CN104087803A - Creep resistant magnesium alloy and preparation method thereof - Google Patents
Creep resistant magnesium alloy and preparation method thereof Download PDFInfo
- Publication number
- CN104087803A CN104087803A CN201410361793.XA CN201410361793A CN104087803A CN 104087803 A CN104087803 A CN 104087803A CN 201410361793 A CN201410361793 A CN 201410361793A CN 104087803 A CN104087803 A CN 104087803A
- Authority
- CN
- China
- Prior art keywords
- master alloy
- pure
- alloy
- temperature
- refining
- 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
Links
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 110
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 109
- 239000011777 magnesium Substances 0.000 claims abstract description 27
- 238000007670 refining Methods 0.000 claims description 35
- 230000032683 aging Effects 0.000 claims description 30
- 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
- 229910052691 Erbium Inorganic materials 0.000 claims description 17
- 239000011575 calcium Substances 0.000 claims description 17
- 229910052715 tantalum Inorganic materials 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910018521 Al—Sb Inorganic materials 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 229910019086 Mg-Cu Inorganic materials 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
- 238000003756 stirring Methods 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 7
- 229910052689 Holmium Inorganic materials 0.000 claims description 7
- 229910052776 Thorium Inorganic materials 0.000 claims description 7
- 229910052775 Thulium Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052788 barium Inorganic materials 0.000 claims description 7
- 229910052790 beryllium Inorganic materials 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000005275 alloying Methods 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 238000005242 forging Methods 0.000 claims description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 5
- 239000001095 magnesium carbonate Substances 0.000 claims description 5
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 5
- 229960001708 magnesium carbonate Drugs 0.000 claims description 5
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 5
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 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
- 238000007669 thermal treatment Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006263 metalation reaction Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Forging (AREA)
Abstract
The invention provides a creep resistant magnesium alloy. The creep resistant magnesium alloy contains the following components by weight percent: 1.3-1.5% of Cu, 2.3-4.3% of Ca, 1.1-1.26% of Sc, 5.2-5.4% of Al, 3.2-3.8% of Rb, 0.1-0.4% of Ce, 3.2-3.8% of Be, 0.3-0.9% of Ho, 0.9-2.1% of Ta, 1.4-1.6% of Ba, 3.2-4.8% of Sb, 1.2-1.4% of Er, 0.4-0.6% of Tm, 0.7-0.9% of Th and the balance of Mg. The invention also provides a preparation method of the alloy. The alloy has good mechanical properties and creep resistance.
Description
Technical field
The invention belongs to magnesium alloy materials field, especially a kind of creep resistance Dow metal and preparation method thereof.
Background technology
Magnesium alloy is to add other elementary composition alloys taking magnesium as base.Be characterized in: density little (1.8g/cm3 magnesium alloy left and right), specific tenacity is high, larger than Young's modulus, good heat dissipation, shock absorbing is good, and the loading capacity that withstands shocks is larger than aluminium alloy, the corrosive nature of resistance to organism and alkali is well easy to recycle simultaneously, so be described as 21 century " green structured material ".But at present because the high-temperature creep resistance of existing magnesium alloy is poor, long term operation temperature can not exceed 120 DEG C, has therefore greatly hindered the further application of magnesium alloy.Also just because of like this, given great attention for the research and development of the heat resistance magnesium alloy with high-temperature creep resistance both at home and abroad, and the heat resistance magnesium alloy of multi-series has been studied in successively trial-production.But, in the heat resistance magnesium alloy of research, really obtain practical application seldom, even and these heat resistance magnesium alloys that are applied also make its application be subject to restriction in various degree because there is different separately problems.Therefore, be necessary the further novel heat resistance magnesium alloy of research and development.
Summary of the invention
The object of this invention is to provide a kind of creep resistance Dow metal.It can meet higher force learns the requirement of performance and high-temperature creep resistance, has the corrosion resistance more much higher than existing magnesium alloy.
Another object of the present invention is to provide a kind of preparation method of creep resistance Dow metal.
For reaching this object, the present invention by the following technical solutions:
A kind of creep resistance Dow metal, contains according to weight percent content: Cu:1.3-1.5%, Ca:2.3-4.3%, Sc:1.1-1.26%, Al:5.2-5.4%, Rb:3.2-3.8%, Ce:0.1-0.4%, Be:3.2-3.8%, Ho:0.3-0.9%, Ta:0.9-2.1%, Ba:1.4-1.6%, Sb:3.2-4.8%, Er:1.2-1.4%, Tm:0.4-0.6%, Th:0.7-0.9%, surplus is Mg.
Further, contain according to weight percent content: Cu:1.5%, Ca:4.3%, Sc:1.26%, Al:5.4%, Rb:3.8%, Ce:0.4%, Be:3.8%, Ho:0.9%, Ta:2.1%, Ba:1.6%, Sb:4.8%, Er:1.4%, Tm:0.6%, Th:0.9%, surplus is Mg.
The preparation method that described creep resistance magnesium closes, comprises the following steps:
(1) raw material is prepared: carry out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy;
(2) melting: resistance furnace is preheated to 450～500 DEG C, then put into pure Mg ingot, heat simultaneously and pass into argon shield atmosphere, treat that pure magnesium ingot melts completely, temperature rises to 900～980 DEG C, add again Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy, after melting completely, stir all raw materials, make alloying constituent even,
(3) refining: make smelting furnace be warming up to 820～860 DEG C of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 12～20 minutes, after refining is complete, leave standstill 10～20 minutes, the consisting of of described refining agent of Mg alloy 800～820 DEG C of insulations: calcium carbonate: 18～26%; Magnesiumcarbonate: 35～45%; Surplus is manganous carbonate;
(4) casting: it is that in the swage tool of 450～500 DEG C, pouring temperature is 810～830 DEG C that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 800mm, and length is 6000mm;
(5) thermal treatment: foundry goods is carried out to solution treatment in 480-500 DEG C of temperature range, the solution treatment time is 30～36 hours, then carry out shrend, the foundry goods after quenching is put in the resistance furnace of 300 DEG C to artificial aging 36 hours, make magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 560～760 DEG C of insulation 3～4h; Carry out two to hammer cogging, be forged into the slab that thickness is 70～80mm; Reduction in pass is 15～17%, and every 1 passage is forged after annealing 1.0h, and annealing temperature is 600～620 DEG C; B. heated roll to temperature is 400～420 DEG C; C. heating slab to temperature is 500～510 DEG C, is incubated after 40～60 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 50～60mm thin plate, and the speed of rolls is 1m/s～1.2m/s; Every time rolling draught is 15～17%, after every time rolling, melts down annealing, and annealing temperature is 500～530 DEG C, and annealing time is 50～60 minutes;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 320～350 DEG C, soaking time is 40～45h; Carry out ageing treatment for the second time at 220～280 DEG C again, aging time is 40～45h.
Advantage of the present invention is: magnesium alloy of the present invention can meet the requirement of higher force performance and high-temperature creep resistance, has the corrosion resistance more much higher than existing magnesium alloy.
Embodiment
embodiment 1
A kind of creep resistance Dow metal, contains according to weight percent content: a kind of creep resistance Dow metal, contains according to weight percent content: Cu:1.3%, Ca:2.3%, Sc:1.1%, Al:5.2%, Rb:3.2%, Ce:0.1%, Be:3.2%, Ho:0.3%, Ta:0.9%, Ba:1.4%, Sb:3.2%, Er:1.2%, Tm:0.4%, Th:0.7%, surplus is Mg, its preparation method comprises the following steps:
(1) raw material is prepared: carry out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy;
(2) melting: resistance furnace is preheated to 450 DEG C, then put into pure Mg ingot, heat simultaneously and pass into argon shield atmosphere, treat that pure magnesium ingot melts completely, temperature rises to 900 DEG C, add again Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy, after melting completely, stir all raw materials, make alloying constituent even,
(3) refining: make smelting furnace be warming up to 820 DEG C of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 12 minutes, leaves standstill 10 minutes, the consisting of of described refining agent of Mg alloy: calcium carbonate: 18% after refining is complete 800 DEG C of insulations; Magnesiumcarbonate: 35%; Surplus is manganous carbonate;
(4) casting: it is that in the swage tool of 450 DEG C, pouring temperature is 810 DEG C that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 800mm, and length is 6000mm;
(5) thermal treatment: foundry goods is carried out to solution treatment in 480 DEG C of temperature ranges, and the solution treatment time is 30 hours, then carries out shrend, puts in the resistance furnace of 300 DEG C artificial aging 36 hours by the foundry goods after quenching, and makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 560 DEG C of insulation 3h; Carry out two to hammer cogging, be forged into the slab that thickness is 70mm; Reduction in pass is 15%, and every 1 passage is forged after annealing 1.0h, and annealing temperature is 600 DEG C; B. heated roll to temperature is 400 DEG C; C. heating slab to temperature is 500 DEG C, is incubated after 40 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 50mm thin plate, and the speed of rolls is 1m/s; Every time rolling draught is 15%, after every time rolling, melts down annealing, and annealing temperature is 500 DEG C, and annealing time is 50 minutes;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 320 DEG C, soaking time is 40h; Carry out ageing treatment for the second time at 220 DEG C again, aging time is 40h.
embodiment 2:
A kind of creep resistance Dow metal, contains according to weight percent content: Cu:1.4%, Ca:3.3%, Sc:1.2%, Al:5.3%, Rb:3.5%, Ce:0.2%, Be:3.6%, Ho:0.6%, Ta:2.0%, Ba:1.5%, Sb:4.0%, Er:1.3%, Tm:0.5%, Th:0.8%, surplus is Mg, and the preparation method that described creep resistance magnesium closes, comprises the following steps:
(1) raw material is prepared: carry out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy;
(2) melting: resistance furnace is preheated to 475 DEG C, then put into pure Mg ingot, heat simultaneously and pass into argon shield atmosphere, treat that pure magnesium ingot melts completely, temperature rises to 940 DEG C, add again Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy, after melting completely, stir all raw materials, make alloying constituent even,
(3) refining: make smelting furnace be warming up to 840 DEG C of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 16 minutes, leaves standstill 15 minutes, the consisting of of described refining agent of Mg alloy: calcium carbonate: 22% after refining is complete 810 DEG C of insulations; Magnesiumcarbonate: 40%; Surplus is manganous carbonate;
(4) casting: it is that in the swage tool of 475 DEG C, pouring temperature is 820 DEG C that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 800mm, and length is 6000mm;
(5) thermal treatment: foundry goods is carried out to solution treatment in 490 DEG C of temperature ranges, and the solution treatment time is 33 hours, then carries out shrend, puts in the resistance furnace of 300 DEG C artificial aging 36 hours by the foundry goods after quenching, and makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 710 DEG C of insulation 3.5h; Carry out two to hammer cogging, be forged into the slab that thickness is 75mm; Reduction in pass is 16%, and every 1 passage is forged after annealing 1.0h, and annealing temperature is 610 DEG C; B. heated roll to temperature is 410 DEG C; C. heating slab to temperature is 505 DEG C, is incubated after 50 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 55mm thin plate, and the speed of rolls is 1.6m/s; Every time rolling draught is 16%, after every time rolling, melts down annealing, and annealing temperature is 515 DEG C, and annealing time is 55 minutes;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 335 DEG C, soaking time is 43h; Carry out ageing treatment for the second time at 250 DEG C again, aging time is 43h.
embodiment 3:
A kind of creep resistance Dow metal, contains according to weight percent content: Cu:1.5%, Ca:4.3%, Sc:1.26%, Al:5.4%, Rb:3.8%, Ce:0.4%, Be:3.8%, Ho:0.9%, Ta:2.1%, Ba:1.6%, Sb:4.8%, Er:1.4%, Tm:0.6%, Th:0.9%, surplus is Mg.The preparation method that described creep resistance magnesium closes, comprises the following steps:
(1) raw material is prepared: carry out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy;
(2) melting: resistance furnace is preheated to 500 DEG C, then put into pure Mg ingot, heat simultaneously and pass into argon shield atmosphere, treat that pure magnesium ingot melts completely, temperature rises to 980 DEG C, add again Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy, after melting completely, stir all raw materials, make alloying constituent even,
(3) refining: make smelting furnace be warming up to 860 DEG C of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 20 minutes, leaves standstill 20 minutes, the consisting of of described refining agent of Mg alloy: calcium carbonate: 26% after refining is complete 820 DEG C of insulations; Magnesiumcarbonate: 45%; Surplus is manganous carbonate;
(4) casting: it is that in the swage tool of 500 DEG C, pouring temperature is 830 DEG C that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 800mm, and length is 6000mm;
(5) thermal treatment: foundry goods is carried out to solution treatment in 500 DEG C of temperature ranges, and the solution treatment time is 36 hours, then carries out shrend, puts in the resistance furnace of 300 DEG C artificial aging 36 hours by the foundry goods after quenching, and makes magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 760 DEG C of insulation 4h; Carry out two to hammer cogging, be forged into the slab that thickness is 80mm; Reduction in pass is 17%, and every 1 passage is forged after annealing 1.0h, and annealing temperature is 620 DEG C; B. heated roll to temperature is 420 DEG C; C. heating slab to temperature is 510 DEG C, is incubated after 60 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 60mm thin plate, and the speed of rolls is 1.2m/s; Every time rolling draught is 17%, after every time rolling, melts down annealing, and annealing temperature is 530 DEG C, and annealing time is 60 minutes;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 350 DEG C, soaking time is 45h; Carry out ageing treatment for the second time at 280 DEG C again, aging time is 40-45h.
the performance of the alloy that embodiment 1-3 obtains is listed in the table below
Claims (3)
1. a creep resistance Dow metal, is characterized in that, contains according to weight percent content: Cu:1.3-1.5%, Ca:2.3-4.3%, Sc:1.1-1.26%, Al:5.2-5.4%, Rb:3.2-3.8%, Ce:0.1-0.4%, Be:3.2-3.8%, Ho:0.3-0.9%, Ta:0.9-2.1%, Ba:1.4-1.6%, Sb:3.2-4.8%, Er:1.2-1.4%, Tm:0.4-0.6%, Th:0.7-0.9%, surplus is Mg.
2. the creep resistance Dow metal as described in claim 1-2, is characterized in that: contain according to weight percent content: Cu:1.5%, Ca:4.3%, Sc:1.26%, Al:5.4%, Rb:3.8%, Ce:0.4%, Be:3.8%, Ho:0.9%, Ta:2.1%, Ba:1.6%, Sb:4.8%, Er:1.4%, Tm:0.6%, Th:0.9%, surplus is Mg.
3. the preparation method of the high hardness magnesium alloy as described in claim 1-2, is characterized in that:
(1) raw material is prepared: carry out raw material preparation according to weight percent content, described raw material is pure Mg ingot, Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy;
(2) melting: resistance furnace is preheated to 450～500 DEG C, then put into pure Mg ingot, heat simultaneously and pass into argon shield atmosphere, treat that pure magnesium ingot melts completely, temperature rises to 900～980 DEG C, add again Mg-Cu master alloy, pure Al ingot, pure Sc, Al-Ca master alloy, Al-Rb master alloy, Al-Ce master alloy, Mg-Be master alloy, Mg-Ho master alloy, pure Ta, Al-Ba master alloy, Al-Sb master alloy, pure Er, Al-Tm master alloy, Al-Th master alloy, after melting completely, stir all raw materials, make alloying constituent even,
(3) refining: make smelting furnace be warming up to 820～860 DEG C of alloys and carry out refining, add while stirring heat resistance magnesium alloy refining agent, refining time is 12～20 minutes, after refining is complete, leave standstill 10～20 minutes, the consisting of of described refining agent of Mg alloy 800～820 DEG C of insulations: calcium carbonate: 18～26%; Magnesiumcarbonate: 35～45%; Surplus is manganous carbonate;
(4) casting: it is that in the swage tool of 450～500 DEG C, pouring temperature is 810～830 DEG C that the magnesium alloy refining material of melting is cast to preheating temperature; Foundry goods specification is Ф 800mm, and length is 6000mm
(5) thermal treatment: foundry goods is carried out to solution treatment in 480-500 DEG C of temperature range, the solution treatment time is 30～36 hours, then carry out shrend, the foundry goods after quenching is put in the resistance furnace of 300 DEG C to artificial aging 36 hours, make magnesium alloy blank;
(6) deformation process: a. high temperature forging cogging: heating blank to temperature is 560～760 DEG C of insulation 3～4h; Carry out two to hammer cogging, be forged into the slab that thickness is 70～80mm; Reduction in pass is 15～17%, and every 1 passage is forged after annealing 1.0h, and annealing temperature is 600～620 DEG C; B. heated roll to temperature is 400～420 DEG C; C. heating slab to temperature is 500～510 DEG C, is incubated after 40～60 minutes, adopts the method for multi-pass small deformation amount that heavy plate rolling is become to 50～60mm thin plate, and the speed of rolls is 1m/s～1.2m/s; Every time rolling draught is 15～17%, after every time rolling, melts down annealing, and annealing temperature is 500～530 DEG C, and annealing time is 50～60 minutes;
(7) roll postheat treatment: the thin plate after rolling is carried out to ageing treatment, and described aging treatment process is: aging temp is 320～350 DEG C, soaking time is 40～45h; Carry out ageing treatment for the second time at 220～280 DEG C again, aging time is 40～45h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361793.XA CN104087803B (en) | 2014-07-28 | 2014-07-28 | A kind of creep resistance Dow metal and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361793.XA CN104087803B (en) | 2014-07-28 | 2014-07-28 | A kind of creep resistance Dow metal and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104087803A true CN104087803A (en) | 2014-10-08 |
| CN104087803B CN104087803B (en) | 2016-08-24 |
Family
ID=51635559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361793.XA Active CN104087803B (en) | 2014-07-28 | 2014-07-28 | A kind of creep resistance Dow metal and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104087803B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132768A (en) * | 2015-08-21 | 2015-12-09 | 苏州莱特复合材料有限公司 | Anti-impact titanium magnesium alloy material and preparing method thereof |
| CN105349857A (en) * | 2015-11-03 | 2016-02-24 | 陈薇 | Magnesium alloy heat dissipation material suitable for LED and preparing method and application of magnesium alloy heat dissipation material |
| CN107385297A (en) * | 2017-09-18 | 2017-11-24 | 广州宇智科技有限公司 | One kind has the single-phase α magnesium lithium alloys of excellent high temperature mechanical property and its processing technology |
| CN108097722A (en) * | 2017-12-08 | 2018-06-01 | 宁波江丰电子材料股份有限公司 | A kind of Al-Sc alloy target materials forming method |
| CN109554646A (en) * | 2019-01-02 | 2019-04-02 | 中南大学 | A method of improving magnesium-rare earth high temperature creep-resistant property using secondary ageing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524113A (en) * | 1939-01-23 | 1940-07-30 | Tennyson Fraser Bradbury | Magnesium alloy |
| GB560108A (en) * | 1942-03-03 | 1944-03-21 | Tennyson Fraser Bradbury | Magnesium alloy |
| CN101173337A (en) * | 2006-10-31 | 2008-05-07 | 北京有色金属研究总院 | Low cost creep resistanct magnesium alloy and method for producing the same |
| CN101250656A (en) * | 2008-03-20 | 2008-08-27 | 上海交通大学 | Creep resistance magnesium alloy and manufacture method thereof |
| CN101676423A (en) * | 2008-08-26 | 2010-03-24 | Gkss-盖斯特哈赫特研究中心有限责任公司 | Creep-resistant magnesium alloy |
-
2014
- 2014-07-28 CN CN201410361793.XA patent/CN104087803B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524113A (en) * | 1939-01-23 | 1940-07-30 | Tennyson Fraser Bradbury | Magnesium alloy |
| GB560108A (en) * | 1942-03-03 | 1944-03-21 | Tennyson Fraser Bradbury | Magnesium alloy |
| CN101173337A (en) * | 2006-10-31 | 2008-05-07 | 北京有色金属研究总院 | Low cost creep resistanct magnesium alloy and method for producing the same |
| CN101250656A (en) * | 2008-03-20 | 2008-08-27 | 上海交通大学 | Creep resistance magnesium alloy and manufacture method thereof |
| CN101676423A (en) * | 2008-08-26 | 2010-03-24 | Gkss-盖斯特哈赫特研究中心有限责任公司 | Creep-resistant magnesium alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132768A (en) * | 2015-08-21 | 2015-12-09 | 苏州莱特复合材料有限公司 | Anti-impact titanium magnesium alloy material and preparing method thereof |
| CN105349857A (en) * | 2015-11-03 | 2016-02-24 | 陈薇 | Magnesium alloy heat dissipation material suitable for LED and preparing method and application of magnesium alloy heat dissipation material |
| CN107385297A (en) * | 2017-09-18 | 2017-11-24 | 广州宇智科技有限公司 | One kind has the single-phase α magnesium lithium alloys of excellent high temperature mechanical property and its processing technology |
| CN108097722A (en) * | 2017-12-08 | 2018-06-01 | 宁波江丰电子材料股份有限公司 | A kind of Al-Sc alloy target materials forming method |
| CN109554646A (en) * | 2019-01-02 | 2019-04-02 | 中南大学 | A method of improving magnesium-rare earth high temperature creep-resistant property using secondary ageing |
| CN109554646B (en) * | 2019-01-02 | 2020-09-01 | 中南大学 | Method for improving high-temperature creep resistance of rare earth magnesium alloy by secondary aging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104087803B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101914710B (en) | Manufacture method of aluminum alloy sheet for high-speed train structure | |
| CN103710600B (en) | A kind of boron nitride strengthens multicomponent heat-resistant magnesium alloy and preparation method thereof | |
| CN103695743B (en) | A kind of magnesium alloy and preparation method thereof | |
| CN103740992B (en) | A kind of multicomponent heat-resistant magnesium alloy and preparation method thereof | |
| CN101935786B (en) | Stabilizing processing method of 5052 aluminium alloy | |
| CN103276264B (en) | Low-cost and high-heat-strength wrought magnesium alloy and preparation method thereof | |
| CN102534304B (en) | Preparation method of high-strength zinc-aluminum alloy bar | |
| CN104087803B (en) | A kind of creep resistance Dow metal and preparation method thereof | |
| CN101736183A (en) | Preparation method of superplastic aluminum alloy plates for track traffic | |
| CN104087802A (en) | Enhanced magnesium alloy and preparation method thereof | |
| CN103667840A (en) | Nanoparticle reinforced polybasic heat-insulating magnesium alloy and preparation method thereof | |
| CN102433478B (en) | Magnesium alloy with good millability and preparation method of magnesium alloy plate | |
| CN104357771B (en) | Cold rolling thermal treatment process for improving bending property of aluminum magnesium alloy | |
| CN103667839A (en) | Nanoparticle reinforced creep-resistant magnesium alloy and preparation method thereof | |
| CN109536803B (en) | High-ductility low-rare earth magnesium alloy plate and preparation method thereof | |
| CN110343919A (en) | A kind of aluminium alloy and preparation method thereof that the big intensity of light weight hardness is high | |
| CN103695742B (en) | A kind of creep resistance Dow metal and preparation method thereof | |
| CN107338379A (en) | A kind of magnesium Tin-zinc-aluminium manganese wrought magnesium alloy and preparation method thereof | |
| CN102581000B (en) | Production method for rolling and cogging big cast ingot of high-carbon high-alloy cold-working die steel | |
| CN104099506A (en) | Multicomponent heat-resistant magnesium alloy and production method thereof | |
| CN104357716A (en) | Heat-resistant and anti-creep aluminium-magnesium alloy and preparation process thereof | |
| CN104263992A (en) | Cu-Ag alloy material for motor communtator and preparation method of Cu-Ag alloy material | |
| CN104073701A (en) | Novel reinforced magnesium alloy and manufacture method thereof | |
| CN103695744B (en) | A kind of nano-particle reinforcement magnesium alloy and preparation method thereof | |
| CN103710601A (en) | Hot-rolled magnesium-zinc alloy sheet and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Lianhai Inventor before: Nong Caili |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160614 Address after: 703, room 118, block H, No. three, 523073 East Canal Road, Nancheng, Dongguan, Guangdong Applicant after: Wang Yuqing Address before: 511400 Guangdong city of Guangzhou province Nansha District Huang Ge Zhen Dong Li Cun is No. 13 Applicant before: Nong Caili |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180614 Address after: 264200 Shandong Weihai torch high tech Industrial Development Zone Torch Road -213-1 innovation and entrepreneurship base C block 101 Patentee after: Weihai Rui Xin Feng metal Technology Co., Ltd. Address before: 523073 703, H block, Yanhe three, 118 Canal East Road, Nancheng District, Dongguan, Guangdong. Patentee before: Wang Yuqing |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A creep resistant magnesium alloy and its preparation method Effective date of registration: 20201210 Granted publication date: 20160824 Pledgee: China Construction Bank Corporation Weihai high tech sub branch Pledgor: WEIHAI RUIXINFENG METAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980009106 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |