CN101653778B - Warm-rolling manufacture method for magnesium or magnesium alloy sheet - Google Patents
Warm-rolling manufacture method for magnesium or magnesium alloy sheet Download PDFInfo
- Publication number
- CN101653778B CN101653778B CN2009103079245A CN200910307924A CN101653778B CN 101653778 B CN101653778 B CN 101653778B CN 2009103079245 A CN2009103079245 A CN 2009103079245A CN 200910307924 A CN200910307924 A CN 200910307924A CN 101653778 B CN101653778 B CN 101653778B
- Authority
- CN
- China
- Prior art keywords
- rolling
- passage
- magnesium alloy
- magnesium
- alloy sheet
- 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.)
- Expired - Fee Related
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 114
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title description 35
- 239000011777 magnesium Substances 0.000 title description 35
- 229910052749 magnesium Inorganic materials 0.000 title description 34
- 238000005098 hot rolling Methods 0.000 claims abstract description 11
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Metal Rolling (AREA)
Abstract
The invention discloses a warm-rolling manufacture method for a magnesium alloy sheet and relates to a manufacture method of a sheet. The invention solves the problem of low yield of the magnesium alloy sheet produced by the prior hot-rolling process of the magnesium alloy sheet. The method comprises the following steps: hot-rolling a magnesium alloy casting ingot to manufacture a sheet blank with thickness of 4mm; then rolling the sheet blank for four or five steps and gradually reducing the rolling temperature to obtain the magnesium alloy sheet. The method has high yield more than 70 percent and can realize the continuous production of the magnesium alloy sheet.
Description
Technical field
The present invention relates to a kind of manufacturing approach of thin plate.
Background technology
As everyone knows, magnesium and magnesium alloy be light weight not only, and has the intensity close with aluminium alloy, particularly has good capability of electromagnetic shielding; Be used for notebook, mobile phone, digital camera and counter body; Can carry out electromagnetic protection, guarantee health, be well received.Particularly more and more at current household electrical appliance, like refrigerator, washing machine, television set, micro-wave oven, electric heater etc., be the necessary daily necessitiess of people, make human survival in the environment of electromagnetic radiation.Manufacture the housing of household electrical appliance with magnesium alloy substituted for plastic and other metal material, better electromagnetic protection effect is arranged, so magnesium or magnesium alloy sheet future market prospect are very extensively.
Magnesium or magnesium alloy sheet are meant that thickness is less than the thick sheet material of 2.0mm; Existing magnesium or magnesium alloy sheet adopt method cold rolling under the room temperature to make more, and the passage in the making is rolled to measure down and is merely 5%, the middle need through repeatedly annealing; And accumulation cold deformation amount is easy to crack above 15% transfiguration between twice annealing; Make that accumulation cold deformation amount is difficult to surpass 15% between twice annealing, therefore the yield rate of this preparation method is extremely low, is merely about 30%; Can't carry out large-scale production, limit the use of magnesium and magnesium alloy sheet greatly.
Summary of the invention
The present invention has magnesium and the low problem of magnesium alloy sheet yield rate that magnesium alloy sheet hot rolling technology obtains now in order to solve, and magnesium or magnesium alloy sheet warm-rolling manufacture method are provided.
The manufacturing approach of magnesium of the present invention or magnesium alloy sheet is carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with four passages of the slab rolling in the step 1; The rolling temperature of first passage is 250 ℃, and amount is that the rolling temperature of 40%～50%, second passage is 240～230 ℃ under the rolling of first passage; Amount is 30%～50% under the rolling of second passage; The rolling temperature of the 3rd passage is 220～210 ℃, and amount is that the rolling temperature of the 30%～50%, four passage is 210～200 ℃ under the rolling of the 3rd passage; Amount is 40%～50% under the rolling of the 4th passage, promptly obtains magnesium or magnesium alloy sheet.
The manufacturing approach of magnesium of the present invention or magnesium alloy sheet can also be carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with five passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 40%～50% under the rolling of first passage; The rolling temperature of second passage is 240～230 ℃, and amount is that the rolling temperature of the 30%～50%, three passage is 220～210 ℃ under the rolling of second passage; Amount is 30%～50% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 210～200 ℃, and amount is that the rolling temperature of the 30%～50%, five passage is 160～150 ℃ under the rolling of the 4th passage; Amount is 30%～50% under the rolling of the 5th passage, promptly obtains magnesium or magnesium alloy sheet.
The inventive method adopts in 250 ℃～150 ℃ scopes carry out warm-rolling system, and rolling pass is four or five passages, along with rolling pass increases; The sheet material attenuation, rolling temperature progressively reduces simultaneously, helps guaranteeing the flatness of sheet material; Method lumber recovery of the present invention can reach more than 70%; Very high production efficiency is arranged, can reduce manufacturing cost significantly like this, can realize the continuous production of magnesium and magnesium alloy sheet.
The specific embodiment
Technical approach of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: the manufacturing approach of this embodiment magnesium or magnesium alloy sheet is carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with four passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 40%～50% under the rolling of first passage; The rolling temperature of second passage is 240～230 ℃, and amount is 30%～50% under rolling, and the rolling temperature of the 3rd passage is 220～210 ℃; Amount is 30%～50% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 200～160 ℃, and amount is 40%～50% under the rolling of the 4th passage, promptly obtains magnesium or magnesium alloy sheet.
It is 0.3～0.4mm that this embodiment is made the thickness obtain magnesium or magnesium alloy sheet, and makes the magnesium that obtains or the ratio defective product of magnesium alloy sheet has reached more than 70%.
The specific embodiment two: this embodiment and the specific embodiment one are different is that the rolling temperature of second passage in the step 2 is 240 ℃.Other step and parameter are identical with the specific embodiment one.
The specific embodiment three: this embodiment is different with the specific embodiment one or two is that amount is 40% under the rolling of second passage in the step 2.Other step and parameter are identical with the specific embodiment one or two.
The specific embodiment four: this embodiment and the specific embodiment three are different is that the rolling temperature of the 3rd passage in the step 2 is 210 ℃, and amount is 40% under the rolling of the 3rd passage.Other step and parameter are identical with the specific embodiment three.
The specific embodiment five: this embodiment and the specific embodiment one, two or four are different is that the rolling temperature of the 4th passage in the step 2 is 160 ℃, and amount is 43% under the rolling of the 4th passage.Other step and parameter are identical with the specific embodiment one, two or four.
The specific embodiment six: the manufacturing approach of this embodiment magnesium or magnesium alloy sheet is carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with four passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 50% under the rolling of first passage; The rolling temperature of second passage is 240 ℃, and amount is that the rolling temperature of 40%, the three passage is 210 ℃ under the rolling of second passage; Amount is 40% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 160 ℃, and amount is 43% under the rolling of the 4th passage, promptly obtains magnesium or magnesium alloy sheet.
It is 0.4mm that this embodiment is made the thickness obtain magnesium or magnesium alloy sheet, and makes the magnesium that obtains or the ratio defective product of magnesium alloy sheet is 73%.
The specific embodiment seven: the manufacturing approach of this embodiment magnesium or magnesium alloy sheet is carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with five passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 40%～50% under the rolling of first passage; The rolling temperature of second passage is 240～230 ℃, and amount is that the rolling temperature of the 30%～50%, three passage is 220～210 ℃ under the rolling of second passage; Amount is 30%～50% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 210～200 ℃, and amount is that the rolling temperature of the 30%～50%, five passage is 160～150 ℃ under the rolling of the 4th passage; Amount is 30%～50% under the rolling of the 5th passage, promptly obtains magnesium or magnesium alloy sheet.
It is 0.3mm that this embodiment is made the thickness obtain magnesium or magnesium alloy sheet, and makes the magnesium that obtains or the ratio defective product of magnesium alloy sheet has reached more than 71%.
The specific embodiment eight: this embodiment and the specific embodiment seven are different is that the rolling temperature of second passage in the step 2 is 230 ℃, and amount is 40% under the rolling of second passage.Other step and parameter are identical with the specific embodiment seven.
The specific embodiment nine: this embodiment is different with the specific embodiment seven or eight is that the rolling temperature of the 3rd passage in the step 2 is 220 ℃, and amount is 40% under the rolling of the 3rd passage.Other step and parameter are identical with the specific embodiment seven or eight.
The specific embodiment ten: this embodiment and the specific embodiment nine are different is that the rolling temperature of the 4th passage in the step 2 is 200 ℃, and amount is 30% under the rolling of the 4th passage.Other step and parameter are identical with the specific embodiment nine.
The specific embodiment 11: this embodiment and the specific embodiment seven, eight or ten are different is that the rolling temperature of the 5th passage in the step 2 is 150 ℃, and amount is 33% under the rolling of the 5th passage.Other step and parameter are identical with the specific embodiment seven, eight or ten.
The specific embodiment 12: the manufacturing approach of this embodiment magnesium or magnesium alloy sheet is carried out according to following steps: one, magnesium or magnesium alloy ingot hot rolling are processed the slab that thickness is 4mm, rolling temperature is 400 ℃; Two, with five passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 40% under the rolling of first passage; The rolling temperature of second passage is 230 ℃, and amount is that the rolling temperature of 40%, the three passage is 220 ℃ under the rolling of second passage; Amount is 40% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 200 ℃, and amount is that the rolling temperature of 30%, the five passage is 150 ℃ under the rolling of the 4th passage; Amount is 33% under the rolling of the 5th passage, promptly obtains magnesium or magnesium alloy sheet.
It is 0.4mm that this embodiment is also made the thickness that obtains magnesium or magnesium alloy sheet, and makes the magnesium obtain or the ratio defective product of magnesium alloy sheet is 75%.
Claims (2)
1. magnesium alloy sheet warm-rolling manufacture method, it is characterized in that the manufacturing approach of magnesium alloy sheet is carried out according to following steps: one, the slab that thickness is 4mm is processed in the magnesium alloy ingot hot rolling, rolling temperature is 400 ℃; Two, with four passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 50% under the rolling of first passage; The rolling temperature of second passage is 240 ℃, and amount is that the rolling temperature of 40%, the three passage is 210 ℃ under the rolling of second passage; Amount is 40% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 160 ℃, and amount is 43% under the rolling of the 4th passage, promptly obtains magnesium alloy sheet.
2. magnesium alloy sheet warm-rolling manufacture method, it is characterized in that the manufacturing approach of magnesium alloy sheet is carried out according to following steps: one, the slab that thickness is 4mm is processed in the magnesium alloy ingot hot rolling, rolling temperature is 400 ℃; Two, with five passages of the slab rolling in the step 1, the rolling temperature of first passage is 250 ℃, and amount is 40% under the rolling of first passage; The rolling temperature of second passage is 230 ℃, and amount is that the rolling temperature of 40%, the three passage is 220 ℃ under the rolling of second passage; Amount is 40% under the rolling of the 3rd passage; The rolling temperature of the 4th passage is 200 ℃, and amount is that the rolling temperature of 30%, the five passage is 150 ℃ under the rolling of the 4th passage; Amount is 33% under the rolling of the 5th passage, promptly obtains magnesium alloy sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103079245A CN101653778B (en) | 2009-09-29 | 2009-09-29 | Warm-rolling manufacture method for magnesium or magnesium alloy sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103079245A CN101653778B (en) | 2009-09-29 | 2009-09-29 | Warm-rolling manufacture method for magnesium or magnesium alloy sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101653778A CN101653778A (en) | 2010-02-24 |
| CN101653778B true CN101653778B (en) | 2012-01-11 |
Family
ID=41708353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103079245A Expired - Fee Related CN101653778B (en) | 2009-09-29 | 2009-09-29 | Warm-rolling manufacture method for magnesium or magnesium alloy sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101653778B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189120A (en) * | 2010-03-12 | 2011-09-21 | 上海西重所重型机械成套有限公司 | Supplementary heating method for low plastic metal plate band |
| CN102744258B (en) * | 2012-07-27 | 2014-09-17 | 西部钛业有限责任公司 | Rolling processing method of AZ31B magnesium alloy wide-width thin plates |
| CN105817479A (en) * | 2016-03-18 | 2016-08-03 | 成都青元泛镁科技有限公司 | Rolling method for magnesium alloy sheet |
| CN108787762B (en) * | 2017-04-26 | 2019-10-25 | 中国宝武钢铁集团有限公司 | A kind of method and system of the adaptive temperature control continuous rolling of magnesium alloy |
| CN108787779B (en) * | 2017-04-26 | 2019-10-08 | 中国宝武钢铁集团有限公司 | A kind of magnesium alloy even squeezes temperature control continuous rolling process and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1226443C (en) * | 2003-11-20 | 2005-11-09 | 洛阳铜加工集团有限责任公司 | Process for rolling deformation magnesium and magnesium alloy sheet material |
| CN101422784A (en) * | 2007-11-01 | 2009-05-06 | 山西闻喜银光镁业（集团）有限责任公司 | Rolling technique of ultra-fine grained magnesium alloy sheet |
-
2009
- 2009-09-29 CN CN2009103079245A patent/CN101653778B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1226443C (en) * | 2003-11-20 | 2005-11-09 | 洛阳铜加工集团有限责任公司 | Process for rolling deformation magnesium and magnesium alloy sheet material |
| CN101422784A (en) * | 2007-11-01 | 2009-05-06 | 山西闻喜银光镁业（集团）有限责任公司 | Rolling technique of ultra-fine grained magnesium alloy sheet |
Non-Patent Citations (4)
| Title |
|---|
| Hongmei Chen, Suk Bong Kang, Huashun Yu, Hyoung Wook Kim, Guangh.Microstructure and mechanical properties of Mg–4.5Al–1.0Zn alloy sheets produced by twin roll casting and sequential warm rolling.《Materials Science and Engineering》.2008,第492卷(第1-2期),317-326. * |
| JP特开2006-144043A 2006.06.08 |
| JP特开2008-163361A 2008.07.17 |
| JP特开平6-293944A 1994.10.21 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101653778A (en) | 2010-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101653778B (en) | Warm-rolling manufacture method for magnesium or magnesium alloy sheet | |
| CN102517529B (en) | Vacuum heat treatment process of cold rolled titanium strip coil for plate heat exchanger | |
| CN103212574A (en) | Method for preparing aluminium alloy compound foil by compounding cold rolling and warm rolling | |
| CN103695825A (en) | Preparation method of high-conductivity high-strength copper chromium zirconium alloy thin line conductor | |
| CN101894600B (en) | Process for preparing copper-clad aluminum laminated busbar | |
| CN102641889A (en) | Preparation method of brazing composite aluminum foil | |
| CN102418813B (en) | Novel copper-aluminum composite pipe | |
| CN105195549A (en) | Process capable of obviously improving room-temperature forming property of AZ31 magnesium alloy plate | |
| CN103469060B (en) | The manufacture method of household electrical appliances punching press cold-rolled steel sheet | |
| CN205167643U (en) | Sapphire and ceramic material high temperature assembling die | |
| CN105506317A (en) | Preparation method of high-conductivity heat resisting aluminum alloy conductor | |
| CN103878551A (en) | Method for producing high-strength copper nickel silica lead frame material | |
| CN104561638B (en) | A kind of Al2O3The preparation method of dispersed and strengthened copper-based composite material | |
| CN102601153B (en) | Method for preparing layered nickel/aluminum composite material | |
| CN101364459B (en) | Copper coated aluminum bus bank production method and apparatus | |
| CN103028605A (en) | Rolling process for preparing copper foil | |
| CN201471803U (en) | Novel antibiosis stainless steel composite board | |
| CN109201739A (en) | A kind of high-performance superfine crystalline substance copper/aluminium/copper composite strip continuously hot rolling-deep cooling Rolling compund preparation method | |
| CN102605153A (en) | Method for preparing high-silicon electric steel band material through rolling at medium and low temperature | |
| CN103173647B (en) | Making method of elastic copper alloy sheet used for spectacle frame | |
| CN105220095B (en) | Preparation method of large single-heavy molybdenum plate | |
| CN102009326B (en) | Method for manufacturing thin nickel-titanium composite material | |
| CN102921726B (en) | Method for improving corrosion resistance of hot-rolled plate by utilizing oxide scale | |
| CN113000844A (en) | Preparation method of large-size molybdenum plate | |
| CN102492908A (en) | Manufacturing method for thin Zr4 alloy strip with special structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Erde Inventor after: Wang Xin Inventor before: Wang Erde Inventor before: Wang Xin Inventor before: Hu Lianxi Inventor before: Yang Deshan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG ERDE WANG XIN HU LIANXI YANG DESHAN TO: WANG ERDE WANG XIN |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 |