CN102424927A - Magnesium-aluminum alloy and preparation method thereof - Google Patents
Magnesium-aluminum alloy and preparation method thereof Download PDFInfo
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- CN102424927A CN102424927A CN2011103995535A CN201110399553A CN102424927A CN 102424927 A CN102424927 A CN 102424927A CN 2011103995535 A CN2011103995535 A CN 2011103995535A CN 201110399553 A CN201110399553 A CN 201110399553A CN 102424927 A CN102424927 A CN 102424927A
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Abstract
The invention discloses a magnesium-aluminum alloy and a preparation method thereof. The alloy comprises the following components in percentage by mass: 60 to 80 percent of magnesium, 8 to 10 percent of aluminum, 0.5 to 2.0 percent of magnesium, 0.1 to 1.0 percent of lanthanum, 0.1 to 1.0 percent of cerium, 0.05 to 0.5 percent of praseodymium, 0.1 to 1.0 percent of yttrium, 0.1 to 0.5 percent of zinc, 0.5 to 2.0 percent of strontium and 0.001 to 0.5 percent of impurity element. The preparation method comprises the following steps: preparing alloy by using the metal components in a protective atmosphere in a high-temperature furnace, wherein the smelting temperature is 600 to 800 DEG C and the pouring temperature if 650 to 750 DEG C. When the method is used, the composition and manufacturing process of the magnesium-aluminum alloy discloses by the invention are simple, and the preparation process and time consumption are reduced; meanwhile, the tensile strength and coefficient of elongation are increased, and forging production with higher technical requirements can be realized.
Description
Technical field
The present invention relates to the specialty metal field, particularly relate to a kind of magnalium and preparation method thereof.
Background technology
Magnesiumalloy density is little, intensity is high, rigidity is high, and it has good electromagnetic wave shielding and damping performance, and good casting and processing characteristics have obtained application more and more widely at aerospace field.
The mechanical performance index of its tensile strength of existing magnesiumalloy and elongation after fracture is lower, so often can not satisfy the production of this type index high requirement, such as the application of aerospace field.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of magnalium and preparation method thereof, has improved tensile strength and unit elongation, can meet the more forging production of hi-tech requirement.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of magnalium is provided, and the composition of said alloy and mass percent thereof are:
Magnesium 60%～80%
Aluminium 8%～10%
Manganese 0.5%～2.0%
Lanthanum 0.1%～1.0%
Cerium 0.1%～1.0%
Praseodymium 0.05%～0.5%
Yttrium 0.1%～1.0%
Zinc 0.1%～0.5%
Strontium 0.5%～2.0%
Impurity element 0.001%～0.5%.
In preferred embodiment of the present invention, said impurity element comprises silicon, copper, nickel, iron and carbon.
In preferred embodiment of the present invention, the mass percent of said silicon, copper, nickel, iron and carbon is: silicon≤0.25, copper≤0.04, nickel≤0.03, iron≤0.04, carbon≤0.03.
In preferred embodiment of the present invention, a kind of preparation method of magnalium, said preparation process is:
A, according to mass percent, get 8 parts～10 parts in aluminium respectively, 0.5 part～2.0 parts in manganese, 0.1 part～1.0 parts of lanthanums; 0.1 part～1.0 parts of ceriums, 0.05 part～0.5 part of praseodymium, 0.1 part～1.0 parts of yttriums, 0.1 part～0.5 part on zinc; 0.5 part～2.0 parts in strontium, all the other are magnesium, high melt becomes alloy;
B, smelting temperature are 600 ℃～800 ℃, and teeming temperature is 650 ℃～750 ℃, adopt shielding gas in High Temperature Furnaces Heating Apparatus, to be prepared into alloy to each component among a.
In preferred embodiment of the present invention, said shielding gas is for being carbonic acid gas and argon gas, and their mass percent is a carbonic acid gas: argon gas=50-100:1.
The invention has the beneficial effects as follows: magnalium moity of the present invention and ME are simple, have reduced preparation process and time loss, have improved tensile strength and unit elongation simultaneously, can meet the more forging production of hi-tech requirement.
Embodiment
Set forth in detail in the face of preferred embodiment of the present invention down, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
The embodiment of the invention comprises:
A kind of magnalium, the composition of said alloy and mass percent thereof are: magnesium 80%～90%, aluminium 8%～10%; Manganese 0.5%～2.0%, lanthanum 0.1%～1.0%, cerium 0.1%～1.0%; Praseodymium 0.05%～0.5%, yttrium 0.1%～1.0%, zinc 0.1%～0.5%; Strontium 0.5%～2.0%, impurity element 0.001%～0.5%.
Wherein, said impurity element comprises silicon, copper, nickel, iron and carbon.Preferably, the mass percent of silicon, copper, nickel, iron and carbon is: silicon≤0.25, copper≤0.04, nickel≤0.03, iron≤0.04, carbon≤0.03.
A kind of preparation method of magnalium, said preparation process is:
A, according to mass percent, get 8 parts～10 parts in aluminium respectively, 0.5 part～2.0 parts in manganese, 0.1 part～1.0 parts of lanthanums; 0.1 part～1.0 parts of ceriums, 0.05 part～0.5 part of praseodymium, 0.1 part～1.0 parts of yttriums, 0.1 part～0.5 part on zinc; 0.5 part～2.0 parts in strontium, all the other are magnesium, high melt becomes alloy;
B, smelting temperature are 600 ℃～800 ℃, and teeming temperature is 650 ℃～750 ℃, adopt shielding gas in High Temperature Furnaces Heating Apparatus, to be prepared into alloy to each component among a.
Said shielding gas is for being carbonic acid gas and argon gas, and their mass percent is a carbonic acid gas: argon gas=50-100:1.
Adopt specific embodiment that magnalium of the present invention is further explained below:
Silicon≤0.25, copper≤0.04, nickel≤0.03, iron≤0.04, carbon≤0.03.
Embodiment 1
According to mass percent, get 8 parts in aluminium respectively, 0.5 part in manganese, 0.5 part of lanthanum, 0.8 part of cerium; 0.3 part of praseodymium, 0.5 part of yttrium, 0.2 part on zinc, 1.5 parts in strontium, 0.25 part (wherein silicon is 0.15 part for impurity element; 0.03 part of copper, 0.02 part in nickel, 0.04 part of iron, 0.01 part in carbon), 87.5 parts in magnesium; Smelting temperature is 600 ℃, and teeming temperature is 700 ℃, adopts 300 parts of shielding gas carbonic acid gas, and 5 parts of argon gas are prepared into alloy to above-mentioned each component metals in High Temperature Furnaces Heating Apparatus.
Embodiment 2
According to mass percent, get 10 parts in aluminium respectively, 1.5 parts in manganese, 0.6 part of lanthanum, 0.4 part of cerium; 0.5 part of praseodymium, 0.3 part of yttrium, 0.25 part on zinc, 0.75 part in strontium, 0.2 part (wherein silicon is 0.12 part for impurity element; 0.02 part of copper, 0.02 part in nickel, 0.02 part of iron, 0.02 part in carbon), 85.5 parts in magnesium; Smelting temperature is 700 ℃, and teeming temperature is 700 ℃, adopts 200 parts of shielding gas carbonic acid gas, and 3 parts of argon gas are prepared into alloy to above-mentioned each component metals in High Temperature Furnaces Heating Apparatus.
Embodiment 3
According to mass percent, get 9 parts in aluminium respectively, 2 parts in manganese, 0.8 part of lanthanum, 0.2 part of cerium; 0.25 part of praseodymium, 0.8 part of yttrium, 0.2 part on zinc, 1.5 parts in strontium, 0.35 part (wherein silicon is 0.25 part for impurity element; 0.02 part of copper, 0.03 part in nickel, 0.02 part of iron, 0.03 part in carbon), 84.9 parts in magnesium; Smelting temperature is 800 ℃, and teeming temperature is 720 ℃, adopts 500 parts of shielding gas carbonic acid gas, and argon gas=10 part are prepared into alloy to above-mentioned each component metals in High Temperature Furnaces Heating Apparatus.
The beneficial effect of magnalium of the present invention and preparation method thereof is:
Moity and ME are simple, have reduced preparation process and time loss, have improved tensile strength and unit elongation simultaneously, can meet the more forging production of hi-tech requirement.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. a magnalium is characterized in that, the composition of said alloy and mass percent thereof are:
Magnesium 60%～80%
Aluminium 8%～10%
Manganese 0.5%～2.0%
Lanthanum 0.1%～1.0%
Cerium 0.1%～1.0%
Praseodymium 0.05%～0.5%
Yttrium 0.1%～1.0%
Zinc 0.1%～0.5%
Strontium 0.5%～2.0%
Impurity element 0.001%～0.5%.
2. magnalium according to claim 1 is characterized in that said impurity element comprises silicon, copper, nickel, iron and carbon.
3. magnalium according to claim 2 is characterized in that, the mass percent of said silicon, copper, nickel, iron and carbon is: silicon≤0.25, copper≤0.04, nickel≤0.03, iron≤0.04, carbon≤0.03.
4. the preparation method of a magnalium is characterized in that, said preparation process is:
A, according to mass percent, get 8 parts～10 parts in aluminium respectively, 0.5 part～2.0 parts in manganese, 0.1 part～1.0 parts of lanthanums; 0.1 part～1.0 parts of ceriums, 0.05 part～0.5 part of praseodymium, 0.1 part～1.0 parts of yttriums, 0.1 part～0.5 part on zinc; 0.5 part～2.0 parts in strontium, all the other are magnesium, high melt becomes alloy;
B, smelting temperature are 600 ℃～800 ℃, and teeming temperature is 650 ℃～750 ℃, adopt shielding gas in High Temperature Furnaces Heating Apparatus, to be prepared into alloy to each component among a.
5. the preparation method of magnalium according to claim 4 is characterized in that, said shielding gas is for being carbonic acid gas and argon gas, and their mass percent is a carbonic acid gas: argon gas=50-100:1.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039818A (en) * | 2015-07-24 | 2015-11-11 | 苏州金业船用机械厂 | High-damping alloy materials for propeller blade |
| CN106811641A (en) * | 2015-12-01 | 2017-06-09 | 镇江市润州金山金属粉末厂 | A kind of high-strength magnesium al-sr alloy |
| CN107699762A (en) * | 2017-11-06 | 2018-02-16 | 安徽金兰压铸有限公司 | A kind of magnesium alloy and preparation method thereof |
| CN107779711A (en) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | A kind of magnesium alloy stamping parts |
| CN110541100A (en) * | 2019-09-30 | 2019-12-06 | 内蒙古民族大学 | Ultrahigh comprehensive performance deformed rare earth magnesium alloy material and preparation method thereof |
| CN112430768A (en) * | 2020-12-02 | 2021-03-02 | 南昌大学 | Formula and preparation method of high-strength medium-plasticity magnesium alloy |
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| CN1609249A (en) * | 2004-09-17 | 2005-04-27 | 中国科学院上海微系统与信息技术研究所 | High corrosion resistant casting magnesium aluminium alloy and producing process thereof |
| JP2005240129A (en) * | 2004-02-27 | 2005-09-08 | Mitsubishi Alum Co Ltd | Heat resistant magnesium alloy casting |
| CN1865475A (en) * | 2006-06-12 | 2006-11-22 | 陈继忠 | Magnalium and method of manufacturing the same |
| CN101037753A (en) * | 2007-04-19 | 2007-09-19 | 沈阳工业大学 | High-strength heat-proof compression casting magnesium alloy and preparation method thereof |
| JP2007277660A (en) * | 2006-04-10 | 2007-10-25 | Nissan Motor Co Ltd | Magnesium alloy and die cast product |
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2011
- 2011-12-06 CN CN2011103995535A patent/CN102424927A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005240129A (en) * | 2004-02-27 | 2005-09-08 | Mitsubishi Alum Co Ltd | Heat resistant magnesium alloy casting |
| CN1609249A (en) * | 2004-09-17 | 2005-04-27 | 中国科学院上海微系统与信息技术研究所 | High corrosion resistant casting magnesium aluminium alloy and producing process thereof |
| JP2007277660A (en) * | 2006-04-10 | 2007-10-25 | Nissan Motor Co Ltd | Magnesium alloy and die cast product |
| CN1865475A (en) * | 2006-06-12 | 2006-11-22 | 陈继忠 | Magnalium and method of manufacturing the same |
| CN101037753A (en) * | 2007-04-19 | 2007-09-19 | 沈阳工业大学 | High-strength heat-proof compression casting magnesium alloy and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039818A (en) * | 2015-07-24 | 2015-11-11 | 苏州金业船用机械厂 | High-damping alloy materials for propeller blade |
| CN106811641A (en) * | 2015-12-01 | 2017-06-09 | 镇江市润州金山金属粉末厂 | A kind of high-strength magnesium al-sr alloy |
| CN107779711A (en) * | 2016-08-30 | 2018-03-09 | 江苏凤凰木业有限公司 | A kind of magnesium alloy stamping parts |
| CN107699762A (en) * | 2017-11-06 | 2018-02-16 | 安徽金兰压铸有限公司 | A kind of magnesium alloy and preparation method thereof |
| CN110541100A (en) * | 2019-09-30 | 2019-12-06 | 内蒙古民族大学 | Ultrahigh comprehensive performance deformed rare earth magnesium alloy material and preparation method thereof |
| CN112430768A (en) * | 2020-12-02 | 2021-03-02 | 南昌大学 | Formula and preparation method of high-strength medium-plasticity magnesium alloy |
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Application publication date: 20120425 |