included：
Active material is added in the magnesium alloy powder, compression process is carried out to the magnesium alloy powder, in compression process
During the magnesium alloy powder and the active material are sufficiently mixed so that the active material and the magnesium alloy powder
The magnesia on last surface reacts, and obtains relative density and is more than or the product blank equal to 95%.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by hot extrusion mode, obtains magnesium alloy profiles.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by hot forging mode, obtains magnesium alloy forging.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by drawing mode, obtains magnesium alloy bar/wire rod.
The embodiment of the present invention also provides a kind of magnesium alloy part, and the magnesium alloy part is using provided in an embodiment of the present invention
The production method of magnesium alloy part is made.
A technical solution in above-mentioned technical proposal has the following advantages that or beneficial effect：
In the embodiment of the present invention, magnesium alloy solution is heated to preset temperature；The magnesium is closed using rapid cooling mode
Gold solution is cooled down, and obtains magnesium alloy powder；The magnesium alloy powder is processed forming processes, obtains magnesium alloy system
Part；In this way, the magnesium alloy powder in powdered form can be quickly obtained, so as to reduce the time for being processed into magnesium alloy powder, greatly
The big processing efficiency for improving magnesium alloy part.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the production method of magnesium alloy part provided in an embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of production method of magnesium alloy part, including：
S1, by magnesium alloy solution be heated to preset temperature.
Wherein, it is described magnesium alloy solution is heated to preset temperature specific steps can be：By heater to holding
Magnesium alloy solution in a reservoir is heated, until being heated to preset temperature, and maintains a period of time.Wherein, the heating
Device can be stainless steel heater or Teflon heater etc.；The container can be rustless steel container or polypropylene containers
Deng.It should be noted that the magnesium alloy solution can according to user demand prepared solution in advance.
Optionally, the preset temperature is greater than or equal to 648 degrees Celsius；Wherein, the described 648 degrees Celsius fusing points for magnesium；
In this way, by the way that magnesium alloy solution to be heated to the temperature more than or equal to 648 degrees Celsius, can make in the magnesium alloy solution
Magnesium metal is fully changed into liquid, so as to be conducive to make the magnesium alloy solution sufficiently cool in follow-up process.
S2, using rapid cooling mode cool down the magnesium alloy solution, obtains magnesium alloy powder.
Wherein, the rapid cooling mode, it can be understood as can make the magnesium alloy solution within the extremely short time from
One higher temperature transition such as can pass through liquid nitrogen and 648 degrees Celsius of magnesium is closed to the mode of a relatively low temperature
Gold solution is cooled down, and the magnesium alloy solution is down to 20 degrees centigrades from 648 degrees Celsius in tens seconds.
It should be noted that the magnesium alloy solution is in rapid cooling, i.e., described magnesium alloy solution is from one higher
During temperature transition to a relatively low temperature, the immanent structure of the metal in the magnesium alloy solution can change,
The metal can be made to be changed from liquid to solid-state rapidly, and be fragmented into the metallic particles in pulverulence, i.e., described magnesium closes
Bronze end.And common powder extraction technique, mechanical milling method is usually taken, and this mode process time is longer, and process
More, the requirement to technique is stringenter.
In this way, in contrast to common powder extraction technique, present embodiment can save more process times and processing
Expense, can improve the production efficiency of magnesium alloy powder.
Optionally, it is described that the magnesium alloy solution is cooled down using rapid cooling mode, magnesium alloy powder is obtained, is had
Body includes：To addition rapid cooling agent in the closed container of the magnesium alloy solution is contained with, the magnesium alloy solution is carried out
Cooling.
Wherein, the rapid cooling agent can be understood as to make the magnesium alloy solution within the extremely short time from one
Higher temperature transition to a relatively low temperature cooling agent.In this way, by being contained with the closed of the magnesium alloy solution
Rapid cooling agent is added in container, the cooling time of the magnesium alloy solution can be made shorter, so as to improve magnesium alloy powder
Production efficiency.Optionally, the rapid cooling agent includes liquid nitrogen；In this way, by being contained with the close of the magnesium alloy solution
Close and liquid nitrogen is added in container, the magnesium alloy solution is cooled down, cost can be reduced, and more stablize.In addition, institute
It can also be liquified hydrogen, liquid helium or liquid oxygen etc. to state rapid cooling agent, this is not limited specifically, so that the magnesium
Alloy solution can realize the effect of rapid cooling.
Optionally, when the use rapid cooling mode cools down the magnesium alloy solution, the magnesium alloy solution
Temperature after cooling is 15 degrees Celsius to 20 degrees Celsius.
Wherein, the magnesium alloy solution temperature after cooling be 15 degrees Celsius to 20 degrees Celsius, it can be understood as room temperature or
Person's room temperature；In this way, it is sufficiently cool to be conducive to the magnesium alloy solution, so that the magnesium alloy solution is sufficiently converted to magnesium
Alloy powder.Certainly, the magnesium alloy solution temperature after cooling can also be other temperature, such as：25 degrees Celsius.To this simultaneously
Do not limit specifically.
S3, by the magnesium alloy powder be processed forming processes, obtains magnesium alloy part.
Wherein, described that magnesium alloy powder is carried out forming processes, obtaining the specific steps of magnesium alloy part can be：Pass through
Powder technology, makes the magnesium alloy powder closely knit into the briquet with definite shape, size, density and intensity, is obtaining
After the briquet, it is obtained required final physical mechanical performance by sintering the briquet, that is, be exactly to be used
The magnesium alloy part that family needs.
It should be noted that the powder technology includes compressing and specially-shaped；The processing side of the sintering
Formula includes hot extrusion, hot forging, drawing and casting etc..
Optionally, it is described that the magnesium alloy powder is processed forming processes, magnesium alloy part is obtained, is specifically included：
The magnesium alloy powder is subjected to compression process, obtains product blank；
The product blank is processed by default processing method, obtains magnesium alloy part.
Wherein, the compression process can be understood as the compressing technique in aforementioned powder moulding process, most common
Compressing technique is compression molding, i.e., a kind of powder forming method that impressed pressure is utilized in pressing mold.In this way, pass through compacting
Molding mode can make the intensity of the product blank higher.
The default processing method includes sintering processing method, such as can be hot extrusion, hot forging, drawing and casting.And
After being processed by different default processing methods to the product blank, user can be made to obtain wanting each of the manufacturing
The magnesium alloy part of type.Also, the magnesium alloy as obtained from default processing method is processed the product blank
Product, its uniform texture, no component segregation, crystal grain are tiny, the active height of crystal grain, in addition, the magnesium alloy part also has
The characteristics of low-density, Gao Biqiang, high-wearing feature and highly corrosion resistant.
Optionally, it is described that the magnesium alloy powder is subjected to compression process, product blank is obtained, is specifically included：
Active material is added in the magnesium alloy powder, compression process is carried out to the magnesium alloy powder, in compression process
During the magnesium alloy powder and the active material are sufficiently mixed so that the active material and the magnesium alloy powder
The magnesia on last surface reacts, and obtains relative density and is more than or the product blank equal to 95%.
Wherein, the active material includes reducing agent, and the reducing agent can be sent out with the magnesia on magnesium alloy powder surface
Raw reaction, such as the reducing agent can be the reducing agents such as charcoal, coke, anthracite.Wherein for the magnesium alloy powder with
Proportioning of the active material etc. is without limiting.The mode of the mixing includes Mechanical Method and chemical method, and machinery is usually taken
Method is mixed, such as can mechanically be admixed powder by various mixers, stirred evenly without chemically reacting, or
Person can not also specifically limit this by mode of vibration.
The active material and the magnesia on the magnesium alloy powder surface react, and obtain relative density and are more than or wait
In 95% product blank, it can be understood as due to the naturally occurring one layer of fine and close oxide-film in the magnesium alloy powder surface, institute
State oxide-film and hinder pressing process strongly, cause the problems such as powder-pressing process is complicated, compacting is difficult, reduction is smelted, and add
After the active material, the active material can remove this layer of oxide-film by way of reacting with magnesia, make institute
State the magnesium alloy in magnesium alloy powder and break the obstruction of oxide-film, so as to be pressed into together, and then can obtain relatively denser
In or equal to 95% blank.
In this way, by adding active material, the oxide-film of the obstruction compacting on the magnesium alloy powder surface can be removed, from
And the pressing process of the magnesium alloy powder can be made more smooth, obtained green density is small, specific strength is high, specific stiffness it is high with
It is and bigger than elasticity modulus.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by hot extrusion mode, obtains magnesium alloy profiles.
In this way, the magnesium alloy profiles can be obtained in the short period of time, and cause the structure of the magnesium alloy profiles
Close uniform, crystal grain activity is higher, so as to improve the load that the magnesium alloy profiles can undertake.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by hot forging mode, obtains magnesium alloy forging.
In this way, the brisement toughness of the magnesium alloy forging can be made higher, the plasticity of the magnesium alloy forging can be improved,
And possesses the intensity of higher.
Optionally, it is described that the product blank is processed by default processing method, magnesium alloy part is obtained, specifically
Including：
The product blank is processed by drawing mode, obtains magnesium alloy bar/wire rod.
In this way, the shape and size of the magnesium alloy bar/wire rod can be made accurate, surface quality is good, intensity higher.
In the embodiment of the present invention, magnesium alloy solution is heated to preset temperature；The magnesium is closed using rapid cooling mode
Gold solution is cooled down, and obtains magnesium alloy powder；The magnesium alloy powder is processed forming processes, obtains magnesium alloy system
Part；In this way, the magnesium alloy powder in powdered form can be quickly obtained, so as to reduce the time for being processed into magnesium alloy powder, greatly
The big processing efficiency for improving magnesium alloy part.
The embodiment of the present invention also provides a kind of magnesium alloy part, and the magnesium alloy part is using provided in an embodiment of the present invention
The production method of magnesium alloy part is made.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
- A kind of 1. production method of magnesium alloy part, it is characterised in that including：Magnesium alloy solution is heated to preset temperature；The magnesium alloy solution is cooled down using rapid cooling mode, obtains magnesium alloy powder；The magnesium alloy powder is processed forming processes, obtains magnesium alloy part.
- 2. according to the method described in claim 1, it is characterized in that, described use rapid cooling mode to the magnesium alloy solution Cooled down, obtain magnesium alloy powder, specifically included：To addition rapid cooling agent in the closed container of the magnesium alloy solution is contained with, the magnesium alloy solution is carried out cold But.
- 3. according to the method described in claim 2, it is characterized in that, the rapid cooling agent includes liquid nitrogen.
- 4. according to the method described in claim 1, it is characterized in that, the preset temperature is greater than or equal to 648 degrees Celsius.
- 5. according to the method described in claim 1, it is characterized in that, in the method, the use rapid cooling mode is to institute When stating magnesium alloy solution and being cooled down, the magnesium alloy solution temperature after cooling is 15 degrees Celsius to 20 degrees Celsius.
- 6. according to the method described in claim 5, described be processed forming processes by the magnesium alloy powder, magnesium alloy is obtained Product, specifically includes：The magnesium alloy powder is subjected to compression process, obtains product blank；The product blank is processed by default processing method, obtains magnesium alloy part.
- 7. according to the method described in claim 6, it is characterized in that, it is described by the magnesium alloy powder carry out compression process, obtain To product blank, specifically include：Active material is added in the magnesium alloy powder, compression process is carried out to the magnesium alloy powder, in the mistake of compression process The magnesium alloy powder and the active material are sufficiently mixed in journey, so that the active material and the magnesium alloy powder table The magnesia in face reacts, and obtains relative density and is more than or the product blank equal to 95%.
- 8. according to the method described in claim 6, it is characterized in that, it is described by default processing method to the product blank into Row processing, obtains magnesium alloy part, specifically includes：The product blank is processed by hot extrusion mode, obtains magnesium alloy profiles.
- 9. according to the method described in claim 6, it is characterized in that, it is described by default processing method to the product blank into Row processing, obtains magnesium alloy part, specifically includes：The product blank is processed by hot forging mode, obtains magnesium alloy forging.
- It is 10. according to the method described in claim 6, it is characterized in that, described by presetting processing method to the product blank It is processed, obtains magnesium alloy part, specifically includes：The product blank is processed by drawing mode, obtains magnesium alloy bar/wire rod.
- 11. a kind of magnesium alloy part, it is characterised in that be made of the method as any one of claim 1-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711247065.6A CN107971500B (en) | 2017-12-01 | 2017-12-01 | Manufacturing method of magnesium alloy part and magnesium alloy part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247065.6A CN107971500B (en) | 2017-12-01 | 2017-12-01 | Manufacturing method of magnesium alloy part and magnesium alloy part |
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| CN107971500B CN107971500B (en) | 2020-09-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59208046A (en) * | 1983-05-10 | 1984-11-26 | Toyota Motor Corp | Particle dispersed composite material and its production |
| CN1130114A (en) * | 1995-09-07 | 1996-09-04 | 上海申建冶金机电技术工程公司 | Method for preparing quickly solidifing hydrogen-stored alloy powder material |
| CN101925427A (en) * | 2008-01-23 | 2010-12-22 | 特拉迪姆有限公司 | Phlegmatized metal powder or alloy powder and method and reaction vessel for production thereof |
| CN102312144A (en) * | 2010-07-07 | 2012-01-11 | 乐普（北京）医疗器械股份有限公司 | Ultrafine-grain medical magnesium alloy and preparation method thereof |
| CN103212716A (en) * | 2013-04-23 | 2013-07-24 | 吴鋆 | Method of preparing metal zinc powder |
| CN104985189A (en) * | 2015-06-15 | 2015-10-21 | 临江镁业（集团）有限公司 | Preparation method for superfine magnesium alloy |
-
2017
- 2017-12-01 CN CN201711247065.6A patent/CN107971500B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59208046A (en) * | 1983-05-10 | 1984-11-26 | Toyota Motor Corp | Particle dispersed composite material and its production |
| CN1130114A (en) * | 1995-09-07 | 1996-09-04 | 上海申建冶金机电技术工程公司 | Method for preparing quickly solidifing hydrogen-stored alloy powder material |
| CN101925427A (en) * | 2008-01-23 | 2010-12-22 | 特拉迪姆有限公司 | Phlegmatized metal powder or alloy powder and method and reaction vessel for production thereof |
| CN102312144A (en) * | 2010-07-07 | 2012-01-11 | 乐普（北京）医疗器械股份有限公司 | Ultrafine-grain medical magnesium alloy and preparation method thereof |
| CN103212716A (en) * | 2013-04-23 | 2013-07-24 | 吴鋆 | Method of preparing metal zinc powder |
| CN104985189A (en) * | 2015-06-15 | 2015-10-21 | 临江镁业（集团）有限公司 | Preparation method for superfine magnesium alloy |
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