CN103695743A - Magnesium alloy and preparation method thereof - Google Patents
Magnesium alloy and preparation method thereof Download PDFInfo
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- CN103695743A CN103695743A CN201410018651.3A CN201410018651A CN103695743A CN 103695743 A CN103695743 A CN 103695743A CN 201410018651 A CN201410018651 A CN 201410018651A CN 103695743 A CN103695743 A CN 103695743A
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 102
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 101
- 239000011777 magnesium Substances 0.000 claims abstract description 23
- 230000032683 aging Effects 0.000 claims description 40
- 238000007670 refining Methods 0.000 claims description 35
- 238000000137 annealing Methods 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 20
- 229910052718 tin Inorganic materials 0.000 claims description 17
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000003723 Smelting Methods 0.000 claims description 15
- 229910018131 Al-Mn Inorganic materials 0.000 claims description 10
- 229910018125 Al-Si Inorganic materials 0.000 claims description 10
- 229910018167 Al—Be Inorganic materials 0.000 claims description 10
- 229910018182 Al—Cu Inorganic materials 0.000 claims description 10
- 229910018461 Al—Mn Inorganic materials 0.000 claims description 10
- 229910018520 Al—Si Inorganic materials 0.000 claims description 10
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 229910001610 cryolite Inorganic materials 0.000 claims description 5
- 238000005242 forging Methods 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 238000007669 thermal treatment Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 229910001339 C alloy Inorganic materials 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention provides a magnesium alloy. The magnesium alloy contains the ingredients in percentage by weight: 0.35-0.45% of Gd, 2.7-3.3% of Al, 2.0-2.15% of Zn, 3.65-3.75% of Si, 0.9-1.0% of Ca, 1.05-1.1% of Sr, 0.35-0.55% of Nd, 0.45-0.654% of Zr, 0.8-0.9% of Sn, 0.11-0.14% of Be, 1.1-1.3% of Mn, 0.2-0.4% of Sb, 0.25-0.31% of Cu and the balance of Mg. The invention further provides a preparation method of the alloy. The alloy has good mechanical properties.
Description
Technical field
The invention belongs to magnesium alloy materials field, especially a kind of magnesium alloy and preparation method thereof.
Background technology
The crystalline structure of magnesium alloy belongs to hexagonal close packed lattice, its plastic deformation ability is not as good as aluminium and steel, difficulty and the manufacture cost of magnesium alloy plastic working have been increased, for this reason in novel magnesium alloy development research in recent years, started to pay attention to designing mutually and adopt the modes such as new deformation technique by wrought magnesium alloys interalloy, when guaranteeing some strength, more focused on improving the plastic working ability of magnesium alloy.
Due to magnesium alloy, to have density little, specific rigidity and specific tenacity are high, and there are excellent heat conductivity performance, capability of electromagnetic shielding, damping capacity, machinability and a damping performance, there is the series of advantages such as dimensional stabilizing, pollution-free, easy recovery simultaneously, be structure lightweight ideal material, in the industry such as automobile, aerospace, national defence and 3C Product, have wide commercial application prospect.Yet because magnesium alloy absolute strength is low, deformation at room temperature ability is poor, oxidizable burning, the defect such as perishable, limited its widespread use as structured material, and it is extensive that the application of magnesium alloy at present can not show a candle to aluminium alloy.Therefore, improving magnesium alloy strength and make it have good over-all properties, is the focus of novel magnesium alloy exploitation, and high-strength magnesium alloy exploitation is simultaneously significant to the Application Areas of expansion magnesium alloy.
Summary of the invention
The problem existing for prior art, the invention provides a kind of high-strength magnesium alloy and preparation method thereof, this processing method cost is low and simple and easy to do, and the magnesium alloy of acquisition has higher intensity, makes this type of magnesium alloy have the mechanical property more superior than traditional commerce magnesium alloy.
For reaching this object, the present invention by the following technical solutions:
A magnesium alloy, contains according to weight percent content: Gd:0.35-0.45%, Al:2.7-3.3%, Zn:2.0-2.15%, Si:3.65-3.75%, Ca:0.9-1.0%, Sr:1.05-1.1%, Nd:0.35-0.55%, Zr:0.45-0.654%, Sn:0.8-0.9%, Be:0.11-0.14%, Mn:1.1-1.3%, Sb:0.2-0.4%, Cu:0.25-0.31%, surplus is Mg.
Further, according to weight percent content, contain: Gd:0.38%, Al:2.8%, Zn:2.1%, Si:3.68%, Ca:0.9%, Sr:1.08%, Nd:0.37%, Zr:0.52%, Sn:0.85%, Be:0.125%, Mn:1.26%, Sb:0.23%, Cu:0.28%, surplus is Mg.
In addition, also provide a kind of preparation method of described magnesium alloy, comprise the following steps:
(1) raw material is prepared: according to weight percent content, carry out raw material preparation, described raw material is pure Mg ingot, Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy;
(2) melting: adopt gas atmosphere molten alloy in resistance furnace, smelting temperature is 735-760 ℃, first in smelting furnace, add pure Mg ingot, after pure magnesium ingot melts completely, add Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy, after all raw materials melt completely, stir, make alloying constituent even;
(3) refining: make smelting furnace be warming up to 775 ℃～790 ℃ alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 1-4 minute, after refining is complete standing 5～8 minutes of 730 ℃～740 ℃ insulations, the consisting of of described heat resistance magnesium alloy refining agent: NaCl:11%～15%; Na3AlF6:8～10%; MgCl2:30-40%; Surplus is KCl;
(4) casting: it is that in the swage tool of 180～230 ℃, pouring temperature is 725 ℃～735 ℃ that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 450mm～Ф 500mm, length >=3000mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 425-430 ℃ of temperature range, and the solution treatment time is 16～24 hours, then carries out shrend, puts into the foundry goods after quenching in the resistance furnace of 200 ℃ artificial aging 40 hours, makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 400 ℃～440 ℃ insulation 1～2h; Carry out two to hammer cogging, be forged into the slab that thickness is 40-60mm; Reduction in pass is 20%～40%, and every 3-6 passage is forged after annealing 1.5h, and annealing temperature is 400 ℃～440 ℃; B. heated roll to temperature is 300-340 ℃; C. heating slab to temperature is 450-460 ℃, is incubated after 20-30 minute, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 2～10mm thin plate, and the speed of rolls is 0.4m/s～0.8 m/s; Every time rolling draught is 10%～20%, after every time rolling, melts down annealing, and annealing temperature is 400 ℃～440 ℃, and annealing time is 30min～40min;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 225-240 ℃, soaking time is 12-36h; At 195-210 ℃, carry out ageing treatment for the second time again, aging time is 12-36h; Finally at 140-170 ℃, carry out ageing treatment for the third time, aging time is 12-36h.
Embodiment
embodiment 1
A magnesium alloy, contains according to weight percent content: Gd:0.35%, Al:2.9%, Zn:2.1%, Si:3.66%, Ca:0.92%, Sr:1.07%, Nd:0.41%, Zr:0.48%, Sn:0.88%, Be:0.125%, Mn:1.24%, Sb:0.38%, Cu:0.29%, surplus is Mg.
The preparation method of magnesium alloy, comprises the following steps:
(1) raw material is prepared: according to weight percent content, carry out raw material preparation, described raw material is pure Mg ingot, Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy;
(2) melting: adopt gas atmosphere molten alloy in resistance furnace, smelting temperature is 755 ℃, first in smelting furnace, add pure Mg ingot, after pure magnesium ingot melts completely, add Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy, after all raw materials melt completely, stir, make alloying constituent even;
(3) refining: make smelting furnace be warming up to 785 ℃ of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 3 minutes, after refining is complete standing 6 minutes of 735 ℃ of insulations, the consisting of of described heat resistance magnesium alloy refining agent: NaCl:13%; Na3AlF6:9%; MgCl2:32%; Surplus is KCl;
(4) casting: it is that in the swage tool of 195 ℃, pouring temperature is 730 ℃ that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 480mm, length 3500mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 428 ℃ of temperature ranges, and the solution treatment time is 18 hours, then carries out shrend, puts into the foundry goods after quenching in the resistance furnace of 200 ℃ artificial aging 40 hours, makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 420 ℃ of insulation 1.5h; Carry out two to hammer cogging, be forged into the slab that thickness is 50mm; Reduction in pass is 30%, and every 3 passages are forged after annealing 1.5h, and annealing temperature is 420 ℃; B. heated roll to temperature is 330 ℃; C. heating slab to temperature is 455 ℃, is incubated after 25 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 3.5mm thin plate, and the speed of rolls is 0.6 m/s; Every time rolling draught is 15%, after every time rolling, melts down annealing, and annealing temperature is 420 ℃, and annealing time is 35min;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 240 ℃, soaking time is 15h; At 200 ℃, carry out ageing treatment for the second time again, aging time is 15h; Finally at 150 ℃, carry out ageing treatment for the third time, aging time is 15h.
embodiment 2:
A magnesium alloy, contains according to weight percent content: Gd:0.38%, Al:2.89%, Zn:2.13%, Si:3.69%, Ca:0.92%, Sr:1.09%, Nd:0.45%, Zr:0.47%, Sn:0.88%, Be:0.13%, Mn:1.2%, Sb:0.28%, Cu:0.29%, surplus is Mg.
The preparation method of described magnesium alloy, comprises the following steps:
(1) raw material is prepared: according to weight percent content, carry out raw material preparation, described raw material is pure Mg ingot, Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy;
(2) melting: adopt gas atmosphere molten alloy in resistance furnace, smelting temperature is 746 ℃, first in smelting furnace, add pure Mg ingot, after pure magnesium ingot melts completely, add Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy, after all raw materials melt completely, stir, make alloying constituent even;
(3) refining: make smelting furnace be warming up to 780 ℃ of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 4 minutes, after refining is complete standing 6 minutes of 738 ℃ of insulations, the consisting of of described heat resistance magnesium alloy refining agent: NaCl:11%; Na3AlF6:9.5%; MgCl2:38%; Surplus is KCl;
(4) casting: it is that in the swage tool of 195 ℃, pouring temperature is 730 ℃ that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 475mm, length 3200mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 428 ℃ of temperature ranges, and the solution treatment time is 18 hours, then carries out shrend, puts into the foundry goods after quenching in the resistance furnace of 200 ℃ artificial aging 40 hours, makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 420 ℃ of insulation 1.5h; Carry out two to hammer cogging, be forged into the slab that thickness is 45mm; Reduction in pass is 25%, and every 4 passages are forged after annealing 1.5h, and annealing temperature is 420 ℃; B. heated roll to temperature is 320 ℃; C. heating slab to temperature is 455 ℃, is incubated after 25 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 6mm thin plate, and the speed of rolls is 0.5 m/s; Every time rolling draught is 18%, after every time rolling, melts down annealing, and annealing temperature is 420 ℃, and annealing time is 36min;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 230 ℃, soaking time is 18h; At 197 ℃, carry out ageing treatment for the second time again, aging time is 18h; Finally at 145 ℃, carry out ageing treatment for the third time, aging time is 18h.
embodiment 3:
A magnesium alloy, contains according to weight percent content: Gd:0.38%, Al:2.8%, Zn:2.1%, Si:3.68%, Ca:0.9%, Sr:1.08%, Nd:0.37%, Zr:0.52%, Sn:0.85%, Be:0.125%, Mn:1.26%, Sb:0.23%, Cu:0.28%, surplus is Mg.
The preparation method of described magnesium alloy, comprises the following steps:
(1) raw material is prepared: according to weight percent content, carry out raw material preparation, described raw material is pure Mg ingot, Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy;
(2) melting: adopt gas atmosphere molten alloy in resistance furnace, smelting temperature is 45 ℃, first in smelting furnace, add pure Mg ingot, after pure magnesium ingot melts completely, add Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy, after all raw materials melt completely, stir, make alloying constituent even;
(3) refining: make smelting furnace be warming up to 780 ℃ of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 3.5 minutes, after refining is complete standing 6 minutes of 735 ℃ of insulations, the consisting of of described heat resistance magnesium alloy refining agent: NaCl:14.8%; Na3AlF6:8.5%; MgCl2:36%; Surplus is KCl;
(4) casting: it is that in the swage tool of 190 ℃, pouring temperature is 730 ℃ that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 450mm, length 3000mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 427 ℃ of temperature ranges, and the solution treatment time is 18 hours, then carries out shrend, puts into the foundry goods after quenching in the resistance furnace of 200 ℃ artificial aging 40 hours, makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 425 ℃ of insulation 1.5h; Carry out two to hammer cogging, be forged into the slab that thickness is 45mm; Reduction in pass is 30%, and every 5 passages are forged after annealing 1.5h, and annealing temperature is 420 ℃; B. heated roll to temperature is 320 ℃; C. heating slab to temperature is 455 ℃, is incubated after 25 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 4mm thin plate, and the speed of rolls is 0.5 m/s; Every time rolling draught is 15%, after every time rolling, melts down annealing, and annealing temperature is 420 ℃, and annealing time is 35min;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 230 ℃, soaking time is 15h; At 200 ℃, carry out ageing treatment for the second time again, aging time is 15h; Finally at 165 ℃, carry out ageing treatment for the third time, aging time is 16h.
the performance of the alloy that embodiment 1-3 obtains is listed in the table below
Claims (3)
1. a magnesium alloy, is characterized in that: according to weight percent content, contain: Gd:0.35-0.45%, Al:2.7-3.3%, Zn:2.0-2.15%, Si:3.65-3.75%, Ca:0.9-1.0%, Sr:1.05-1.1%, Nd:0.35-0.55%, Zr:0.45-0.654%, Sn:0.8-0.9%, Be:0.11-0.14%, Mn:1.1-1.3%, Sb:0.2-0.4%, Cu:0.25-0.31%, surplus is Mg.
2. magnesium alloy as claimed in claim 1, is characterized in that: according to weight percent content, contain: Gd:0.38%, Al:2.8%, Zn:2.1%, Si:3.68%, Ca:0.9%, Sr:1.08%, Nd:0.37%, Zr:0.52%, Sn:0.85%, Be:0.125%, Mn:1.26%, Sb:0.23%, Cu:0.28%, surplus is Mg.
3. a preparation method for the magnesium alloy as described in claim 1-2, is characterized in that:
(1) raw material is prepared: according to weight percent content, carry out raw material preparation, described raw material is pure Mg ingot, Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy;
(2) melting: adopt gas atmosphere molten alloy in resistance furnace, smelting temperature is 735-760 ℃, first in smelting furnace, add pure Mg ingot, after pure magnesium ingot melts completely, add Mg-Gd master alloy, pure Al ingot, pure Zn, Al-Si master alloy, Al-Ca master alloy, Al-Sr master alloy, Mg-Nd master alloy, Mg-Zr master alloy, pure Sn, Al-Be master alloy, Al-Mn master alloy, pure Sb, Al-Cu master alloy, after all raw materials melt completely, stir, make alloying constituent even;
(3) refining: make smelting furnace be warming up to 775 ℃～790 ℃ alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 1-4 minute, after refining is complete standing 5～8 minutes of 730 ℃～740 ℃ insulations, the consisting of of described heat resistance magnesium alloy refining agent: NaCl:11%～15%; Na3AlF6:8～10%; MgCl2:30-40%; Surplus is KCl;
(4) casting: it is that in the swage tool of 180～230 ℃, pouring temperature is 725 ℃～735 ℃ that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 450mm～Ф 500mm, length >=3000mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 425-430 ℃ of temperature range, and the solution treatment time is 16～24 hours, then carries out shrend, puts into the foundry goods after quenching in the resistance furnace of 200 ℃ artificial aging 40 hours, makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 400 ℃～440 ℃ insulation 1～2h; Carry out two to hammer cogging, be forged into the slab that thickness is 40-60mm; Reduction in pass is 20%～40%, and every 3-6 passage is forged after annealing 1.5h, and annealing temperature is 400 ℃～440 ℃; B. heated roll to temperature is 300-340 ℃; C. heating slab to temperature is 450-460 ℃, is incubated after 20-30 minute, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 2～10mm thin plate, and the speed of rolls is 0.4m/s～0.8 m/s; Every time rolling draught is 10%～20%, after every time rolling, melts down annealing, and annealing temperature is 400 ℃～440 ℃, and annealing time is 30min～40min;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 225-240 ℃, soaking time is 12-36h; At 195-210 ℃, carry out ageing treatment for the second time again, aging time is 12-36h; Finally at 140-170 ℃, carry out ageing treatment for the third time, aging time is 12-36h.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104099504A (en) * | 2014-08-06 | 2014-10-15 | 农彩丽 | High-strength magnesium alloy and production method thereof |
| CN104099505A (en) * | 2014-08-06 | 2014-10-15 | 农彩丽 | Wrought magnesium alloy and preparation method thereof |
| CN104099506A (en) * | 2014-08-06 | 2014-10-15 | 杨攀 | Multicomponent heat-resistant magnesium alloy and production method thereof |
| CN104264018A (en) * | 2014-10-31 | 2015-01-07 | 农彩丽 | Aluminum alloy and manufacturing method thereof |
| CN104278183A (en) * | 2014-10-31 | 2015-01-14 | 杨攀 | Die-casting magnesium alloy and preparation process thereof |
| CN104357716A (en) * | 2014-11-26 | 2015-02-18 | 农彩丽 | Heat-resistant and anti-creep aluminium-magnesium alloy and preparation process thereof |
| CN105220047A (en) * | 2015-10-22 | 2016-01-06 | 太原理工大学 | A kind of preparation method of rare earth enhanced magnesium-aluminum gadolinium tin alloy plate |
| CN105385921B (en) * | 2015-12-22 | 2017-05-31 | 太原理工大学 | A kind of preparation method of high-strength micro-alloy magnesium alloy ingot |
| CN109680194A (en) * | 2019-02-22 | 2019-04-26 | 山东省科学院新材料研究所 | A kind of high-intensitive extrudate preparation method of Mg-Zn-Sn-Mn alloy |
| TWI685572B (en) * | 2018-12-04 | 2020-02-21 | 國立中興大學 | Melting of pure silicon in liquid magnesium and a fabricating method of magnesium-based thermoelectric materials |
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| CN1386881A (en) * | 2002-04-16 | 2002-12-25 | 太原理工大学 | Pelletted Si-phase Mg-base alloy and its preparing process |
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| CN1386881A (en) * | 2002-04-16 | 2002-12-25 | 太原理工大学 | Pelletted Si-phase Mg-base alloy and its preparing process |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099504B (en) * | 2014-08-06 | 2016-08-17 | 王艳 | A kind of high-strength magnesium alloy and preparation method thereof |
| CN104099505A (en) * | 2014-08-06 | 2014-10-15 | 农彩丽 | Wrought magnesium alloy and preparation method thereof |
| CN104099506A (en) * | 2014-08-06 | 2014-10-15 | 杨攀 | Multicomponent heat-resistant magnesium alloy and production method thereof |
| CN104099504A (en) * | 2014-08-06 | 2014-10-15 | 农彩丽 | High-strength magnesium alloy and production method thereof |
| CN104099505B (en) * | 2014-08-06 | 2016-06-15 | 衢州市联橙环保科技有限公司 | A kind of wrought magnesium alloy and preparation method thereof |
| CN104264018A (en) * | 2014-10-31 | 2015-01-07 | 农彩丽 | Aluminum alloy and manufacturing method thereof |
| CN104278183A (en) * | 2014-10-31 | 2015-01-14 | 杨攀 | Die-casting magnesium alloy and preparation process thereof |
| CN104357716A (en) * | 2014-11-26 | 2015-02-18 | 农彩丽 | Heat-resistant and anti-creep aluminium-magnesium alloy and preparation process thereof |
| CN105220047A (en) * | 2015-10-22 | 2016-01-06 | 太原理工大学 | A kind of preparation method of rare earth enhanced magnesium-aluminum gadolinium tin alloy plate |
| CN105220047B (en) * | 2015-10-22 | 2017-03-08 | 太原理工大学 | A kind of preparation method of rare earth enhanced magnesium-aluminum gadolinium tin alloy plate |
| CN105385921B (en) * | 2015-12-22 | 2017-05-31 | 太原理工大学 | A kind of preparation method of high-strength micro-alloy magnesium alloy ingot |
| TWI685572B (en) * | 2018-12-04 | 2020-02-21 | 國立中興大學 | Melting of pure silicon in liquid magnesium and a fabricating method of magnesium-based thermoelectric materials |
| CN109680194A (en) * | 2019-02-22 | 2019-04-26 | 山东省科学院新材料研究所 | A kind of high-intensitive extrudate preparation method of Mg-Zn-Sn-Mn alloy |
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