CN106906404B - A kind of preparation method of closed-cell foam composite material of magnesium alloy - Google Patents
A kind of preparation method of closed-cell foam composite material of magnesium alloy Download PDFInfo
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- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
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- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
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- C22C32/0089—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
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Abstract
The invention belongs to composite material of magnesium alloy field, especially a kind of preparation method of closed-cell foam composite material of magnesium alloy, strict demand is not reached for existing electric conductivity, corrosion resistance, wearability and high temperature creep, and intensity does not reach strict demand, the problem of causing use scope limited, now propose following scheme, comprise the following steps：S1：Prepare the raw material of following parts by weight：20 25 parts of 25 30 parts of Mg, Al, 21 24 parts of 23 26 parts of Fe, Mn, 14 17 parts of 18 22 parts of Zn, SiC, 14 18 parts of 16 20 parts of C, Cr, 13 16 parts of 12 16 parts of Ni, Sr, 12 15 parts of 11 14 parts of Nd, Ca, MgCO358 parts, NaHCO336 parts；S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, 21 26h of ball milling.The present invention possesses excellent intensity, and possesses excellent wearability, corrosion resistance, electric conductivity and high temperature creep, applied widely, prepares speed height, and manufacturing cost is low.
Description
Technical field
The present invention relates to composite material of magnesium alloy technical field, more particularly to a kind of closed-cell foam composite material of magnesium alloy
Preparation method.
Background technology
Magnesium alloy is the alloy that other elements composition is added based on magnesium, with density is small, specific strength is high, damping and amortization
It is good, electromagnetic shielding capability is strong, dimensionally stable, easily recycling the advantages that, led in aircraft industry, automobile, mechanical equipment, electronic product etc.
There is boundless application prospect in domain, is referred to as " green engineering material of 21 century ".
The patent document of Application No. 201410409421.X discloses a kind of magnesium alloy, composite material of magnesium alloy and its system
Preparation Method, for providing a kind of magnesium alloy and composite material of magnesium alloy with good corrosion resistance, still, its intensity reaches
Less than strict demand, and electric conductivity, wearability and high temperature creep are general, cause use scope limited.
The patent document of Application No. 201410624724.3 discloses a kind of system of closed-cell foam composite material of magnesium alloy
Preparation Method, is in brittle fracture under quasistatic compression deformation condition for overcoming the closed-cell foam magnesium alloy that existing process produces
Defect, still, its electric conductivity, corrosion resistance, wearability and high temperature creep do not reach strict demand, cause use scope to have
Limit.
The content of the invention
A kind of preparation method of closed-cell foam composite material of magnesium alloy proposed by the present invention, solve existing electric conductivity,
Corrosion resistance, wearability and high temperature creep do not reach strict demand, and intensity does not reach strict demand, causes use scope to have
The problem of limit.
To achieve these goals, present invention employs following technical solution：
A kind of preparation method of closed-cell foam composite material of magnesium alloy, comprises the following steps：
S1：Prepare the raw material of following parts by weight：20-25 parts of 25-30 parts of Mg, Al, 21-24 parts of 23-26 parts of Fe, Mn,
14-17 parts of 18-22 parts of Zn, SiC, 14-18 parts of 16-20 parts of C, Cr, 13-16 parts of 12-16 parts of Ni, Sr, 11-14 parts of Nd,
5-8 parts of 12-15 parts of Ca, MgCO3,3-6 parts of NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 21-26h, mixing is equal
It is even, mixture A is made；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is warming up to 720-760 DEG C, until
After mixture A melts completely, 10-15min is kept, mixture B is made；
S4：Ca is added in mixture B, is warming up to 760-800 DEG C, 10- is stirred with the rotating speed of 560-600r/min
14min, is made mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, is warming up to 800-840 DEG C, with turning for 1020-1100r/min
Speed stirring 3-5min, then keeps 5-8min at 800-840 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 12-
14min, is then cooled to room temperature, and closed-cell foam composite material of magnesium alloy is made.
Preferably, in the S1, the raw material of following parts by weight is prepared：26-29 parts of Mg, Al21-24 parts, 24-25 parts of Fe,
19-21 parts of 22-23 parts of Mn, Zn, 17-19 parts of 15-16 parts of SiC, C, 13-15 parts of 15-17 parts of Cr, Ni, 14-15 parts of Sr,
13-14 parts of 12-13 parts of Nd, Ca, 4-5 parts of 6-7 parts of MgCO3, NaHCO3.
Preferably, in the S1, the raw material of following parts by weight is prepared：23 parts of 28 parts of Mg, Al, 22 parts of 24 parts of Fe, Mn,
15 parts of 20 parts of Zn, SiC, 16 parts of 18 parts of C, Cr, 15 parts of 14 parts of Ni, Sr, 13 parts of 12 parts of Nd, Ca, 6 parts of MgCO3,
4 parts of NaHCO3.
Preferably, in the S2, Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling
22-25h, is uniformly mixed, and mixture A is made.
Preferably, in the S3, mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, with 10-13
DEG C/speed of min is warming up to 720-760 DEG C, until after mixture A melts completely, 10-15min is kept, mixture B is made.
Preferably, in the S3, mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, with 11-12
DEG C/speed of min is warming up to 730-750 DEG C, until after mixture A melts completely, 11-14min is kept, mixture B is made.
Preferably, in the S4, Ca is added in mixture B, 760-800 DEG C is warming up to the speed of 5-8 DEG C/min, with
The rotating speed stirring 10-14min of 560-600r/min, is made mixture C.
Preferably, in the S4, Ca is added in mixture B, 770-790 DEG C is warming up to the speed of 6-7 DEG C/min, with
The rotating speed stirring 11-13min of 570-590r/min, is made mixture C.
Preferably, in the S5, MgCO3 and NaHCO3 is added in mixture C, is warming up to the speed of 6-9 DEG C/min
800-840 DEG C, 3-5min is stirred with the rotating speed of 1020-1100r/min, then keeps 5-8min at 800-840 DEG C, be made mixed
Compound D.
Preferably, in the S5, MgCO3 and NaHCO3 is added in mixture C, is warming up to the speed of 7-8 DEG C/min
810-830 DEG C, 4-5min is stirred with the rotating speed of 1040-1080r/min, then keeps 6-7min at 810-830 DEG C, be made mixed
Compound D.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, by having by closed-cell foam composite material of magnesium alloy made from major ingredient of Mg, Al, Fe, Mn, Cr, Ni, Sr and Nd
Standby excellent intensity, and possess good wearability, corrosion resistance, electric conductivity and high temperature creep；
2nd, the wearability of closed-cell foam composite material of magnesium alloy, high-temerature creep can be further improved by adding SiC and C
Property and electric conductivity；
3rd, the corrosion resistance of closed-cell foam composite material of magnesium alloy can be further improved by adding Zn and Ca；
4th, the preparation of closed-cell foam composite material of magnesium alloy can be improved by being used as foaming agent by adding MgCO3 and NaHCO3
Speed, reduces manufacturing cost.
The present invention possesses excellent intensity, and possesses excellent wearability, corrosion resistance, electric conductivity and high temperature creep,
It is applied widely, speed height is prepared, manufacturing cost is low.
Embodiment
The technical solution in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of preparation method of closed-cell foam composite material of magnesium alloy, comprises the following steps：
S1：Prepare the raw material of following parts by weight：20 parts of 25 parts of Mg, Al, 21 parts of 23 parts of Fe, Mn, 18 parts of Zn, SiC
14 parts, 14 parts of 16 parts of C, Cr, 13 parts of 12 parts of Ni, Sr, 12 parts of 11 parts of Nd, Ca, 3 parts of 5 parts of MgCO3, NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 21h, are uniformly mixed,
Mixture A is made；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is heated up with the speed of 10 DEG C/min
To 720 DEG C, until after mixture A melts completely, 10min is kept, mixture B is made；
S4：Ca is added in mixture B, 760 DEG C are warming up to the speed of 5 DEG C/min, is stirred with the rotating speed of 560r/min
10min, is made mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, 800 DEG C are warming up to the speed of 6 DEG C/min, with 1020r/
The rotating speed stirring 3min of min, then keeps 5min at 800 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 12min, connect
And be cooled to room temperature, closed-cell foam composite material of magnesium alloy is made.
Embodiment two
A kind of preparation method of closed-cell foam composite material of magnesium alloy, comprises the following steps：
S1：Prepare the raw material of following parts by weight：21 parts of 26 parts of Mg, Al, 22 parts of 24 parts of Fe, Mn, 20 parts of Zn, SiC
15 parts, 15 parts of 17 parts of C, Cr, 14 parts of 13 parts of Ni, Sr, 13 parts of 12 parts of Nd, Ca, 4 parts of 6 parts of MgCO3, NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 22h, are uniformly mixed,
Mixture A is made；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is heated up with the speed of 11 DEG C/min
To 730 DEG C, until after mixture A melts completely, 11min is kept, mixture B is made；
S4：Ca is added in mixture B, 770 DEG C are warming up to the speed of 6 DEG C/min, is stirred with the rotating speed of 570r/min
11min, is made mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, 810 DEG C are warming up to the speed of 7 DEG C/min, with 1040r/
The rotating speed stirring 4min of min, then keeps 6min at 810 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 13min, connect
And be cooled to room temperature, closed-cell foam composite material of magnesium alloy is made.
Embodiment three
A kind of preparation method of closed-cell foam composite material of magnesium alloy, comprises the following steps：
S1：Prepare the raw material of following parts by weight：24 parts of 29 parts of Mg, Al, 23 parts of 25 parts of Fe, Mn, 21 parts of Zn, SiC
16 parts, 17 parts of 19 parts of C, Cr, 15 parts of 15 parts of Ni, Sr, 14 parts of 13 parts of Nd, Ca, 5 parts of 7 parts of MgCO3, NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 25h, are uniformly mixed,
Mixture A is made；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is heated up with the speed of 12 DEG C/min
To 750 DEG C, until after mixture A melts completely, 14min is kept, mixture B is made；
S4：Ca is added in mixture B, 790 DEG C are warming up to the speed of 7 DEG C/min, is stirred with the rotating speed of 590r/min
13min, is made mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, 830 DEG C are warming up to the speed of 8 DEG C/min, with 1080r/
The rotating speed stirring 4min of min, then keeps 7min at 830 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 13min, connect
And be cooled to room temperature, closed-cell foam composite material of magnesium alloy is made.
Example IV
A kind of preparation method of closed-cell foam composite material of magnesium alloy, comprises the following steps：
S1：Prepare the raw material of following parts by weight：25 parts of 30 parts of Mg, Al, 24 parts of 26 parts of Fe, Mn, 22 parts of Zn, SiC
17 parts, 18 parts of 20 parts of C, Cr, 16 parts of 16 parts of Ni, Sr, 15 parts of 14 parts of Nd, Ca, 6 parts of 8 parts of MgCO3, NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 26h, are uniformly mixed,
Mixture A is made；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is heated up with the speed of 13 DEG C/min
To 760 DEG C, until after mixture A melts completely, 15min is kept, mixture B is made；
S4：Ca is added in mixture B, 800 DEG C are warming up to the speed of 8 DEG C/min, is stirred with the rotating speed of 600r/min
14min, is made mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, 840 DEG C are warming up to the speed of 9 DEG C/min, with 1100r/
The rotating speed stirring 5min of min, then keeps 8min at 840 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 14min, connect
And be cooled to room temperature, closed-cell foam composite material of magnesium alloy is made.
To closed-cell foam composite material of magnesium alloy made from embodiment one to example IV and conventional closed-cell foam magnesium alloy
Composite material is tested, and test result is as follows：
It is compound that closed-cell foam magnesium alloy made from embodiment one to example IV is soaked with 5.6% sodium chloride neutral solution
Material and conventional closed-cell foam composite material of magnesium alloy, closed-cell foam magnesium alloy composite wood made from embodiment one to example IV
The average corrosion rate of material and conventional closed-cell foam composite material of magnesium alloy is as follows：
With the wear-resistant tester of model 7-IBB-647 to closed-cell foam magnesium alloy made from embodiment one to example IV
Composite material and conventional closed-cell foam composite material of magnesium alloy are tested, and test result shows embodiment one to example IV system
The closed-cell foam composite material of magnesium alloy obtained improves percentage than the wearability of more conventional closed-cell foam composite material of magnesium alloy
9.3-10.5%.
It can be seen from the above, closed-cell foam composite material of magnesium alloy is than more conventional closed pore made from embodiment one to example IV
The performance of foam magnesium alloy composite material, which is respectively provided with, to be significantly improved, and embodiment three is most preferred embodiment.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of closed-cell foam composite material of magnesium alloy, it is characterised in that comprise the following steps：
S1：Prepare the raw material of following parts by weight：20-25 parts of 25-30 parts of Mg, Al, 21-24 parts of 23-26 parts of Fe, Mn, Zn
18-22 parts, 16-20 parts of 14-17 parts of SiC, C, 12-16 parts of 14-18 parts of Cr, Ni, 11-14 parts of 13-16 parts of Sr, Nd, Ca
12-15 parts, 3-6 parts of 5-8 parts of MgCO3, NaHCO3；
S2：Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 21-26h, are uniformly mixed, system
Obtain mixture A；
S3：Mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is warming up to 720-760 DEG C, until mixing
After thing A melts completely, 10-15min is kept, mixture B is made；
S4：Ca is added in mixture B, is warming up to 760-800 DEG C, 10-14min, system are stirred with the rotating speed of 560-600r/min
Obtain mixture C；
S5：MgCO3 and NaHCO3 is added in mixture C, 800-840 DEG C is warming up to, is stirred with the rotating speed of 1020-1100r/min
3-5min is mixed, then keeps 5-8min at 800-840 DEG C, mixture D is made；
S6：Mixture D is poured into mould, SF is then imported into mould6And CO2Mixed gas, keep 12-14min, connect
And be cooled to room temperature, closed-cell foam composite material of magnesium alloy is made.
2. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S1, prepare the raw material of following parts by weight：21-24 parts of 26-29 parts of Mg, Al, 22-23 parts of 24-25 parts of Fe, Mn, Zn 19-
21 parts, 17-19 parts of 15-16 parts of SiC, C, 13-15 parts of 15-17 parts of Cr, Ni, 12-13 parts of 14-15 parts of Sr, Nd, Ca 13-
14 parts, 4-5 parts of 6-7 parts of MgCO3, NaHCO3.
3. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S1, prepare the raw material of following parts by weight：23 parts of 28 parts of Mg, Al, 22 parts of 24 parts of Fe, Mn, 15 parts of 20 parts of Zn, SiC, C
18 parts, 14 parts of 16 parts of Cr, Ni, 12 parts of 15 parts of Sr, Nd, 6 parts, NaHCO34 parts of 13 parts of Ca, MgCO3.
4. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S2, Mg, Al, Fe, Mn, Zn, SiC, C, Cr, Ni, Sr and Nd are added in ball mill, ball milling 22-25h, are uniformly mixed, is made
Mixture A.
5. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S3, mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is warming up to the speed of 10-13 DEG C/min
720-760 DEG C, until after mixture A melts completely, 10-15min is kept, mixture B is made.
A kind of 6. preparation method of closed-cell foam composite material of magnesium alloy according to claim 1 or 5, it is characterised in that
In the S3, mixture A is added in smelting furnace, under conditions of high-purity argon gas protection, is heated up with the speed of 11-12 DEG C/min
To 730-750 DEG C, until after mixture A melts completely, 11-14min is kept, mixture B is made.
7. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S4, Ca is added in mixture B, 760-800 DEG C is warming up to the speed of 5-8 DEG C/min, with the rotating speed of 560-600r/min
10-14min is stirred, mixture C is made.
A kind of 8. preparation method of closed-cell foam composite material of magnesium alloy according to claim 1 or 7, it is characterised in that
In the S4, Ca is added in mixture B, 770-790 DEG C is warming up to the speed of 6-7 DEG C/min, with 570-590r/min's
Rotating speed stirs 11-13min, and mixture C is made.
9. the preparation method of a kind of closed-cell foam composite material of magnesium alloy according to claim 1, it is characterised in that described
In S5, MgCO3 and NaHCO3 is added in mixture C, 800-840 DEG C is warming up to the speed of 6-9 DEG C/min, with 1020-
The rotating speed stirring 3-5min of 1100r/min, then keeps 5-8min at 800-840 DEG C, mixture D is made.
A kind of 10. preparation method of closed-cell foam composite material of magnesium alloy according to claim 1 or 9, it is characterised in that
In the S5, MgCO3 and NaHCO3 is added in mixture C, 810-830 DEG C is warming up to the speed of 7-8 DEG C/min, with
The rotating speed stirring 4-5min of 1040-1080r/min, then keeps 6-7min at 810-830 DEG C, mixture D is made.
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| CN201710161319.6A CN106906404B (en) | 2017-03-17 | 2017-03-17 | A kind of preparation method of closed-cell foam composite material of magnesium alloy |
| CN201810301922.4A CN108374102A (en) | 2017-03-17 | 2017-03-17 | Component and preparation method thereof for making closed-cell foam composite material of magnesium alloy |
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| CN108929966B (en) * | 2018-08-06 | 2019-11-29 | 界首市菁华科技信息咨询服务有限公司 | A kind of technique promoting metal even foaming using heavy ball heat absorption |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131204A (en) * | 2014-08-19 | 2014-11-05 | 中国科学院长春应用化学研究所 | Magnesium alloy, magnesium alloy composite material and preparation method of composite material |
| CN104343383A (en) * | 2014-10-08 | 2015-02-11 | 陕西师范大学 | Drilling device for earthen archaeological site |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439525C (en) * | 2005-11-16 | 2008-12-03 | 中国科学院金属研究所 | Process for preparing foam magnesium by direct foaming of melt mass |
| CN104164601B (en) * | 2014-08-13 | 2016-02-24 | 扬州峰明金属制品有限公司 | A kind of heat resistance magnesium alloy of polynary enhancing and manufacture method thereof |
| CN104178673B (en) * | 2014-09-12 | 2016-08-24 | 胡贤晨 | A kind of magnesium alloy and preparation method thereof |
| CN104313383B (en) * | 2014-11-07 | 2016-05-11 | 河北工业大学 | A kind of preparation method of closed-cell foam composite material of magnesium alloy |
| CN105369101A (en) * | 2015-10-17 | 2016-03-02 | 华东交通大学 | Method for preparing porous magnesium alloy |
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2017
- 2017-03-17 CN CN201810301922.4A patent/CN108374102A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131204A (en) * | 2014-08-19 | 2014-11-05 | 中国科学院长春应用化学研究所 | Magnesium alloy, magnesium alloy composite material and preparation method of composite material |
| CN104343383A (en) * | 2014-10-08 | 2015-02-11 | 陕西师范大学 | Drilling device for earthen archaeological site |
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| CN106906404A (en) | 2017-06-30 |
| CN108374102A (en) | 2018-08-07 |
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