CN104480362A - Method for preparing high-tenacity magnesium alloy - Google Patents
Method for preparing high-tenacity magnesium alloy Download PDFInfo
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- CN104480362A CN104480362A CN201410769313.3A CN201410769313A CN104480362A CN 104480362 A CN104480362 A CN 104480362A CN 201410769313 A CN201410769313 A CN 201410769313A CN 104480362 A CN104480362 A CN 104480362A
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Abstract
The invention discloses a method for preparing a high-tenacity magnesium alloy. The magnesium alloy comprises the following components in percentage by mass: 0.4% of Al, 3.2% of La, 2.4% of Y, 1.6% of B, 0.7% of Sr, and the balance of Mg and impurities. The preparation method comprises the following steps: 1) preheating pure magnesium, Mg-Al alloy, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy at 205 DEG C for 40 minutes; 2) putting the preheated pure magnesium into a smelting furnace, introducing a protective atmosphere, and heating and smelting the pure magnesium, so as to obtain pure magnesium melt; 3) heating the pure magnesium melt to 815 DEG C, and adding the preheated Mg-Al alloy, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy, fully smelting, stirring and mixing evenly, removing surface dross, so as to obtain a mixed melt; and 4) standing and cooling the mixed melt to 525 DEG C, and carrying out pressure casting, so as to obtain the product. The magnesium alloy prepared by the method has high strength and high tenacity, and simultaneously has excellent casting property.
Description
Technical field
The present invention relates to the method for the preparation of high-toughness magnesium alloy.
Background technology
The impact-resistant product of thin-walled many uses magnesium alloy, but the intensity of existing magnesium alloy, toughness, castability all have much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of method for the preparation of high-toughness magnesium alloy, its magnesium alloy prepared has high strength and high tenacity, has excellent castability simultaneously, is applicable to the impact-resistant product of thin-walled.
For achieving the above object, technical scheme of the present invention is a kind of method for the preparation of high-toughness magnesium alloy of design, and the composition of this magnesium alloy and mass percent are:
Al：0.4%，
La：3.2%，
Y：2.4%，
B：1.6%，
Sr：0.7%，
Surplus is Mg and inevitable impurity;
Preparation method comprises the steps:
1) by pure magnesium, Mg-Al alloy, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy at 205 DEG C of preheating 40min;
2) inserted in smelting furnace by the pure magnesium after preheating, and pass into protective atmosphere, heating makes pure magnesium melt, and obtains pure Serum Magnesium;
3) pure Serum Magnesium is warming up to 815 DEG C, and adds the Mg-Al alloy after preheating, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy, fully melt, be uniformly mixed, and remove surface scum, obtain blend melt;
4) be cooled to 525 DEG C by standing for blend melt body, carry out die casting, obtain magnesium-alloy material.
Advantage of the present invention and beneficial effect are: provide a kind of method for the preparation of high-toughness magnesium alloy, and its magnesium alloy prepared has high strength and high tenacity, has excellent castability simultaneously, are applicable to the impact-resistant product of thin-walled.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The technical scheme that the present invention specifically implements is:
For the preparation of a method for high-toughness magnesium alloy, the composition of this magnesium alloy and mass percent are:
Al：0.4%，
La：3.2%，
Y：2.4%，
B：1.6%，
Sr：0.7%，
Surplus is Mg and inevitable impurity;
Preparation method comprises the steps:
1) by pure magnesium, Mg-Al alloy, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy at 205 DEG C of preheating 40min;
2) inserted in smelting furnace by the pure magnesium after preheating, and pass into protective atmosphere, heating makes pure magnesium melt, and obtains pure Serum Magnesium;
3) pure Serum Magnesium is warming up to 815 DEG C, and adds the Mg-Al alloy after preheating, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy, fully melt, be uniformly mixed, and remove surface scum, obtain blend melt;
4) be cooled to 525 DEG C by standing for blend melt body, carry out die casting, obtain magnesium-alloy material.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. for the preparation of the method for high-toughness magnesium alloy, it is characterized in that, the composition of this magnesium alloy and mass percent are:
Al：0.4%，
La：3.2%，
Y：2.4%，
B：1.6%，
Sr：0.7%，
Surplus is Mg and inevitable impurity;
Preparation method comprises the steps:
1) by pure magnesium, Mg-Al alloy, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy at 205 DEG C of preheating 40min;
2) inserted in smelting furnace by the pure magnesium after preheating, and pass into protective atmosphere, heating makes pure magnesium melt, and obtains pure Serum Magnesium;
3) pure Serum Magnesium is warming up to 815 DEG C, and adds the Mg-Al alloy after preheating, Mg-La alloy, Mg-Y alloy, Mg-B alloy and Mg-Sr alloy, fully melt, be uniformly mixed, and remove surface scum, obtain blend melt;
4) be cooled to 525 DEG C by standing for blend melt body, carry out die casting, obtain magnesium-alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769313.3A CN104480362A (en) | 2014-12-15 | 2014-12-15 | Method for preparing high-tenacity magnesium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769313.3A CN104480362A (en) | 2014-12-15 | 2014-12-15 | Method for preparing high-tenacity magnesium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104480362A true CN104480362A (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410769313.3A Pending CN104480362A (en) | 2014-12-15 | 2014-12-15 | Method for preparing high-tenacity magnesium alloy |
Country Status (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006095999A1 (en) * | 2005-03-08 | 2006-09-14 | Dong-Hyun Bae | Mg alloys containing misch metal, manufacturing method of wrought mg alloys containing misch metal, and wrought mg alloys thereby |
| CN104073702A (en) * | 2014-07-02 | 2014-10-01 | 中国科学院长春应用化学研究所 | Rear-earth magnesium alloy and preparation method thereof |
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2014
- 2014-12-15 CN CN201410769313.3A patent/CN104480362A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006095999A1 (en) * | 2005-03-08 | 2006-09-14 | Dong-Hyun Bae | Mg alloys containing misch metal, manufacturing method of wrought mg alloys containing misch metal, and wrought mg alloys thereby |
| CN104073702A (en) * | 2014-07-02 | 2014-10-01 | 中国科学院长春应用化学研究所 | Rear-earth magnesium alloy and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 代丽: "稀土元素 Y 和 Gd 对 Mg-Al 系压铸镁合金组织和性能的影响", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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Effective date of registration: 20161011 Address after: 215000 New Lane Village, Lake Town, Suzhou, Jiangsu, Changshou City Applicant after: Changshu poly Precision Casting Co., Ltd. Address before: 215500, 6, Weng Zhuang Road, Weng Jia Zhuang Industrial Park, Shang Hu Town, Suzhou, Jiangsu, Changshou City Applicant before: SUZHOU HAOZHUO NEW MATERIAL CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
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