CN104789849A - Material for magnesium alloy doors and windows and production method of material - Google Patents
Material for magnesium alloy doors and windows and production method of material Download PDFInfo
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Abstract
The invention discloses a material for magnesium alloy doors and windows. The material for the magnesium alloy doors and windows is composed of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co and a rare earth element, wherein the rare earth element is composed of Ce, Nd, Gd, Pr, Dy, Yb, La and Sm; the invention further discloses a production method of the material for the magnesium alloy doors and windows, and the method comprises the following steps: smelting, heat treatment, forging, quenching and tempering heat treatment, cooling, checking and storing, the production method is simple and easy, the manufacturing cost is low, and the produced material for the magnesium alloy doors and windows is excellent in corrosion resistance, can resist high temperature, is solderable, and has a prolonged service life.
Description
Technical field
The present invention relates to a kind of sash stuff and production method thereof, be specifically related to one and belong to magnesium alloy sash stuff and production method thereof.
Background technology
Along with the household mode of people's life becomes increasingly abundant various, door and window is progressively capturing and is expanding its market, sash stuff more is in the market based on aluminium alloy, color steel, PVC material, and aluminium alloy is because both artistic and practical and be subject to the favor in market after higher, lightweight, not aging, the color coating of its hardness, the market requirement is more and more vigorous, but the workhardness of traditional aluminium alloy is too high, plasticity is poor, difficulty of processing is relatively large, product price apparently higher than the common plate section product of similar aluminium alloy, thus has influence on it and promotes the use of.
Magnesium alloy has low density, specific tenacity, specific rigidity are high, damping shock absorption is good, excellent machinability becomes one of focus of recent domestic material circle research, but how to improve the over-all properties of wrought magnesium alloys further, meet some structural part with magnesium for aluminium, the even performance requriements of Dai Gang, reduce anisotropy, improve the temperature-room type plasticity crystallized ability of magnesium alloy, simplify product preparation process, enhance productivity, reduce production cost, the range of application expanding magnesium alloy is the Main way of research both at home and abroad.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming that above prior art exists, a kind of magnesium alloy door and window material and production method thereof are proposed, this magnesium alloy door and window material has good erosion resistance, high thermal resistance, weldability, improve work-ing life, this production method is simple, with low cost.
The technical scheme that the present invention solves above technical problem is:
A kind of magnesium alloy door and window material, this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is:
Al:15-20%, Mn:5-8%, Zn:10-15%, Cu:1-3%, Ni:2-3%, Sc:1-3%, P:0.5-1.0%, Zr:5-9%, Y:2-5%, Ca:8-11%, Sr:2-5%, B:4-7%, Co:2-4%, rare earth element 1-3%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:10-15%, Nd:15-18%, Gd:14-20%, Pr:8-12%, Dy:5-9%, Yb:3-5%, La:15-20%, Sm:7-15%.
The further technical scheme of the present invention is:
In aforementioned magnesium alloy door and window material, this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:15%, Mn:7%, Zn:10%, Cu:1%, Ni:2%, Sc:2%, P:0.5%, Zr:9%, Y:3%, Ca:8%, Sr:4%, B:4%, Co:2%, rare earth element 3%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:10%, Nd:18%, Gd:17%, Pr:11%, Dy:9%, Yb:5%, La:15 %, Sm:15%.
In aforementioned magnesium alloy door and window material, this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:20%, Mn:8%, Zn:12%, Cu:3%, Ni:3%, Sc:3%, P:1.0%, Zr:7%, Y:5%, Ca:11%, Sr:5%, B:7%, Co:4%, rare earth element 1%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:15%, Nd:15%, Gd:20%, Pr:8%, Dy:8%, Yb:4%, La:20%, Sm:10%.
In aforementioned magnesium alloy door and window material, this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:18%, Mn:5%, Zn:10%, Cu:2%, Ni:2%, Sc:1%, P:0.8%, Zr:5%, Y:2%, Ca:10%, Sr:2%, B:6%, Co:3%, rare earth element 2%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:14%, Nd:17%, Gd:14%, Pr:12%, Dy:9%, Yb:5%, La:19%, Sm:10%.
The present invention also designs a kind of production method of magnesium alloy door and window material, operates by following concrete steps:
(1) smelting furnace preheating 10-15min is opened, using above-mentioned Chemical Composition as raw material add Mg, Al, Mn, Ni, Sc, P, Zr, Y, Co wherein and, allocate according to component concentration, raw material is placed in plumbago crucible, then the plumbago crucible that raw material is housed is put into preheated smelting furnace, pass into SF6 and CO2 hybrid protection gas simultaneously;
In smelting furnace, add Zn, Cu, Ca, Sr, B and rare earth element, melting at 800-900 DEG C, after alloying element melts completely, stir 10-15min, keep 720 DEG C of standing 20-30min;
Poured in the metal die being preheating to 200-300 DEG C by aluminium alloy, obtaining high is 150-200mm, and diameter is the ingot casting of 100-120mm;
(2) heat-treat technique to the ingot casting prepared, concrete operations are as follows:
A anneals, and ingot furnace heat is incubated 9-11min to during 400-500 DEG C, and then stove is cooled to 250-260 DEG C, opens fire door subsequently and continues slow cooling to 100-150 DEG C of air cooling of coming out of the stove to room temperature;
B quenches, and the ingot casting slow stove heat after annealing in step a is incubated 0.5-1h to 500-520 DEG C, again stove heat to after 550-560 DEG C with high pressure spray jetting ingot casting fast cooling;
C tempering, by through quenching after ingot casting at room temperature again enter stove and stove heat to 220-240 DEG C after be incubated 10-15min after come out of the stove air cooling to room temperature;
(3) obtaining high after lathe peeling by the ingot casting after thermal treatment is 100-120mm, and diameter is the blank of 80-100mm, forges blank, and blocking temperature is 650-700 DEG C, and final forging temperature is 800-820 DEG C, naturally cools to room temperature and obtains work in-process;
(4) Tempering and Quenching is carried out to the work in-process after forging, work in-process after Tempering and Quenching are cooled to room temperature through refrigerating work procedure, obtain the bar that diameter is 15-20mm, bar is checked one by one, reject surperficial defective bar, the bar be up to the standards is door and window material silk ribbon carry out bundling and weigh, finally puts in storage, wherein:
Refrigerating work procedure comprises first refrigerating work procedure and the concrete operations of second refrigerating work procedure are:
First refrigerating work procedure is: on cooling bed, carry out air cooling to work in-process, first with the speed of cooling of 5-8 per second DEG C, work in-process is cooled to 400-450 DEG C, and then progressively cools to room temperature;
Second refrigerating work procedure is: adopt water-cooled to be combined with air cooling, first adopt water-cooled with the rate of cooling of 2.8-3.5 DEG C/s by work in-process water-cooled to 320-350 DEG C, then air cooling is to 200-220 DEG C, adopt again water-cooled with the rate of cooling of 3.0-3.7 DEG C/s by work in-process water-cooled to 150-170 DEG C, last air cooling is to room temperature.
The further technical scheme of the present invention is:
In the production method of aforementioned magnesium alloy door and window material, in step (3), before blank is forged, first preheating is carried out to forging die, be preheated to 150-175 DEG C, and adopt mould tenderizer to lubricate forging die.
In the production method of aforementioned magnesium alloy door and window material, the concrete operations of Tempering and Quenching are: adopt a normalizing and tempering combination to carry out, normalizing: formal fiery temperature 750-770 DEG C, is incubated 10-15min after temperature; A tempering: adopt zone heating, first paragraph Heating temperature is 800-840 DEG C, is incubated 13-17min after temperature, and second segment Heating temperature is 820-860 DEG C, and be incubated 5-10min after temperature, then air cooling is to room temperature.
The invention has the beneficial effects as follows:
The present invention adopts magnesium alloy as the material of door and window, more lightweight, and reduce the discharge of greenhouse gases while save energy, magnesium is insoluble to basic solution, and the erosion resistance of magnesium alloy is better at typical condition.
Material of the present invention is with the addition of a small amount of Cu, Ni, Sc, Cu cost is low, the heat sensitivity of magnesium alloy can be reduced, put forward heavy alloyed weldability, but these elements have added the erosion resistance that can reduce magnesium, so strictly will control their content, avoid the material corrosion-resistant prepared, work-ing life is short.
Alloying is one of effective way improving Properties of Magnesium Alloy, rare earth element is because having unique configuration of extra-nuclear electron, in metallurgical process, it can purify shop body, improve tissue, put forward heavy alloyed room temperature and high-temperature behavior, strengthen the resistance to candle of alloy, add rare earth element ce in magnesium alloy and can improve alloy initial stage melting temperature, this show rare earth element ce add can potential raising magnesium alloy squeeze, Nd realizes Dynamic Precipitation and stops grain growth, thus the mechanical property improved after extruding, Gd, Ce improves alloy incipient melting temperature, improve unit elongation and the extrusion speed of magnesium alloy.
The present invention, by Tempering and Quenching coordination of processes refrigerating work procedure, can make surface of semi-finished produce the thick tempered martensite of 3-5 mm, its water erosion resistent ability effectively improved; After normalizing, tempering reduces the difference of the temperature in surface and heart portion further, thus surface to heart portion performance is reached unanimity; Cool after tempering, the method that the second refrigerating work procedure is wherein combined with air cooling by water-cooled, first with speed of cooling water-cooled faster, then carry out air cooling, finally pass through slower cooling by water again to room temperature, not only can put forward half-finished water erosion resistent ability, and can make to organize more uniform and stable, seldom there is pore and trachoma, ensure that half-finished corrosion resistance, serve beyond thought technique effect.
Embodiment
embodiment 1
The present embodiment provides a kind of magnesium alloy door and window material, and this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:15%, Mn:7%, Zn:10%, Cu:1%, Ni:2%, Sc:2%, P:0.5%, Zr:9%, Y:3%, Ca:8%, Sr:4%, B:4%, Co:2%, rare earth element 3%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:10%, Nd:18%, Gd:17%, Pr:11%, Dy:9%, Yb:5%, La:15 %, Sm:15%.
The production method of above-mentioned magnesium alloy door and window material, operates by following concrete steps:
(1) smelting furnace preheating 13min is opened, using above-mentioned Chemical Composition as raw material add Mg, Al, Mn, Ni, Sc, P, Zr, Y, Co wherein and, allocate according to component concentration, raw material is placed in plumbago crucible, then the plumbago crucible that raw material is housed is put into preheated smelting furnace, pass into SF6 and CO2 hybrid protection gas simultaneously;
In smelting furnace, add Zn, Cu, Ca, Sr, B and rare earth element, melting at 800 DEG C, after alloying element melts completely, stir 15min, keep 720 DEG C of standing 25min;
Poured in the metal die being preheating to 200 DEG C by aluminium alloy, obtaining high is 150mm, and diameter is the ingot casting of 100mm;
(2) heat-treat technique to the ingot casting prepared, concrete operations are as follows:
A anneals, and ingot furnace heat is incubated 11min to when 450 DEG C, and then stove is cooled to 260 DEG C, opens fire door continuation slow cooling to 150 DEG C subsequently and comes out of the stove air cooling to room temperature;
B quenches, and the ingot casting slow stove heat after annealing in step a is incubated 0.8h to 510 DEG C, again stove heat to after 550 DEG C with high pressure spray jetting ingot casting fast cooling;
C tempering, by through quenching after ingot casting at room temperature again enter stove and stove heat to 220 DEG C after be incubated 15min after come out of the stove air cooling to room temperature;
(3) being obtained by the ingot casting after thermal treatment high after lathe peeling is 100mm, diameter is the blank of 90mm, blank is forged, before blank is forged, first preheating is carried out to forging die, be preheated to 175 DEG C, and adopt mould tenderizer to lubricate forging die, blocking temperature is 700 DEG C, and final forging temperature is 810 DEG C, naturally cools to room temperature and obtains work in-process;
(4) Tempering and Quenching is carried out to the work in-process after forging, work in-process after Tempering and Quenching are cooled to room temperature through refrigerating work procedure, obtain the bar that diameter is 15mm, bar is checked one by one, reject surperficial defective bar, the bar be up to the standards is door and window material silk ribbon carry out bundling and weigh, finally puts in storage, wherein:
The concrete operations of Tempering and Quenching are: adopt a normalizing and tempering combination to carry out, normalizing: formal fiery temperature 750 DEG C, is incubated 13min after temperature; A tempering: adopt zone heating, first paragraph Heating temperature is 825 DEG C, is incubated 17min after temperature, and second segment Heating temperature is 860 DEG C, and be incubated 5min after temperature, then air cooling is to room temperature;
Refrigerating work procedure comprises first refrigerating work procedure and the concrete operations of second refrigerating work procedure are:
First refrigerating work procedure is: on cooling bed, carry out air cooling to work in-process, first with the speed of cooling of 5 DEG C per second, work in-process is cooled to 450 DEG C, and then progressively cools to room temperature;
Second refrigerating work procedure is: adopt water-cooled to be combined with air cooling, first adopt water-cooled with the rate of cooling of 2.8 DEG C/s by work in-process water-cooled to 350 DEG C, then air cooling to 220 DEG C, then adopt water-cooled with the rate of cooling of 3.0 DEG C/s by work in-process water-cooled to 160 DEG C, last air cooling is to room temperature.
embodiment 2
The present embodiment provides a kind of magnesium alloy door and window material, and this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:20%, Mn:8%, Zn:12%, Cu:3%, Ni:3%, Sc:3%, P:1.0%, Zr:7%, Y:5%, Ca:11%, Sr:5%, B:7%, Co:4%, rare earth element 1%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:15%, Nd:15%, Gd:20%, Pr:8%, Dy:8%, Yb:4%, La:20%, Sm:10%.
The production method of above-mentioned magnesium alloy door and window material, operates by following concrete steps:
(1) smelting furnace preheating 10min is opened, using above-mentioned Chemical Composition as raw material add Mg, Al, Mn, Ni, Sc, P, Zr, Y, Co wherein and, allocate according to component concentration, raw material is placed in plumbago crucible, then the plumbago crucible that raw material is housed is put into preheated smelting furnace, pass into SF6 and CO2 hybrid protection gas simultaneously;
In smelting furnace, add Zn, Cu, Ca, Sr, B and rare earth element, melting at 900 DEG C, after alloying element melts completely, stir 10min, keep 720 DEG C of standing 20min;
Poured in the metal die being preheating to 300 DEG C by aluminium alloy, obtaining high is 200mm, and diameter is the ingot casting of 120mm;
(2) heat-treat technique to the ingot casting prepared, concrete operations are as follows:
A anneals, and ingot furnace heat is incubated 9min to when 500 DEG C, and then stove is cooled to 250 DEG C, opens fire door continuation slow cooling to 100 DEG C subsequently and comes out of the stove air cooling to room temperature;
B quenches, and the ingot casting slow stove heat after annealing in step a is incubated 0.5h to 520 DEG C, again stove heat to after 560 DEG C with high pressure spray jetting ingot casting fast cooling;
C tempering, by through quenching after ingot casting at room temperature again enter stove and stove heat to 240 DEG C after be incubated 10min after come out of the stove air cooling to room temperature;
(3) being obtained by the ingot casting after thermal treatment high after lathe peeling is 120mm, diameter is the blank of 100mm, blank is forged, before blank is forged, first preheating is carried out to forging die, be preheated to 150 DEG C, and adopt mould tenderizer to lubricate forging die, blocking temperature is 650 DEG C, and final forging temperature is 800 DEG C, naturally cools to room temperature and obtains work in-process;
(4) Tempering and Quenching is carried out to the work in-process after forging, work in-process after Tempering and Quenching are cooled to room temperature through refrigerating work procedure, obtain the bar that diameter is 20mm, bar is checked one by one, reject surperficial defective bar, the bar be up to the standards is door and window material silk ribbon carry out bundling and weigh, finally puts in storage, wherein:
The concrete operations of Tempering and Quenching are: adopt a normalizing and tempering combination to carry out, normalizing: formal fiery temperature 770 DEG C, is incubated 10min after temperature; A tempering: adopt zone heating, first paragraph Heating temperature is 800 DEG C, is incubated 13min after temperature, and second segment Heating temperature is 820 DEG C, and be incubated 8min after temperature, then air cooling is to room temperature;
Refrigerating work procedure comprises first refrigerating work procedure and the concrete operations of second refrigerating work procedure are:
First refrigerating work procedure is: on cooling bed, carry out air cooling to work in-process, first with the speed of cooling of 7 DEG C per second, work in-process is cooled to 400 DEG C, and then progressively cools to room temperature;
Second refrigerating work procedure is: adopt water-cooled to be combined with air cooling, first adopt water-cooled with the rate of cooling of 3.5 DEG C/s by work in-process water-cooled to 320 DEG C, then air cooling to 200 DEG C, then adopt water-cooled with the rate of cooling of 3.7 DEG C/s by work in-process water-cooled to 150 DEG C, last air cooling is to room temperature.
embodiment 3
The present embodiment provides a kind of magnesium alloy door and window material, and this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:18%, Mn:5%, Zn:10%, Cu:2%, Ni:2%, Sc:1%, P:0.8%, Zr:5%, Y:2%, Ca:10%, Sr:2%, B:6%, Co:3%, rare earth element 2%, all the other are Mg;
Rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:14%, Nd:17%, Gd:14%, Pr:12%, Dy:9%, Yb:5%, La:19%, Sm:10%.
The production method of above-mentioned magnesium alloy door and window material, operates by following concrete steps:
(1) smelting furnace preheating 15min is opened, using above-mentioned Chemical Composition as raw material add Mg, Al, Mn, Ni, Sc, P, Zr, Y, Co wherein and, allocate according to component concentration, raw material is placed in plumbago crucible, then the plumbago crucible that raw material is housed is put into preheated smelting furnace, pass into SF6 and CO2 hybrid protection gas simultaneously;
In smelting furnace, add Zn, Cu, Ca, Sr, B and rare earth element, melting at 850 DEG C, after alloying element melts completely, stir 12min, keep 720 DEG C of standing 30min;
Poured in the metal die being preheating to 250 DEG C by aluminium alloy, obtaining high is 180mm, and diameter is the ingot casting of 110mm;
(2) heat-treat technique to the ingot casting prepared, concrete operations are as follows:
A anneals, and ingot furnace heat is incubated 10min to when 400 DEG C, and then stove is cooled to 255 DEG C, opens fire door continuation slow cooling to 125 DEG C subsequently and comes out of the stove air cooling to room temperature;
B quenches, and the ingot casting slow stove heat after annealing in step a is incubated 1h to 500 DEG C, again stove heat to after 555 DEG C with high pressure spray jetting ingot casting fast cooling;
C tempering, by through quenching after ingot casting at room temperature again enter stove and stove heat to 235 DEG C after be incubated 12min after come out of the stove air cooling to room temperature;
(3) being obtained by the ingot casting after thermal treatment high after lathe peeling is 110mm, diameter is the blank of 80mm, blank is forged, before blank is forged, first preheating is carried out to forging die, be preheated to 160 DEG C, and adopt mould tenderizer to lubricate forging die, blocking temperature is 680 DEG C, and final forging temperature is 820 DEG C, naturally cools to room temperature and obtains work in-process;
(4) Tempering and Quenching is carried out to the work in-process after forging, work in-process after Tempering and Quenching are cooled to room temperature through refrigerating work procedure, obtain the bar that diameter is 18mm, bar is checked one by one, reject surperficial defective bar, the bar be up to the standards is door and window material silk ribbon carry out bundling and weigh, finally puts in storage, wherein:
The concrete operations of Tempering and Quenching are: adopt a normalizing and tempering combination to carry out, normalizing: formal fiery temperature 760 DEG C, is incubated 13min after temperature; A tempering: adopt zone heating, first paragraph Heating temperature is 840 DEG C, is incubated 15min after temperature, and second segment Heating temperature is 840 DEG C, and be incubated 10min after temperature, then air cooling is to room temperature;
Refrigerating work procedure comprises first refrigerating work procedure and the concrete operations of second refrigerating work procedure are:
First refrigerating work procedure is: on cooling bed, carry out air cooling to work in-process, first with the speed of cooling of 8 DEG C per second, work in-process is cooled to 426 DEG C, and then progressively cools to room temperature;
Second refrigerating work procedure is: adopt water-cooled to be combined with air cooling, first adopt water-cooled with the rate of cooling of 3.2 DEG C/s by work in-process water-cooled to 335 DEG C, then air cooling to 210 DEG C, then adopt water-cooled with the rate of cooling of 3.2 DEG C/s by work in-process water-cooled to 155 DEG C, last air cooling is to room temperature.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (7)
1. a magnesium alloy door and window material, is characterized in that: this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is:
Al:15-20%, Mn:5-8%, Zn:10-15%, Cu:1-3%, Ni:2-3%, Sc:1-3%, P:0.5-1.0%, Zr:5-9%, Y:2-5%, Ca:8-11%, Sr:2-5%, B:4-7%, Co:2-4%, rare earth element 1-3%, all the other are Mg;
Described rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:10-15%, Nd:15-18%, Gd:14-20%, Pr:8-12%, Dy:5-9%, Yb:3-5%, La:15-20%, Sm:7-15%.
2. magnesium alloy door and window material according to claim 1, is characterized in that: this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:15%, Mn:7%, Zn:10%, Cu:1%, Ni:2%, Sc:2%, P:0.5%, Zr:9%, Y:3%, Ca:8%, Sr:4%, B:4%, Co:2%, rare earth element 3%, all the other are Mg;
Described rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:10%, Nd:18%, Gd:17%, Pr:11%, Dy:9%, Yb:5%, La:15 %, Sm:15%.
3. magnesium alloy door and window material according to claim 1, is characterized in that: this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:20%, Mn:8%, Zn:12%, Cu:3%, Ni:3%, Sc:3%, P:1.0%, Zr:7%, Y:5%, Ca:11%, Sr:5%, B:7%, Co:4%, rare earth element 1%, all the other are Mg;
Described rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:15%, Nd:15%, Gd:20%, Pr:8%, Dy:8%, Yb:4%, La:20%, Sm:10%.
4. magnesium alloy door and window material according to claim 1, is characterized in that: this magnesium alloy door and window material is made up of Mg, Al, Mn, Zn, Cu, Ni, Sc, P, Zr, Y, Ca, Sr, B, Co, rare earth element, and its weight percent composition is: Al:18%, Mn:5%, Zn:10%, Cu:2%, Ni:2%, Sc:1%, P:0.8%, Zr:5%, Y:2%, Ca:10%, Sr:2%, B:6%, Co:3%, rare earth element 2%, all the other are Mg;
Described rare earth element is made up of Ce, Nd, Gd, Pr, Dy, Yb, La, Sm, and each component is by weight percentage: Ce:14%, Nd:17%, Gd:14%, Pr:12%, Dy:9%, Yb:5%, La:19%, Sm:10%.
5. the production method of the magnesium alloy door and window material as described in claim arbitrary in claim 1-4, is characterized in that: operate by following concrete steps:
(1) smelting furnace preheating 10-15min is opened, using above-mentioned Chemical Composition as raw material add Mg, Al, Mn, Ni, Sc, P, Zr, Y, Co wherein and, allocate according to described component concentration, raw material is placed in plumbago crucible, then the plumbago crucible that raw material is housed is put into preheated smelting furnace, pass into SF6 and CO2 hybrid protection gas simultaneously;
In smelting furnace, add Zn, Cu, Ca, Sr, B and rare earth element, melting at 800-900 DEG C, after alloying element melts completely, stir 10-15min, keep 720 DEG C of standing 20-30min;
Poured in the metal die being preheating to 200-300 DEG C by aluminium alloy, obtaining high is 150-200mm, and diameter is the ingot casting of 100-120mm;
(2) heat-treat technique to the ingot casting prepared, concrete operations are as follows:
A anneals, and ingot furnace heat is incubated 9-11min to during 400-500 DEG C, and then stove is cooled to 250-260 DEG C, opens fire door subsequently and continues slow cooling to 100-150 DEG C of air cooling of coming out of the stove to room temperature;
B quenches, and the ingot casting slow stove heat after annealing in step a is incubated 0.5-1h to 500-520 DEG C, again stove heat to after 550-560 DEG C with high pressure spray jetting ingot casting fast cooling;
C tempering, by through quenching after ingot casting at room temperature again enter stove and stove heat to 220-240 DEG C after be incubated 10-15min after come out of the stove air cooling to room temperature;
(3) obtaining high after lathe peeling by the ingot casting after thermal treatment is 100-120mm, and diameter is the blank of 80-100mm, forges blank, and blocking temperature is 650-700 DEG C, and final forging temperature is 800-820 DEG C, naturally cools to room temperature and obtains work in-process;
(4) Tempering and Quenching is carried out to the work in-process after forging, work in-process after Tempering and Quenching are cooled to room temperature through refrigerating work procedure, obtain the bar that diameter is 15-20mm, bar is checked one by one, reject surperficial defective bar, the bar be up to the standards is door and window material silk ribbon carry out bundling and weigh, finally puts in storage, wherein:
Described refrigerating work procedure comprises first refrigerating work procedure and the concrete operations of second refrigerating work procedure are:
First refrigerating work procedure is: on cooling bed, carry out air cooling to work in-process, first with the speed of cooling of 5-8 per second DEG C, work in-process is cooled to 400-450 DEG C, and then progressively cools to room temperature;
Second refrigerating work procedure is: adopt water-cooled to be combined with air cooling, first adopt water-cooled with the rate of cooling of 2.8-3.5 DEG C/s by work in-process water-cooled to 320-350 DEG C, then air cooling is to 200-220 DEG C, adopt again water-cooled with the rate of cooling of 3.0-3.7 DEG C/s by work in-process water-cooled to 150-170 DEG C, last air cooling is to room temperature.
6. the production method of magnesium alloy door and window material according to claim 5, it is characterized in that: in described step (3), before blank is forged, first preheating is carried out to forging die, be preheated to 150-175 DEG C, and adopt mould tenderizer to lubricate forging die.
7. the production method of magnesium alloy door and window material according to claim 5, it is characterized in that: the concrete operations of described Tempering and Quenching are: adopt a normalizing and tempering combination to carry out, normalizing: formal fiery temperature 750-770 DEG C, is incubated 10-15min after temperature; A tempering: adopt zone heating, first paragraph Heating temperature is 800-840 DEG C, is incubated 13-17min after temperature, and second segment Heating temperature is 820-860 DEG C, and be incubated 5-10min after temperature, then air cooling is to room temperature.
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| CN107267822A (en) * | 2017-06-03 | 2017-10-20 | 合肥伊只门窗有限公司 | A kind of anticorrosion aluminium door and window and its preparation technology |
| CN107815574A (en) * | 2017-09-28 | 2018-03-20 | 江苏晶王新材料科技有限公司 | A kind of corrosion resistant magnesium alloy materials |
| CN110860790A (en) * | 2019-11-19 | 2020-03-06 | 中国航空制造技术研究院 | Magnesium-lithium alloy laser welding method and composite shielding gas adopted by same |
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Effective date of registration: 20151203 Address after: Wuzhong District Suzhou City, Jiangsu Province town 215156 Jian Feng Village 7 groups Applicant after: SUZHOU WUZHONG DISTRICT XUKOU HARVEST MACHINERY FITTINGS FACTORY Address before: 215156, Suzhou, Jiangsu province Wuzhong District Xu town and Feng Road, No. 388 Applicant before: Dragon Lord door and window company limited of Suzhou City |
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