CN107604226A - Magnesium alloys and its preparation technology for magnesium alloy hub - Google Patents
Magnesium alloys and its preparation technology for magnesium alloy hub Download PDFInfo
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- CN107604226A CN107604226A CN201710941589.9A CN201710941589A CN107604226A CN 107604226 A CN107604226 A CN 107604226A CN 201710941589 A CN201710941589 A CN 201710941589A CN 107604226 A CN107604226 A CN 107604226A
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Abstract
The invention discloses a kind of magnesium alloys for magnesium alloy hub, and it is following components composition by mass percentage：Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Inevitable impurity≤0.10%；Remaining is magnesium.The invention also discloses a kind of preparation technology of the magnesium alloys for magnesium alloy hub, it uses following components by mass percentage to prepare magnesium alloy：Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Remaining is magnesium.Weight rare earth component is with the addition of in magnesium alloys of the present invention, melt has been purified, has reduced impurity, has changed the second phase in alloy, so as to substantially increase the intensity of alloy, toughness and decay resistance, tearing tendency during magnesium alloy hub hot-working is reduced.
Description
Technical field
The present invention relates to alloy technology, more particularly to a kind of magnesium alloys and its preparation work for magnesium alloy hub
Skill.
Background technology
Magnesium because its is in light weight, energy-conservation, it is recyclable the advantages that, be described as the green engineering material of 21 century.But because its is strong
Degree deficiency, heat-resistant creep-resistant and high-temperature service poor performance, it is big in Aero-Space and auto industry to constrain magnesium alloy component
Sizable application.Research and development have the high-performance magnesium-alloy of independent intellectual property right, the application for expanding magnesium alloy, improve Chinese automobile work
The technology content and class of industry product, the technical level of Chinese Smelting magnesium industry is lifted, autonomous advanced magnesium alloyses material of grasping is ground
The core technology of hair is significant.Therefore, it is necessary to develop a kind of more excellent magnesium alloy of mechanical property and its preparation technology.
The content of the invention
For above-mentioned technical problem, the present invention has designed and developed a kind of high intensity, high tenacity, strong corrosion resistant and has been used for magnesium
The magnesium alloys of alloy wheel hub.
In addition, the present invention has also designed and developed a kind of preparation technology of the magnesium alloys for magnesium alloy hub, it is made
It is standby go out high intensity, high tenacity, the magnesium alloy of strong corrosion resistant.
Technical scheme provided by the invention is：
A kind of magnesium alloys for magnesium alloy hub, it is following components composition by mass percentage：Zinc 0.8
~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Inevitable impurity≤0.10%；Remaining
For magnesium.
Preferably, the described magnesium alloys for magnesium alloy hub, it is by mass percentage with the following group
It is grouped into：Zinc 1.21%；Aluminium 8.2%；Cerium 0.62%；Yttrium 0.34%；Inevitable impurity≤0.10%；Remaining is magnesium.
A kind of preparation technology of magnesium alloys for magnesium alloy hub, its use by mass percentage with the following group
Divide and prepare magnesium alloy：
Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Remaining is magnesium.
Preferably, the preparation technology of the described magnesium alloys for magnesium alloy hub, it is used by quality percentage
Following components than meter prepares magnesium alloy：
Zinc 1.21%；Aluminium 8.2%；Cerium 0.62%；Yttrium 0.34%；Remaining is magnesium.
Preferably, the preparation technology of the described magnesium alloys for magnesium alloy hub, including：
Step 1: fusing：Magnesium ingot is melted；
Step 2: alloying：It is warming up to 660~670 DEG C and adds aluminium, zinc and yttrium, is warming up to 740~760 DEG C of addition ceriums；
Step 3: refining：735~740 DEG C, refined using PFD anaerobics；
Step 4: casting：695~705 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 5: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Preferably,, will in the step 1 in the preparation technology of the described magnesium alloys for magnesium alloy hub
Magnesium ingot, which is placed in iron ware, to be melted, and fusion process is using mixed gas protected.
Preferably, in the preparation technology of the described magnesium alloys for magnesium alloy hub, in the step 2, close
Aurification process uses automatic stirring alloy melt.
Weight rare earth component is with the addition of in magnesium alloys of the present invention, has purified melt, reduces impurity, is changed
The second phase in alloy, so as to substantially increasing the intensity of alloy, toughness and decay resistance, reduce magnesium alloy hub heat
Tearing tendency during processing.
The preparation technology of magnesium alloys of the present invention for magnesium alloy hub employs gently in alloy raw material
Heavy rare earth component, improves the intensity, toughness and rotproofness of magnesium alloy hub, while improves magnesium alloy hub and produced in process
The problems such as crackle is treated, improve magnesium alloy hub performance.
Embodiment
The present invention is described in further detail below, to make those skilled in the art being capable of evidence with reference to specification word
To implement.
The present invention provides a kind of magnesium alloys for magnesium alloy hub, and it is following components by mass percentage
Composition：Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Inevitable impurity≤
0.10%；Remaining is magnesium.
Weight rare earth component is with the addition of in magnesium alloys of the present invention, has purified melt, reduces impurity, is changed
The second phase in alloy, so as to substantially increasing the intensity of alloy, toughness and decay resistance, reduce magnesium alloy hub heat
Tearing tendency during processing.
The bar prepared using magnesium alloy of the present invention, its room temperature tensile properties are：Tensile strength is σbReach
322MPa, yield strength σ0.2Reach 248MPa, elongation percentage δ reaches 15%.
In a preferred embodiment, the described magnesium alloys for magnesium alloy hub, it is by quality percentage
Following components than meter forms：Zinc 1.21%；Aluminium 8.2%；Cerium 0.62%；Yttrium 0.34%；Inevitable impurity≤0.10%；
Remaining is magnesium.
Present invention also offers a kind of preparation technology of the magnesium alloys for magnesium alloy hub, it is used by quality hundred
The following components than meter is divided to prepare magnesium alloy：Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~
0.53% zinc 0.8~1.5%；Aluminium 7.8~8.3%；Cerium 0.5~1.2%；Yttrium 0.2~0.5%；Remaining is magnesium.
Weight rare earth component is with the addition of in magnesium alloys of the present invention, has purified melt, reduces impurity, is changed
The second phase in alloy, so as to substantially increasing the intensity of alloy, toughness and decay resistance, reduce magnesium alloy hub heat
Tearing tendency during processing.
It is prepared to magnesium alloy in impurity be by impurity contained in feed components and in preparation process
The a small amount of impurity formed.
The bar prepared using magnesium alloy of the present invention, its room temperature tensile properties are：Tensile strength is σbReach
322MPa, yield strength σ0.2Reach 248MPa, elongation percentage δ reaches 15%.
In a preferred embodiment, the preparation technology of the described magnesium alloys for magnesium alloy hub, it is adopted
Magnesium alloy is prepared with following components by mass percentage：Zinc 1.2%；Aluminium 8%；Cerium 0.60%；Yttrium 0.30%；Remaining is
Magnesium.
In a preferred embodiment, the preparation technology of the described magnesium alloys for magnesium alloy hub, including：
Step 1: fusing：Magnesium ingot is melted；
Step 2: alloying：It is warming up to 660~670 DEG C and adds aluminium, zinc and yttrium, is warming up to 740~760 DEG C of addition ceriums；
Step 3: refining：735~740 DEG C, refined using PFD anaerobics；
Step 4: casting：695~705 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 5: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Preparation process of the present invention is simple, has industrial application value so that existing industrial condition is with regard to energy
Directly produce high-strength deformation magnesium-rare earth.Extruding in general industryization, rolling, forging etc. can just become in deformation processing equipment
Shape is processed, and has the advantage that technique is simple and convenient to operate and cost is low.
In a preferred embodiment, in the preparation technology of the described magnesium alloys for magnesium alloy hub, institute
State in step 1, magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected.Mixed gas can be to magnesium
Melt is protected, and avoids it from aoxidizing.
In a preferred embodiment, in the preparation technology of the described magnesium alloys for magnesium alloy hub, institute
State in step 2, alloying process uses automatic stirring alloy melt, so as to promote each component in alloy uniformly to mix, ensures system
For the magnesium alloy balanced composition gone out.
In a preferred embodiment, in the preparation technology of the described magnesium alloys for magnesium alloy hub, institute
State in step 3, refining process is refined using anaerobic.Anaerobic refining can avoid oxygen to magnesium, alumina.
Following examples are now provided, so that technical scheme to be described further.
Embodiment one
Step 1: choose raw material：Magnesium alloy is prepared using following components by mass percentage：Zinc 1.21%；Aluminium
8.2%；Cerium 0.62%；Yttrium 0.34%；Remaining is magnesium；
Step 2: fusing：Magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected；
Step 3: alloying：It is warming up to 660 DEG C and adds aluminium, zinc and yttrium, 740 DEG C of addition ceriums is warming up to, using automatic stirring
Alloy melt；
Step 4: refining：735 DEG C, refined using PFD anaerobics；
Step 4: casting：695 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 5: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Embodiment two
Step 1: choose raw material：Magnesium alloy is prepared using following components by mass percentage：Zinc 0.8%；Aluminium
7.8%；Cerium 0.5%；Yttrium 0.2%；Remaining is magnesium；
Step 2: fusing：Magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected；
Step 3: alloying：It is warming up to 660 DEG C and adds aluminium, zinc and yttrium, 740 DEG C of addition ceriums is warming up to, using automatic stirring
Alloy melt；
Step 4: refining：740 DEG C, refined using PFD anaerobics；
Step 5: casting：705 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 6: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Embodiment three
Step 1: choose raw material：Magnesium alloy is prepared using following components by mass percentage：Zinc 1.53%；Aluminium
8.5%；Cerium 1.25%；Yttrium 0.53%；Remaining is magnesium；
Step 2: fusing：Magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected；
Step 3: alloying：It is warming up to 670 DEG C and adds aluminium, zinc and yttrium, 760 DEG C of addition ceriums is warming up to, using automatic stirring
Alloy melt；
Step 4: refining：735 DEG C, refined using PFD anaerobics；
Step 5: casting：695 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 6: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Example IV
Step 1: choose raw material：Magnesium alloy is prepared using following components by mass percentage：Zinc 0.9%；Aluminium
7.9%；Cerium 1.1%；Yttrium 0.2%；Remaining is magnesium；
Step 2: fusing：Magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected；
Step 3: alloying：It is warming up to 660 DEG C and adds aluminium, zinc and yttrium, 750 DEG C of addition ceriums is warming up to, using automatic stirring
Alloy melt；
Step 4: refining：735 DEG C, refined using PFD anaerobics；
Step 5: casting：695 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 6: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
Embodiment five
Step 1: choose raw material：Magnesium alloy is prepared using following components by mass percentage：Zinc 1.2%；Aluminium
8.1%；Cerium 0.7%；Yttrium 0.4%；Remaining is magnesium；
Step 2: fusing：Magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected；
Step 3: alloying：It is warming up to 670 DEG C and adds aluminium, zinc and yttrium, 750 DEG C of addition ceriums is warming up to, using automatic stirring
Alloy melt；
Step 4: refining：738 DEG C, refined using PFD anaerobics；
Step 5: casting：700 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 6: fixation rates：Solution treatment 2 hours at 420 DEG C, Ageing Treatment 16 is small at 180 DEG C afterwards
When.
The room temperature tensile properties that magnesium alloy materials prepared by embodiment one to embodiment five prepare bar are shown in Table 1.
The embodiment one of table 1 prepares the room temperature tensile properties of bar to the magnesium alloy materials prepared by embodiment five
| Tensile strength sigmab(MPa) | Yield strength σ0.2(MPa) | Elongation percentage δ (%) | |
| Embodiment one | 322 | 248 | 15 |
| Embodiment two | 323 | 249 | 15 |
| Embodiment three | 322 | 250 | 15 |
| Example IV | 325 | 248 | 15 |
| Embodiment five | 322 | 251 | 15 |
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (7)
1. a kind of magnesium alloys for magnesium alloy hub, it is characterised in that it is following components by mass percentage
Composition：Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Inevitable impurity≤
0.10%；Remaining is magnesium.
2. it is used for the magnesium alloys of magnesium alloy hub as claimed in claim 1, it is characterised in that it is by mass percentage
The following components composition of meter：Zinc 1.21%；Aluminium 8.2%；Cerium 0.62%；Yttrium 0.34%；Inevitable impurity≤0.10%；Its
Remaining is magnesium.
3. the preparation technology of a kind of magnesium alloys for magnesium alloy hub, it is characterised in that it is used by mass percentage
The following components of meter prepares magnesium alloy：
Zinc 0.8~1.53%；Aluminium 7.8~8.5%；Cerium 0.5~1.25%；Yttrium 0.2~0.53%；Remaining is magnesium.
4. it is used for the preparation technology of the magnesium alloys of magnesium alloy hub as claimed in claim 3, it is characterised in that it is used
Following components by mass percentage prepares magnesium alloy：
Zinc 1.21%；Aluminium 8.2%；Cerium 0.62%；Yttrium 0.34%；Remaining is magnesium.
5. the preparation technology of the magnesium alloys for magnesium alloy hub as described in claim 3 or 4, it is characterised in that bag
Include：
Step 1: fusing：Magnesium ingot is melted；
Step 2: alloying：It is warming up to 660~670 DEG C and adds aluminium, zinc and yttrium, is warming up to 740~760 DEG C of addition ceriums；
Step 3: refining：735~740 DEG C, refined using PFD anaerobics；
Step 4: casting：695~705 DEG C are cooled to, is cast using intermediate frequency electromagnetic；
Step 5: fixation rates：Solution treatment 2 hours at 420 DEG C, afterwards Ageing Treatment 16 hours at 180 DEG C.
6. it is used for the preparation technology of the magnesium alloys of magnesium alloy hub as claimed in claim 5, it is characterised in that the step
In rapid one, magnesium ingot is placed in iron ware and melted, fusion process is using mixed gas protected.
7. it is used for the preparation technology of the magnesium alloys of magnesium alloy hub as claimed in claim 5, it is characterised in that the step
In rapid two, alloying process uses automatic stirring alloy melt.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331320A (en) * | 2019-07-29 | 2019-10-15 | 内蒙古中钰镁合金锻造轮毂有限公司 | A kind of corrosion resistant magnesium alloy hub resistant to high temperatures and preparation method thereof |
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| WO1991013181A1 (en) * | 1990-02-20 | 1991-09-05 | Allied-Signal Inc. | Method for superplastic forming of rapidly solidified magnesium base metal alloys |
| CN101137762A (en) * | 2005-03-08 | 2008-03-05 | 裵东炫 | Mg alloys containing misch metal, manufacturing method of wrought mg alloys containing misch metal, and wrought mg alloys thereby |
| JP2008069418A (en) * | 2006-09-14 | 2008-03-27 | Kumamoto Univ | High strength magnesium alloy with excellent corrosion resistance |
| CN102747259A (en) * | 2011-04-19 | 2012-10-24 | 富准精密工业(深圳)有限公司 | Magnesium alloy and preparation method thereof |
| CN105220045A (en) * | 2014-06-27 | 2016-01-06 | 朱丽兰 | A kind of AZ91 magnesium alloy and preparation technology thereof adding Rare Earth Y or Ce |
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2017
- 2017-10-11 CN CN201710941589.9A patent/CN107604226A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013181A1 (en) * | 1990-02-20 | 1991-09-05 | Allied-Signal Inc. | Method for superplastic forming of rapidly solidified magnesium base metal alloys |
| CN101137762A (en) * | 2005-03-08 | 2008-03-05 | 裵东炫 | Mg alloys containing misch metal, manufacturing method of wrought mg alloys containing misch metal, and wrought mg alloys thereby |
| JP2008069418A (en) * | 2006-09-14 | 2008-03-27 | Kumamoto Univ | High strength magnesium alloy with excellent corrosion resistance |
| CN102747259A (en) * | 2011-04-19 | 2012-10-24 | 富准精密工业(深圳)有限公司 | Magnesium alloy and preparation method thereof |
| CN105220045A (en) * | 2014-06-27 | 2016-01-06 | 朱丽兰 | A kind of AZ91 magnesium alloy and preparation technology thereof adding Rare Earth Y or Ce |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331320A (en) * | 2019-07-29 | 2019-10-15 | 内蒙古中钰镁合金锻造轮毂有限公司 | A kind of corrosion resistant magnesium alloy hub resistant to high temperatures and preparation method thereof |
| CN110331320B (en) * | 2019-07-29 | 2021-02-19 | 内蒙古中钰镁合金锻造轮毂有限公司 | Corrosion-resistant and high-temperature-resistant magnesium alloy hub and preparation method thereof |
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Application publication date: 20180119 |