CN107419149A - A kind of Mg Sn Si Al P magnesium alloys of Al P intermediate alloys enhancing and preparation method thereof - Google Patents
A kind of Mg Sn Si Al P magnesium alloys of Al P intermediate alloys enhancing and preparation method thereof Download PDFInfo
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- CN107419149A CN107419149A CN201710239087.1A CN201710239087A CN107419149A CN 107419149 A CN107419149 A CN 107419149A CN 201710239087 A CN201710239087 A CN 201710239087A CN 107419149 A CN107419149 A CN 107419149A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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Abstract
The present invention relates to a kind of Mg Sn Si Al P magnesium alloys of Al P intermediate alloys enhancing, consist of the following components in percentage by weight：5.0%~8.0% Sn, 1.0%~2.5% Si, 0.0965%~0.965% Al, 0.0035%~0.035% P, 88.2%%~93.4% Mg and the impurity no more than 0.5%, also disclose a kind of preparation method of the Mg Sn Si Al P magnesium alloys of Al P intermediate alloys enhancing.Compared with traditional Mg Sn Si magnesium alloys, Mg Sn Si Al P magnesium alloys produced by the present invention are improved significantly in terms of combination property, Mg2Si sizes tiny can reach 115~125HBW to 8~20um, the Brinell hardness of alloy, and tensile strength can reach 170MPa~195MPa, and elongation can reach 4.2%~4.8%；Using the preparation technology of the present invention, aluminium alloy temperature is relatively low, and P losses are few, and Mg oxidations are light, and composition is easily controllable, and so as to improve alloy quality, manufacturing cost is low.
Description
Technical field
The present invention relates to technical field of metal material, more particularly to a kind of Mg-Sn-Si-Al- of Al-P intermediate alloys enhancing
P magnesium alloys and preparation method thereof.
Background technology
Magnesium alloy has high specific strength and rigidity, damping performance, magnetic shield performance, cutting ability and recuperability, makes
Obtain magnesium alloy and industrially obtain more and more extensive application in recent years.Wherein, and with magnesium alloy in auto parts and components
Using attaching most importance to, to meet the light-weighted requirement of auto industry.Needed with higher-strength due to parts such as automotive hubs and
Compared with the material of high-ductility, and require wear-resisting, corrosion-resistant, surface smoothness is good, can be used under the conditions of relatively rugged environment, institute
It is always to study the focus of application with application of the magnesium alloy on automobile.At present, the combination property of Mg-Sn-Si systems magnesium alloy is still
In terms of not reaching the requirement of the parts such as automotive hub, especially intensity.
The content of the invention
For the low situation of current Mg-Sn-Si systems magnesium alloy strength, the present invention provides a kind of Al-P intermediate alloys enhancing
Mg-Sn-Si-Al-P magnesium alloys and preparation method thereof, Mg-Sn-Si-Al-P magnesium alloys are substantially carried in terms of combination property
Height, the tensile strength of alloy is improved, improves Brinell hardness, improves alloy quality；Preparation method is used in Mg-Sn-Si
It is on the basis of magnesium alloy, a certain amount of Al-P intermediate alloys is added by appropriate technique, by quenched micronization processes, improves
The intensity of alloy.
The present invention is achieved through the following technical solutions, there is provided a kind of Mg-Sn-Si-Al- of Al-P intermediate alloys enhancing
P magnesium alloys, are consisted of the following components in percentage by weight：5.0%~8.0% Sn, 1.0%~2.5% Si, 0.0965%
~0.965% Al, 0.0035%~0.035% P, 88.2%~93.4% Mg and the impurity no more than 0.5%.Prepare
This scope Mg-Sn-Si-Al-P magnesium alloys Mg2Si sizes tiny can reach to 8~20um, the Brinell hardness of alloy
115~125HBW, tensile strength can reach 170MPa~195MPa, and elongation can reach 4.2%~4.8%.
Preferably, a kind of Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing, by following percentage by weight
Component forms：5.5% Sn, 1.25% Si, 0.25% Al, 0.01% P, 92.7% Mg and 0.29% impurity.
The Mg of the Mg-Sn-Si-Al-P magnesium alloys prepared2Si sizes tiny can arrive 8um, and the Brinell hardness of alloy can reach 125HBW,
Tensile strength can reach 195MPa, and elongation can reach 4.8%.
A kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing, comprises the following steps：
(1) Sn, Mg-Si intermediate alloy and Mg according to a certain weight ratio is raw material, and iron crucible is preheating into 220 DEG C of decentralizations
Enter raw material, heat and be warming up to 740 DEG C~760 DEG C fusings, treat that alloy is completely melt, 20~30 minutes are stood, in fusion process
It is passed through gas shield；
(2) heating adds the Al-P intermediate alloys of constant weight proportioning, stirring when melt temperature reaches 740~760 DEG C
After uniformly, treat that Al-P intermediate alloys are completely melt and aluminium alloy is adjusted into 730~750 DEG C, poured into a mould after standing 15~20 minutes
Solidification forming in swage tool, Mg-Sn-Si-Al-P magnesium alloys are made, gas shield is passed through in fusion process.
Preferably, Mg-Si intermediate alloys described in step (1) select the form of Mg-5.3%Si intermediate alloys.
Preferably, 5.0%~8.0% Sn, 18.9%~47.2% Mg- in step (1) by weight ratio
5.3%Si intermediate alloys, 42.3%~75.1% Mg are raw material.
Preferably, 5.5% Sn, 23.6% Mg-5.3%Si intermediate alloys in step (1) by weight ratio,
69.65% Mg is raw material.
Preferably, Al-P intermediate alloys described in step (2) select the form of Al-3.5%P intermediate alloys.
Preferably, the Al-3.5%P intermediate alloys that mass fraction is 0.1%~1.0% are added in step (2).
Preferably, the Al-3.5%P intermediate alloys that mass fraction is 0.3% are added in step (2).
Preferably, in step (1) and step (2), SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas is protected
Shield.
By adding Al-P intermediate alloys into the Mg-Sn-Si magnesium alloys of above-mentioned molten state, in Mg-Sn-Si magnesium alloys
In, a part of P is to be present in granular Mg to be dissolved state2In Si phases, the P of another part exists in the form of Al-P, due to P
With the Al-P Mg for being present such that Chinese character shape2Si rate of crystalline growths are changed, so as to promote Mg2The opposite graininess of Si
Transformation.
Among Al-P intermediate alloys are added to Mg-Sn-Si magnesium alloys as modifying-refining agent, Al-P compound particles disperse
It is distributed in magnesium melt, so as to form substantial amounts of heterogeneous nuclei, then Mg2Si primary phases using Al compounds as forming core core and
Grow up, therefore, Al-P intermediate alloy modifying-refining agents serve rotten Mg2The effect of Si phases.Acted on by modifying-refining, not
Substantially reduce on the premise of this is magnesium alloy modulus of elasticity, effectively improve and refined Mg2Si sizes, improve alloy intensity and
The performances such as hardness.
Beneficial effects of the present invention are：
(1) compared with traditional Mg-Sn-Si magnesium alloys, Mg-Sn-Si-Al-P magnesium alloys produced by the present invention are in combination property
Aspect is improved significantly, Mg2Si sizes tiny can reach 115~125HBW to 8~20um, the Brinell hardness of alloy, resist
Tensile strength can reach 170MPa~195MPa, and elongation can reach 4.2%~4.8%.
(2) using the preparation technology of the present invention, aluminium alloy temperature is relatively low, and P losses are few, and Mg oxidations are light, and composition is easy to
Control, so as to improve alloy quality, manufacturing cost is low.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is further described with reference to specific embodiment.
Embodiment 1
Mg-Sn-Si-Al-P magnesium alloy materials consist of the following components in percentage by weight made from the embodiment of the present invention：
5.0% Sn, 1.0% Si, 0.0965% Al, 0.0035% P, 93.4% Mg and 0.5% impurity.
Following steps are taken to be made：
(1) it is raw material by weight ratio for 5.0% Sn, 18.9% Mg-5.3%Si intermediate alloys, 75.1% Mg,
Iron crucible is preheating at 220 DEG C and is put into raw material, heats and melts and be warming up to 740 DEG C, treat that alloy is completely melt, stands 20 points
Clock, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield；
(2) when melt temperature reaches 740 DEG C, the Al-3.5%P intermediate alloys that mass fraction is 0.1%, stirring are added
After uniformly, treat that intermediate alloy is completely melt and aluminium alloy is adjusted into 730 DEG C DEG C, pour into a mould after standing 15 minutes and solidified in swage tool
Shaping, Mg-Sn-Si-Al-P magnesium alloys are made, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield, gained
Alloy property is shown in Table 1.
Embodiment 2
Mg-Sn-Si-Al-P magnesium alloy materials consist of the following components in percentage by weight made from the embodiment of the present invention：
5.0% Sn, 1.0% Si, 0.965% Al, 0.035% P, 92.5% Mg and 0.5% impurity.
Following steps are taken to be made：
(1) it is raw material by weight ratio for 5.0% Sn, 18.9% Mg-5.3%Si intermediate alloys, 75.1% Mg,
Iron crucible is preheating at 220 DEG C and is put into raw material, heats and melts and be warming up to 760 DEG C, treat that alloy is completely melt, stands 30 points
Clock, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield；
(2) when melt temperature reaches 760 DEG C, the Al-3.5%P intermediate alloys that mass fraction is 1.0%, stirring are added
After uniformly, treat that intermediate alloy is completely melt and aluminium alloy is adjusted into 750 DEG C, pour into a mould after standing 25 minutes and be frozen into swage tool
Shape, Mg-Sn-Si-Al-P magnesium alloys are made, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield, gained close
Golden performance is shown in Table 1.
Embodiment 3
Mg-Sn-Si-Al-P magnesium alloy materials consist of the following components in percentage by weight made from the embodiment of the present invention：
5.5% Sn, 1.25% Si, 0.25% Al, 0.01% P, 92.7% Mg and 0.29% impurity.
Following steps are taken to be made：
(1) it is former by weight ratio for 5.5% Sn, 23.6% Mg-5.3%Si intermediate alloys, 69.65% Mg
Material, iron crucible is preheating at 220 DEG C and is put into raw material, is heated and is melted and be warming up to 750 DEG C, treats that alloy is completely melt, stands 25
Minute, it is passed through SF in fusion process6:CO2Volume ratio is 1:200 gas shield；
(2) when melt temperature reaches 750 DEG C, the Al-3.5%P intermediate alloys that mass fraction is 0.3%, stirring are added
After uniformly, treat that intermediate alloy is completely melt and aluminium alloy is adjusted into 740 DEG C, pour into a mould after standing 20 minutes and be frozen into swage tool
Shape, Mg-Sn-Si-Al-P magnesium alloys are made.SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield, gained close
Golden performance is shown in Table 1.
Embodiment 4
Mg-Sn-Si-Al-P magnesium alloy materials consist of the following components in percentage by weight made from the embodiment of the present invention：
8.0% Sn, 2.5% Si, 0.0965% Al, 0.0035% P, 89.1% Mg and 0.3% impurity.
Following steps are taken to be made：
(1) it is raw material by weight ratio for 8.0% Sn, 47.2% Mg-5.3%Si intermediate alloys, 42.3% Mg,
Iron crucible is preheating at 220 DEG C and is put into raw material, heats and melts and be warming up to 760 DEG C, treat that alloy is completely melt, stands 30 points
Clock, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield；
(2) when melt temperature reaches 760 DEG C, the Al-3.5%P intermediate alloys that mass fraction is 0.1%, stirring are added
After uniformly, treat that intermediate alloy is completely melt and aluminium alloy is adjusted into 750 DEG C, pour into a mould after standing 25 minutes and be frozen into swage tool
Shape, Mg-Sn-Si-Al-P magnesium alloys are made, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield, gained close
Golden performance is shown in Table 1.
Embodiment 5
Mg-Sn-Si-Al-P magnesium alloy materials consist of the following components in percentage by weight made from the embodiment of the present invention：
8.0% Sn, 2.5% Si, 0.965% Al, 0.035% P, 88.2% Mg and 0.3% impurity.
Following steps are taken to be made：
(1) it is raw material by weight ratio for 8.0% Sn, 47.2% Mg-5.3%Si intermediate alloys, 42.3% Mg,
Iron crucible is preheating at 220 DEG C and is put into raw material, heats and melts and be warming up to 740 DEG C, treat that alloy is completely melt, stands 20 points
Clock, SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield；
(2) when melt temperature reaches 740 DEG C, the Al-3.5%P intermediate alloys that mass fraction is 1.0%, stirring are added
After uniformly, treat that intermediate alloy is completely melt and aluminium alloy is adjusted into 730 DEG C DEG C, pour into a mould after standing 15 minutes and solidified in swage tool
Shaping, Mg-Sn-Si-Al-P magnesium alloys are made.SF is passed through in fusion process6:CO2Volume ratio is 1:200 gas shield, gained
Alloy property is shown in Table 1.
Choose with embodiment alloy constituent element similar in Mg-5%Sn-1.25%Si magnesium alloys as a comparison case, Mg-5%Sn-
The constituent of 1.25%Si magnesium alloys is：5.0% Sn, 1.25% Si, 93.75% Mg.Comparative example and embodiment
Mechanical property comparing result is as shown in table 1.As a result show, the synthesis of alloy ratio Mg-5%Sn-1.25%Si magnesium alloys of the present invention
Mechanical property is obviously improved：Mg2Si grains size is down to 8um by 22um is minimum, reduces 63.6%；Tensile strength highest
43MPa is improved, improves 25.8%；Elongation % is increased to 4.8% by 4.2% highest, and firmness change is little.
The room-temperature mechanical property of the embodiment of the present invention of table 1 and comparative example
Certainly, described above is also not limited to the example above, the technical characteristic of the invention without description can by or
Realized, will not be repeated here using prior art；It is not to this that above example, which is merely to illustrate technical scheme,
The limitation of invention, the present invention is described in detail with reference to preferred embodiment, one of ordinary skill in the art should
Understand, the variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the present invention
Without departure from spirit of the invention, it should also belong to claims of the invention.
Claims (10)
- A kind of 1. Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing, it is characterised in that：By following percentage by weight Component forms：5.0%~8.0% Sn, 1.0%~2.5% Si, 0.0965%~0.965% Al, 0.0035%~ 0.035% P, 88.2%~93.4% Mg and the impurity no more than 0.5%.
- 2. a kind of Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 1, its feature exist In：Consist of the following components in percentage by weight：5.5% Sn, 1.25% Si, 0.25% Al, 0.01% P, 92.7% Mg and 0.29% impurity.
- 3. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 1, Comprise the following steps：(1) Sn, Mg-Si intermediate alloy and Mg according to a certain weight ratio is raw material, and iron crucible is preheating at 220 DEG C and is put into original Material, heats and is warming up to 740 DEG C~760 DEG C fusings, treat that alloy is completely melt, stands 20~30 minutes, is passed through in fusion process Gas shield；(2) heating adds the Al-P intermediate alloys of constant weight proportioning, stirred when melt temperature reaches 740~760 DEG C Afterwards, treat that Al-P intermediate alloys are completely melt and aluminium alloy is adjusted into 730~750 DEG C, swage is poured into a mould after standing 15~20 minutes Solidification forming in tool, Mg-Sn-Si-Al-P magnesium alloys are made, gas shield is passed through in fusion process.
- 4. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 3, It is characterized in that：Mg-Si intermediate alloys described in step (1) select the form of Mg-5.3%Si intermediate alloys.
- 5. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 4, It is characterized in that：In 5.0%~8.0% Sn, 18.9%~47.2% Mg-5.3%Si in step (1) by weight ratio Between alloy, 42.3%~75.1% Mg be raw material.
- 6. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 5, It is characterized in that：5.5% Sn, 23.6% Mg-5.3%Si intermediate alloys in step (1) by weight ratio, 69.65% Mg be raw material.
- 7. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 3, It is characterized in that：Al-P intermediate alloys described in step (2) select the form of Al-3.5%P intermediate alloys.
- 8. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 7, It is characterized in that：The Al-3.5%P intermediate alloys that mass fraction is 0.1%~1.0% are added in step (2).
- 9. a kind of preparation method of the Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to claim 8, It is characterized in that：The Al-3.5%P intermediate alloys that mass fraction is 0.3% are added in step (2).
- A kind of 10. Mg-Sn-Si-Al-P magnesium alloys of Al-P intermediate alloys enhancing according to any one of claim 3~9 Preparation method, it is characterised in that：In step (1) and step (2), SF is passed through in fusion process6:CO2Volume ratio is 1:200 Gas shield.
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| CN201710239087.1A CN107419149A (en) | 2017-04-13 | 2017-04-13 | A kind of Mg Sn Si Al P magnesium alloys of Al P intermediate alloys enhancing and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485151A (en) * | 2020-05-21 | 2020-08-04 | 温州市星峰新材料有限公司 | Corrosion-resistant cast magnesium alloy and manufacturing method thereof |
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| CN102719716A (en) * | 2012-05-28 | 2012-10-10 | 哈尔滨工业大学 | Heat conduction magnesium alloy and preparation method thereof |
| JP2014192009A (en) * | 2013-03-27 | 2014-10-06 | Honda Foundry Co Ltd | Negative pole for secondary battery using magnesium alloy and manufacturing method thereof |
| CN104278181A (en) * | 2013-08-11 | 2015-01-14 | 济南大学 | Quasicrystal phase reinforced Mg-Al-Mn-Zn-Y magnesium alloy |
| CN104278179A (en) * | 2013-12-13 | 2015-01-14 | 济南大学 | Si-intensified Mg-Sn casting magnesium alloy material |
| CN105986157A (en) * | 2015-03-02 | 2016-10-05 | 中兴通讯股份有限公司 | Magnesium alloy and preparing method thereof |
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2017
- 2017-04-13 CN CN201710239087.1A patent/CN107419149A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719716A (en) * | 2012-05-28 | 2012-10-10 | 哈尔滨工业大学 | Heat conduction magnesium alloy and preparation method thereof |
| JP2014192009A (en) * | 2013-03-27 | 2014-10-06 | Honda Foundry Co Ltd | Negative pole for secondary battery using magnesium alloy and manufacturing method thereof |
| CN104278181A (en) * | 2013-08-11 | 2015-01-14 | 济南大学 | Quasicrystal phase reinforced Mg-Al-Mn-Zn-Y magnesium alloy |
| CN104278179A (en) * | 2013-12-13 | 2015-01-14 | 济南大学 | Si-intensified Mg-Sn casting magnesium alloy material |
| CN105986157A (en) * | 2015-03-02 | 2016-10-05 | 中兴通讯股份有限公司 | Magnesium alloy and preparing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111485151A (en) * | 2020-05-21 | 2020-08-04 | 温州市星峰新材料有限公司 | Corrosion-resistant cast magnesium alloy and manufacturing method thereof |
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