CN1544683A - Process for rolling deformation magnesium and magnesium alloy sheet material - Google Patents
Process for rolling deformation magnesium and magnesium alloy sheet material Download PDFInfo
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Abstract
The invention is a roll processing method of deformed Mg and Ma alloy sheets, adopting hot-rolling and multiple warm-rolling methods for extruded or forged ingot blanks, and semicontinuous/continuous cast ingot blanks, strictly controlling preheating temperature of forming roll and press roll and sheet temperature; firstly ingot blank milling and sawing-heating-hot rolling-blanking-cutting finished product into thick sheets-packing and storing; then the thick sheet blanks-heating-warm rolling-acid pickling-heating-secondary warm rolling-interrupting or blanking-heating-tertiary warm rolling-annealing finished products-cutting finished products into medium sheet-packaging and storing; then sheet blanks--middle annealing-primary thin sheet warm rolling-middle annealing-secondary thin sheet warm rolling-heating-tertiary thin sheet warm rolling-annealing finished products-cutting finished products into thin sheets and ultrathin sheets-packaging and storing; and finally making into100-0.2mm thick deformed Mg and Ma alloy sheets.
Description
Technical field:
The present invention relates to the processing technique field of non-ferrous metal magnesium and magnesium alloy, the rolling working method of a kind of deformed Mg and magnesium alloy plate.
Technical background:
Deformed Mg and magnesium alloy plate are owing to it has light specific gravity, intensity height, damping and amortization height, capability of electromagnetic shielding is good and returnability good, and in recent years, it is widely used in fields such as space flight, aviation, communication, traffic, automobile, machinery.Deformed Mg and Application of Magnesium mainly are die castings at present, but it is owing to be subjected to the restriction of die casting mechanical property, with and the restriction of metal flow performance, deformed Mg and magnesium alloy are difficult to be prepared into the member of large-scale and thin-walled, and yield rate is lower, be about about 10%, therefore just limited magnesium and Application of Magnesium; So deformed Mg and magnesium alloy molded Journal of Sex Research have just become the advanced subject that further develops in recent years.
Summary of the invention:
In order to solve the problem of above-mentioned existence, the invention provides the rolling working method of a kind of deformed Mg and magnesium alloy plate, better meet in the technical fields such as space flight, aviation, communication, traffic, automobile, machinery the good deformed Mg of light specific gravity, intensity height, damping and amortization height, capability of electromagnetic shielding and the needs of magnesium alloy plate.
For achieving the above object, the present invention has adopted following technical scheme:
The rolling working method of described deformed Mg and magnesium alloy plate with the ingot blank of extruding or forged ingot blank, semicontinuous or continuous casting, adopts the hot rolling and the method for warm-rolling repeatedly, strict forming roll and the preheating temperature of roll and the temperature of sheet material controlled; At first will mill ingot blank-heating-hot rolling-blanking-finished product shearing of face sawing and make slab-packing warehouse-in; To make middle plate-packing warehouse-in through slab slab-heating-warm-rolling-pickling-heating-secondary warm-rolling-interruption or blanking-heating-three time warm-rolling-finished products-finished product shearing of processing again; And then through slab-process annealing-one time thin plate warm-rolling-process annealing-secondary thin plate warm-rolling-heating-three time thin plate warm-rolling-finished products-finished product shearing laminates and ultra-thin plate-packing warehouse-in; Be prepared into deformed Mg and magnesium alloy plate that thickness is 100～0.2mm at last.
The rolling working method of described deformed Mg and magnesium alloy plate, when using the ingot blank machining sheet of semicontinuous or continuous casting, after ingot blank semicontinuous or continuous casting will being milled the face sawing, be placed on and carry out the homogeneous microstructure processing in the soaking pit, soaking temperature 400-450 ℃, time 22-26h, normal cooling is to room temperature then, adopt the hot rolling and the method for warm-rolling repeatedly again, strict control forming roll and the preheating temperature of roll and the temperature of sheet material, be rolled into slab, and then be rolled into middle plate-thin plate-ultra-thin thin plate;
Owing to adopted technical scheme as mentioned above, the present invention has following superiority:
Deformed Mg and magnesium alloy plate can be widely used in fields such as space flight, aviation, communication, traffic, automobile, machinery because it has the good and strong characteristics of returnability of light specific gravity, intensity height, damping and amortization height and electromagnetic wave shielding; Magnesium and Application of Magnesium mainly are die castings at present, but it be difficult to be prepared into the member of large-scale and thin-walled, and yield rate is lower, is about about 10% owing to be subjected to the restriction of pressure die-casting machine ability and metal flow.Patent of the present invention has well solved the problems referred to above, and this patent of invention is through the industrialization trial production.
The drawing explanation:
Fig. 1 is the processing process figure of the slab of rolling deformation magnesium and magnesium alloy plate.
In Fig. 2 rolling deformation magnesium and the magnesium alloy plate, the processing process figure of thin plate.
Fig. 3 is the processing process figure of thin, the ultra-thin plate of rolling deformation magnesium and magnesium alloy plate
Embodiment one:
The rolling working method of deformed Mg and magnesium alloy plate, when implementing rolling machining thick plates, ingot blank with continuous casting, through milling the ingot blank that the face sawing becomes 165 * 750 * 800MM, place and carry out the homogeneous microstructure processing in the soaking pit, soaking temperature 400-420 ℃, the time is 22-26h, and air cooling is to room temperature again; Then through process furnace heating 6-8h, 460-490 ℃ of metal tapping temperature; Adopt hot rolling, roll is last concave shape roll, concavity is 0.15-0.30mm, preheating 2-8h, preheating temperature 120-160 ℃, hot rolling finishing temperature 370-430 ℃, rolling working modulus is at 70-94%, and determine hot-rolled temperature and rolling finishing temperature according to factors such as alloy property and plasticity chart thereof, and carry out on request again that finished product is sheared and the packing warehouse-in, make the MB3 deformed Mg and the magnesium alloy thick plate of the R state of 20 * 700 * 2000mm.
Embodiment two:
The rolling working method of deformed Mg and magnesium alloy plate during sheet material, will be rolled into the slab of 10 * 1150 * 1000mm in implementing rolling processing, through the process furnace heating, Heating temperature 400-460 ℃, heat-up time 2.5-5h; Through milling train warm-rolling repeatedly, roll is a plain-barreled roll then, roller temperature 100-150 ℃, warm up time 2-8h, rolling working modulus is 30-60%; Through annealing furnace annealing, require selected suitable annealing temperature according to different alloy designations and state again, the annealing temperature of M state is 330-350 ℃, and the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h; Carry out on request again that finished product is sheared and the packing warehouse-in, be prepared into thickness and be plate in the MB1 deformed Mg of 2-10mm M state and the magnesium alloy.
Embodiment three:
The rolling working method of deformed Mg and magnesium alloy plate, when implementing rolling processing sheet material, slab with 4 * 1150 * 2000mm, through process annealing, annealing temperature 420-450 ℃, annealing time 2.0-2.5h, enter repeatedly warm-rolling of milling train, roll is a plain-barreled roll up and down, 90-120 ℃ of roll preheating temperature, warm up time 4-8h, rolling temperature 420-450 ℃, rolling working modulus is 30-60%, be rolled into 2 * 1150 * 1500mm, annealing once more, annealing temperature 400-440 ℃, annealing time 1.5-2.0h, through milling train warm-rolling repeatedly, roll is a plain-barreled roll up and down, 90-120 ℃ of roll preheating temperature, warm up time 4-8h, rolling temperature 400-440 ℃, rolling working modulus is 30-60%, carries out finished products, require selected suitable annealing temperature according to different alloy designations and state, the annealing temperature of M state is 330-350 ℃, and the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h, shear the packing warehouse-in through finished product on request at last, being prepared into thickness is the MB1 deformed Mg and the magnesium alloy sheet of 0.8-2.0mm M state.
Embodiment four:
The rolling working method of deformed Mg and magnesium alloy plate, process ultra-thin sheet material in the rolling working method, when the ultra-thin plate below the thickness 0.8mm is rolling, the slab of 0.8 * 500 * 1000mm of selecting for use is carried out repeatedly warm-rolling with plain-barreled roll, roll 4-5h warm up time, roller temperature 80-100 ℃, rolling temperature 400-420 ℃, rolling working modulus 30-60%, roller surface must not have water, oil, or roll banding phenomenon, carry out finished products again, require selected suitable annealing temperature according to different alloy designations and state, the annealing temperature of M state is 330-350 ℃, the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h shears the packing warehouse-in through finished product at last on request, is prepared into deformed Mg and the magnesium alloy ultrathin plate of the MB1 of the following M state of 0.8mm.
Claims (6)
1, the rolling working method of a kind of deformed Mg and magnesium alloy plate, it is characterized in that: the rolling working method of described sheet material, with the extruding or forged ingot blank, semicontinuous or the continuous casting ingot blank, adopt the hot rolling and the method for warm-rolling repeatedly, strict preheating temperature and the sheet material temperature of controlling forming roll and roll; At first ingot blank is milled face sawing-heating-hot rolling-blanking-finished product shearing and make slab-packing warehouse-in; To make middle plate-packing warehouse-in through slab slab-heating-warm-rolling-pickling-heating-secondary warm-rolling-interruption or blanking-heating-three time warm-rolling-finished products-finished product shearing of processing again; And then through slab-process annealing-one time thin plate warm-rolling-process annealing-secondary thin plate warm-rolling-heating-three time thin plate warm-rolling-finished products-finished product shearing laminates and ultra-thin plate-packing warehouse-in; Make deformed Mg and magnesium alloy plate that thickness is 100～0.2mm at last.
2, the rolling working method of deformed Mg as claimed in claim 1 and magnesium alloy plate, it is characterized in that: the rolling working method of described sheet material, when using the ingot blank machining sheet of semicontinuous or continuous casting, after ingot blank semicontinuous or continuous casting will being milled the face sawing, be placed on and carry out the homogeneous microstructure processing in the soaking pit, soaking temperature 400-420 ℃, time is 22-26h, normal air is cooled to room temperature then, adopt the hot rolling and the method for warm-rolling repeatedly again, strict control forming roll and the preheating temperature of roll and the temperature of sheet material are rolled into slab, and then are rolled into middle plate-thin plate-ultra-thin plate.
3, the rolling working method of deformed Mg as claimed in claim 1 and magnesium alloy plate is characterized in that: the rolling working method of described sheet material, when implementing rolling machining thick plates, through process furnace heating 6-8h, 460-490 ℃ of metal tapping temperature; Adopt hot rolling, roll is last concave shape roll, concavity is 0.15-0.30mm, preheating 2-8h, preheating temperature 120-160 ℃, hot rolling finishing temperature 370-430 ℃, rolling working modulus is at 70-94%, and determine hot-rolled temperature and rolling finishing temperature according to factors such as alloy property and plasticity chart thereof, and carry out on request again that finished product is sheared and the packing warehouse-in, make thickness 10mm above deformed Mg and magnesium alloy thick plate.
4, the rolling working method of deformed Mg as claimed in claim 1 and magnesium alloy plate is characterized in that: the rolling working method of described sheet material, in implementing rolling processing during sheet material, with the slab slab that is rolled into, through process furnace heating, Heating temperature 400-460 ℃, heat-up time 2.5-5h; Through milling train warm-rolling repeatedly, roll is a plain-barreled roll then, roller temperature 100-150 ℃, warm up time 2-8h, rolling working modulus is 30-60%; Through annealing furnace annealing, require selected suitable annealing temperature according to different alloy designations and state again, the annealing temperature of M state is 330-350 ℃, and the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h; Carry out on request again that finished product is sheared and the packing warehouse-in, be prepared into plate in deformed Mg that thickness is 2-10mm and the magnesium alloy.
5, the rolling working method of deformed Mg as claimed in claim 1 and magnesium alloy plate, it is characterized in that: the rolling working method of described sheet material, when implementing rolling processing sheet material, with the middle plate slab of selecting for use, through process annealing, annealing temperature 420-450 ℃, annealing time 2.0-2.5h enters repeatedly warm-rolling of milling train, and roll is a plain-barreled roll up and down, 90-120 ℃ of roll preheating temperature, warm up time 4-8h, rolling temperature 420-450 ℃, rolling working modulus is 30-60%, the intermediate slab that is rolled into, annealing once more, annealing temperature 400-440 ℃, annealing time 1.5-2.0h, through milling train warm-rolling repeatedly, roll is a plain-barreled roll up and down, 90-120 ℃ of roll preheating temperature, warm up time 4-8h, rolling temperature 400-440 ℃, rolling working modulus is 30-60%; Carry out finished products again, require selected suitable annealing temperature according to different alloy designations and state, the annealing temperature of M state is 330-350 ℃, and the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h; Shear the packing warehouse-in through finished product on request at last, be prepared into deformed Mg and magnesium alloy sheet that thickness is 0.8-2.0mm.
6, the rolling working method of deformed Mg as claimed in claim 1 and magnesium alloy plate, it is characterized in that: the rolling working method of described sheet material, when the ultra-thin plate below implementing rolling processing thickness 0.8mm is rolling, the thin plate slab of selecting for use is carried out repeatedly warm-rolling with plain-barreled roll, roll 4-5h warm up time, roller temperature 80-100 ℃, rolling temperature 400-420 ℃, rolling working modulus 30-60%, roller surface must not have water, oil, or roll banding phenomenon, carry out finished products again, require selected suitable annealing temperature according to different alloy designations and state, the annealing temperature of M state is 330-350 ℃, and the annealing temperature of Y2 state is 285-300 ℃, annealing time 0.5-1.5h; Shear the packing warehouse-in through finished product on request at last, be prepared into 0.8mm following deformed Mg and magnesium alloy ultrathin plate.
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| CN 200310115015 CN1226443C (en) | 2003-11-20 | 2003-11-20 | Process for rolling deformation magnesium and magnesium alloy sheet material |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400699C (en) * | 2006-07-10 | 2008-07-09 | 东北大学 | Method for preparing 300MPa grade and isotropous AZ31 magnesium alloy sheet |
| 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 |
| CN102211153A (en) * | 2011-05-17 | 2011-10-12 | 中南大学 | Electromagnetic field casting-rolling method of magnesium alloy strips |
| CN101857933B (en) * | 2009-04-10 | 2012-05-23 | 中国科学院金属研究所 | High-plasticity low-anisotropy magnesium alloy and hot rolling process of plate thereof |
| CN102632100A (en) * | 2012-04-25 | 2012-08-15 | 中南大学 | Method for processing high-extensibility magnesium alloy slat |
| CN102644040A (en) * | 2012-05-28 | 2012-08-22 | 重庆大学 | Heat treatment process for improving electromagnetic shielding performance of high-strength wrought magnesium alloy |
| CN102728615A (en) * | 2012-07-27 | 2012-10-17 | 西部钛业有限责任公司 | Rolling processing method for wide magnesium-alloy sheet |
| CN102921731A (en) * | 2012-11-13 | 2013-02-13 | 西部钛业有限责任公司 | Warm-rolling process method of titanium alloy thin plate |
| CN103273274A (en) * | 2013-06-07 | 2013-09-04 | 中北大学 | Forming method for magnesium alloy boards |
| CN105149352A (en) * | 2015-09-30 | 2015-12-16 | 中镁镁业有限公司 | Online temperature supplementing, constant-temperature rolling and coiling method for wrought magnesium alloy sheet strips |
| CN107974596A (en) * | 2017-11-29 | 2018-05-01 | 宁波市鄞州隆茂冲压件厂 | A kind of high-performance hinge |
| CN109468560A (en) * | 2019-01-15 | 2019-03-15 | 吉林大学 | Second phase homogenization regulation preparation method in a kind of high aluminium content casting magnesium alloy plate |
| CN112439779A (en) * | 2020-11-17 | 2021-03-05 | 湖南仁发材料科技有限公司 | Processing technology for rolling metal material |
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| CN101653778B (en) * | 2009-09-29 | 2012-01-11 | 哈尔滨工业大学 | Warm-rolling manufacture method for magnesium or magnesium alloy sheet |
| 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 |
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- 2003-11-20 CN CN 200310115015 patent/CN1226443C/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400699C (en) * | 2006-07-10 | 2008-07-09 | 东北大学 | Method for preparing 300MPa grade and isotropous AZ31 magnesium alloy sheet |
| CN101857933B (en) * | 2009-04-10 | 2012-05-23 | 中国科学院金属研究所 | High-plasticity low-anisotropy magnesium alloy and hot rolling process of plate thereof |
| 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 |
| CN102211153A (en) * | 2011-05-17 | 2011-10-12 | 中南大学 | Electromagnetic field casting-rolling method of magnesium alloy strips |
| CN102211153B (en) * | 2011-05-17 | 2012-07-25 | 中南大学 | Electromagnetic field casting-rolling method of magnesium alloy strips |
| CN102632100A (en) * | 2012-04-25 | 2012-08-15 | 中南大学 | Method for processing high-extensibility magnesium alloy slat |
| CN102644040A (en) * | 2012-05-28 | 2012-08-22 | 重庆大学 | Heat treatment process for improving electromagnetic shielding performance of high-strength wrought magnesium alloy |
| CN102728615B (en) * | 2012-07-27 | 2014-07-02 | 西部钛业有限责任公司 | Rolling processing method for wide magnesium-alloy sheet |
| CN102728615A (en) * | 2012-07-27 | 2012-10-17 | 西部钛业有限责任公司 | Rolling processing method for wide magnesium-alloy sheet |
| CN102921731A (en) * | 2012-11-13 | 2013-02-13 | 西部钛业有限责任公司 | Warm-rolling process method of titanium alloy thin plate |
| CN102921731B (en) * | 2012-11-13 | 2014-12-31 | 西部钛业有限责任公司 | Warm-rolling process method of titanium alloy thin plate |
| CN103273274A (en) * | 2013-06-07 | 2013-09-04 | 中北大学 | Forming method for magnesium alloy boards |
| CN103273274B (en) * | 2013-06-07 | 2015-06-10 | 中北大学 | Forming method for magnesium alloy boards |
| CN105149352A (en) * | 2015-09-30 | 2015-12-16 | 中镁镁业有限公司 | Online temperature supplementing, constant-temperature rolling and coiling method for wrought magnesium alloy sheet strips |
| CN107974596A (en) * | 2017-11-29 | 2018-05-01 | 宁波市鄞州隆茂冲压件厂 | A kind of high-performance hinge |
| CN109468560A (en) * | 2019-01-15 | 2019-03-15 | 吉林大学 | Second phase homogenization regulation preparation method in a kind of high aluminium content casting magnesium alloy plate |
| CN112439779A (en) * | 2020-11-17 | 2021-03-05 | 湖南仁发材料科技有限公司 | Processing technology for rolling metal material |
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