CN102400022A - Preparation method of magnesium alloy for housing of electric bicycle instrument panel - Google Patents
Preparation method of magnesium alloy for housing of electric bicycle instrument panel Download PDFInfo
- Publication number
- CN102400022A CN102400022A CN2011103592591A CN201110359259A CN102400022A CN 102400022 A CN102400022 A CN 102400022A CN 2011103592591 A CN2011103592591 A CN 2011103592591A CN 201110359259 A CN201110359259 A CN 201110359259A CN 102400022 A CN102400022 A CN 102400022A
- Authority
- CN
- China
- Prior art keywords
- magnesium
- magnesiumalloy
- magnesium alloy
- preparation
- ingot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims abstract description 11
- 238000005097 cold rolling Methods 0.000 claims abstract description 11
- 239000011777 magnesium Substances 0.000 claims abstract description 11
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 37
- 229910045601 alloy Inorganic materials 0.000 claims description 31
- 239000000956 alloy Substances 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical compound [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 claims description 5
- PGTXKIZLOWULDJ-UHFFFAOYSA-N [Mg].[Zn] Chemical compound [Mg].[Zn] PGTXKIZLOWULDJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- KBMLJKBBKGNETC-UHFFFAOYSA-N magnesium manganese Chemical compound [Mg].[Mn] KBMLJKBBKGNETC-UHFFFAOYSA-N 0.000 claims description 5
- QRNPTSGPQSOPQK-UHFFFAOYSA-N magnesium zirconium Chemical compound [Mg].[Zr] QRNPTSGPQSOPQK-UHFFFAOYSA-N 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007670 refining Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention discloses a preparation method of a magnesium alloy for a housing of an electric bicycle instrument panel. The magnesium alloy comprises the following components in percentage by mass: 1.2-1.8 percent of Al, 0.05-0.1 percent of Si, 0.1-0.4 percent of Mn, 0.2-0.5 percent of Fe, 0.1-0.8 percent of Zn, 0.2-0.3 percent of Zr and the balance of Mg and inevitable impurities. The preparation method disclosed by the invention comprises the steps of: smelting, homogenizing annealing, hot rolling and cold rolling. The magnesium alloy strip material prepared by using the preparation method disclosed by the invention has tensile strength of 190-210MPa, elongation after facture of 8.0-10.0 percent and earing rate of 2-3 percent and can meet stretching, punching and molding requirements of the electric bicycle instrument panel.
Description
Technical field
The present invention relates to the magnesiumalloy field, particularly a kind of electric bicycle panel board shell is with the preparation method of magnesiumalloy.
Background technology
Along with a large amount of of electric bicycle popularize, People more and more is pursued the car body lightweight, improves the aesthetic property of battery performance, increase outward appearance.Traditional panel board is with plastics matter shell preparation, and is cracked through the easy ageing of exposing to the weather, and causes the damage and the outward appearance of panel board not attractive in appearancely, more and more can not satisfy people's demand.Metal shell has the intensive metal-like, can bring beyond challenge visual impact sense, has advantages such as wear-resisting, anticorrosive simultaneously, and extremely the human consumer praises highly.
Magnesiumalloy has many premium propertiess such as light weight is firm, antidetonation noise control, easy casting, so magnesiumalloy is especially suitable for use as thin-gage goods such as shell.Existing about magnesiumalloy being applied to a large amount of reports of communication electronics housing in the prior art, its tensile strength is about 150MPa under this type magnesiumalloy room temperature, elongation after fracture is 3%～8%, earing rate 4%～5%.Such performance is difficult to satisfy the harsh requirement of electric bicycle working conditions, therefore, can not this type magnesiumalloy be directly applied to the panel board of electric bicycle.
And be specifically designed in the magnesiumalloy prior art of panel board of electric bicycle report is not arranged.
Summary of the invention
To the deficiency of prior art, one of the object of the invention is to provide the preparation method of a kind of electric bicycle panel board shell with magnesiumalloy, to solve the existing problem that housing is low with magnesiumalloy tensile strength, elongation after fracture is high, earing rate is high
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is following:
A kind of electric bicycle panel board shell is with the preparation method of magnesiumalloy; Wherein said magnesiumalloy is made up of following component by mass percentage: 1.2%～1.8% Al; 0.05%～0.1% Si, 0.1%～0.4% Mn, 0.2%～0.5% Fe; 0.1%～0.8% Zn, 0.2%～0.3% Zr, surplus is Mg and unavoidable impurities;
Said preparation method carries out as follows:
(1) takes by weighing magnesium silicon master alloy alloy, magnesium manganese master alloy, magnesium iron master alloy, magnesium zinc master alloy, magnesium zirconium master alloy and fine aluminium ingot and pure magnesium ingot respectively by above-mentioned composition; Join in the smelting furnace then; Under 700 ℃～740 ℃ vacuum conditions, be smelted into the magnesiumalloy liquation; Change over to through degasification, refining, after skimming and to leave standstill stove, leave standstill 15min～30min, obtain melted magnesiumalloy liquation; The adjustment teeming temperature is 670～680 ℃ and is cast as magnesium alloy ingot;
(2) magnesium alloy ingot that makes is placed in the equal stove, is heated to 380 ℃～410 ℃ and be incubated 15～20h, carry out homogenizing annealing and handle;
(3) will utilize through the magnesium alloy ingot of anneal and be rolled into the band work in-process on the hot rolls; Said hot-rolling method is: after earlier magnesium alloy ingot being heated to 470 ℃～500 ℃; Utilize hot rolls to carry out split rolling method; Temperature in the operation of rolling is controlled at 380 ℃～420 ℃, when the thickness of magnesium alloy ingot is 5mm～6mm, curls, and obtains the band work in-process
(4) the band work in-process are utilized the band finished product of the cold rolling one-tenth 1.2～1.5mm of cold-rolling mill multi-pass; Between the passage at 420 ℃～430 ℃ and be incubated 1h and carry out process annealing.
Preparing method's of the present invention beneficial effect is:
Magnesium alloy strip tensile strength of the present invention is that 190MPa～210MPa, elongation after fracture are 8.0%～10.0%, earing rate 2%～3%, can satisfy the requirement of electric bicycle panel board stretching punch forming.Electric bicycle panel board shell of the present invention is controlled the per-cent of each element in the alloy through strictness with the preparation method of magnesiumalloy; And handle through homogenizing; Make magnesium alloy strip finished product grain structure evenly, not have the thick and uneven second phase particle, intensity, plasticity and the deep drawability of magnesiumalloy are strengthened.
Embodiment
Embodiment one
A kind of electric bicycle panel board shell is with the preparation method of magnesiumalloy; Wherein said magnesiumalloy is made up of following component by mass percentage: 1.2% Al; 0.1% Si, 0.1% Mn, 0.5% Fe, 0.1% Zn, 0.3% Zr, surplus is Mg and unavoidable impurities;
Said preparation method carries out as follows:
(1) takes by weighing magnesium silicon master alloy alloy, magnesium manganese master alloy, magnesium iron master alloy, magnesium zinc master alloy, magnesium zirconium master alloy and fine aluminium ingot and pure magnesium ingot respectively by above-mentioned composition; Join in the smelting furnace then; Under 700 ℃ of vacuum conditions, be smelted into the magnesiumalloy liquation; Change over to through degasification, refining, after skimming and to leave standstill stove, leave standstill 30min, obtain melted magnesiumalloy liquation; The adjustment teeming temperature is 670 ℃ and is cast as magnesium alloy ingot;
(2) magnesium alloy ingot that makes is placed in the equal stove, is heated to 380 ℃ and be incubated 20h, carry out homogenizing annealing and handle;
(3) will utilize through the magnesium alloy ingot of anneal and be rolled into the band work in-process on the hot rolls; Said hot-rolling method is: after earlier magnesium alloy ingot being heated to 470 ℃, utilize hot rolls to carry out split rolling method, the temperature in the operation of rolling is controlled at 420 ℃, when the thickness of magnesium alloy ingot curls during for 5mm, obtains the band work in-process
(4) the band work in-process are utilized the band finished product of the cold rolling one-tenth of cold-rolling mill multi-pass 1.2mm; Between the passage at 430 ℃ and be incubated 1h and carry out process annealing.
Embodiment two
A kind of electric bicycle panel board shell is with the preparation method of magnesiumalloy; Wherein said magnesiumalloy is made up of following component by mass percentage: 1.8% Al; 0.05% Si, 0.4% Mn, 0.2% Fe, 0.8% Zn, 0.2% Zr, surplus is Mg and unavoidable impurities;
Said preparation method carries out as follows:
(1) takes by weighing magnesium silicon master alloy alloy, magnesium manganese master alloy, magnesium iron master alloy, magnesium zinc master alloy, magnesium zirconium master alloy and fine aluminium ingot and pure magnesium ingot respectively by above-mentioned composition; Join in the smelting furnace then; Under 740 ℃ of vacuum conditions, be smelted into the magnesiumalloy liquation; Change over to through degasification, refining, after skimming and to leave standstill stove, leave standstill 15min, obtain melted magnesiumalloy liquation; The adjustment teeming temperature is 680 ℃ and is cast as magnesium alloy ingot;
(2) magnesium alloy ingot that makes is placed in the equal stove, is heated to 410 ℃ and be incubated 15h, carry out homogenizing annealing and handle;
(3) will utilize through the magnesium alloy ingot of anneal and be rolled into the band work in-process on the hot rolls; Said hot-rolling method is: after earlier magnesium alloy ingot being heated to 500 ℃, utilize hot rolls to carry out split rolling method, the temperature in the operation of rolling is controlled at 380 ℃, when the thickness of magnesium alloy ingot curls during for 6mm, obtains the band work in-process
(4) the band work in-process are utilized the band finished product of the cold rolling one-tenth of cold-rolling mill multi-pass 1.5mm; Between the passage at 420 ℃ and be incubated 1h and carry out process annealing.
Embodiment three
A kind of electric bicycle panel board shell is with the preparation method of magnesiumalloy; Wherein said magnesiumalloy is made up of following component by mass percentage: 1.5% Al; 0.07% Si, 0.25% Mn, 0.35% Fe, 0.5% Zn, 0.25% Zr, surplus is Mg and unavoidable impurities;
Said preparation method carries out as follows:
(1) takes by weighing magnesium silicon master alloy alloy, magnesium manganese master alloy, magnesium iron master alloy, magnesium zinc master alloy, magnesium zirconium master alloy and fine aluminium ingot and pure magnesium ingot respectively by above-mentioned composition; Join in the smelting furnace then; Under 720 ℃ of vacuum conditions, be smelted into the magnesiumalloy liquation; Change over to through degasification, refining, after skimming and to leave standstill stove, leave standstill 25min, obtain melted magnesiumalloy liquation; The adjustment teeming temperature is 675 ℃ and is cast as magnesium alloy ingot;
(2) magnesium alloy ingot that makes is placed in the equal stove, is heated to 395 ℃ and be incubated 18h, carry out homogenizing annealing and handle;
(3) will utilize through the magnesium alloy ingot of anneal and be rolled into the band work in-process on the hot rolls; Said hot-rolling method is: after earlier magnesium alloy ingot being heated to 485 ℃, utilize hot rolls to carry out split rolling method, the temperature in the operation of rolling is controlled at 340 ℃, when the thickness of magnesium alloy ingot curls during for 5.5mm, obtains the band work in-process
(4) the band work in-process are utilized the band finished product of the cold rolling one-tenth of cold-rolling mill multi-pass 1.3mm; Between the passage at 425 ℃ and be incubated 1h and carry out process annealing.
Applicant's statement; The present invention explains detailed process equipment of the present invention and technical process through the foregoing description; But the present invention is not limited to above-mentioned detailed process equipment and technical process, does not mean that promptly the present invention must rely on above-mentioned detailed process equipment and technical process could be implemented.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (1)
1. an electric bicycle panel board shell is with the preparation method of magnesiumalloy; It is characterized in that; Wherein said magnesiumalloy is made up of following component by mass percentage: 1.2%～1.8% Al; 0.05%～0.1% Si, 0.1%～0.4% Mn, 0.2%～0.5% Fe, 0.1%～0.8% Zn, 0.2%～0.3% Zr, surplus is Mg and unavoidable impurities;
Said preparation method carries out as follows:
(1) takes by weighing magnesium silicon master alloy alloy, magnesium manganese master alloy, magnesium iron master alloy, magnesium zinc master alloy, magnesium zirconium master alloy and fine aluminium ingot and pure magnesium ingot respectively by above-mentioned composition; Join in the smelting furnace then; Under 700 ℃～740 ℃ vacuum conditions, be smelted into the magnesiumalloy liquation; Change over to through degasification, refining, after skimming and to leave standstill stove, leave standstill 15min～30min, obtain melted magnesiumalloy liquation; The adjustment teeming temperature is 670～680 ℃ and is cast as magnesium alloy ingot;
(2) magnesium alloy ingot that makes is placed in the equal stove, is heated to 380 ℃～410 ℃ and be incubated 15～20h, carry out homogenizing annealing and handle;
(3) will utilize through the magnesium alloy ingot of anneal and be rolled into the band work in-process on the hot rolls; Said hot-rolling method is: after earlier magnesium alloy ingot being heated to 470 ℃～500 ℃; Utilize hot rolls to carry out split rolling method; Temperature in the operation of rolling is controlled at 380 ℃～420 ℃, when the thickness of magnesium alloy ingot is 5mm～6mm, curls, and obtains the band work in-process
(4) the band work in-process are utilized the band finished product of the cold rolling one-tenth 1.2～1.5mm of cold-rolling mill multi-pass; Between the passage at 420 ℃～430 ℃ and be incubated 1h and carry out process annealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359259.1A CN102400022B (en) | 2011-11-14 | 2011-11-14 | A kind of preparation method of magnesium alloy for housing of electric bicycle instrument panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359259.1A CN102400022B (en) | 2011-11-14 | 2011-11-14 | A kind of preparation method of magnesium alloy for housing of electric bicycle instrument panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102400022A true CN102400022A (en) | 2012-04-04 |
| CN102400022B CN102400022B (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110359259.1A Expired - Fee Related CN102400022B (en) | 2011-11-14 | 2011-11-14 | A kind of preparation method of magnesium alloy for housing of electric bicycle instrument panel |
Country Status (1)
| Country | Link |
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| CN (1) | CN102400022B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290288A (en) * | 2013-06-26 | 2013-09-11 | 重庆大学 | Low-cost and high-ductility wrought magnesium alloy and preparation method thereof |
| CN104554485A (en) * | 2014-12-22 | 2015-04-29 | 芜湖福司精密模具有限公司 | Manufacturing method of cross beam of automobile instrument panel |
| CN104831200A (en) * | 2015-06-02 | 2015-08-12 | 山东珠峰车业有限公司 | Motor shell for oil-electricity hybrid three-wheeled vehicles and preparation process of motor shell |
| CN105543602A (en) * | 2016-01-29 | 2016-05-04 | 张颖 | Method for preparing magnesium alloy smart phone shell electroplating copper on surface |
| RU2598424C1 (en) * | 2015-06-03 | 2016-09-27 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") | Method of processing magnesium alloys |
| CN106244877A (en) * | 2016-06-08 | 2016-12-21 | 南阳师范学院 | A kind of handset shell magnesium alloy materials and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695885A (en) * | 2005-05-20 | 2005-11-16 | 东北轻合金有限责任公司 | Method for manufacturing extruded bar from magnesium alloy |
| CN1817730A (en) * | 2006-02-17 | 2006-08-16 | 于克儒 | Production of frame tube of bicycle with magnesium alloy, frame tube and frame |
-
2011
- 2011-11-14 CN CN201110359259.1A patent/CN102400022B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695885A (en) * | 2005-05-20 | 2005-11-16 | 东北轻合金有限责任公司 | Method for manufacturing extruded bar from magnesium alloy |
| CN1817730A (en) * | 2006-02-17 | 2006-08-16 | 于克儒 | Production of frame tube of bicycle with magnesium alloy, frame tube and frame |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290288A (en) * | 2013-06-26 | 2013-09-11 | 重庆大学 | Low-cost and high-ductility wrought magnesium alloy and preparation method thereof |
| CN103290288B (en) * | 2013-06-26 | 2015-10-07 | 重庆大学 | A kind of low cost high-ductility wrought magnesium alloy and preparation method thereof |
| CN104554485A (en) * | 2014-12-22 | 2015-04-29 | 芜湖福司精密模具有限公司 | Manufacturing method of cross beam of automobile instrument panel |
| CN104831200A (en) * | 2015-06-02 | 2015-08-12 | 山东珠峰车业有限公司 | Motor shell for oil-electricity hybrid three-wheeled vehicles and preparation process of motor shell |
| RU2598424C1 (en) * | 2015-06-03 | 2016-09-27 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") | Method of processing magnesium alloys |
| CN105543602A (en) * | 2016-01-29 | 2016-05-04 | 张颖 | Method for preparing magnesium alloy smart phone shell electroplating copper on surface |
| CN106244877A (en) * | 2016-06-08 | 2016-12-21 | 南阳师范学院 | A kind of handset shell magnesium alloy materials and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102400022B (en) | 2016-09-14 |
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Effective date of registration: 20160321 Address after: Lake Town, Xishan District People's road 214000 Jiangsu city of Wuxi province and red Ju Wei Village No. 100 Applicant after: Hua Wenwei Address before: 338-401 room 214177, Changning yuan, Huishan Economic Development Zone, Wuxi, Jiangsu Applicant before: Zhou Tao |
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Inventor after: Chen Jun Inventor before: Zhou Tao |
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