CN106917021B - High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof - Google Patents
High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof Download PDFInfo
- Publication number
- CN106917021B CN106917021B CN201710120001.3A CN201710120001A CN106917021B CN 106917021 B CN106917021 B CN 106917021B CN 201710120001 A CN201710120001 A CN 201710120001A CN 106917021 B CN106917021 B CN 106917021B
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- contents
- resisting
- squeeze wood
- plastic heat
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention belongs to metal material technology and metallurgical technology fields, and in particular to high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof.Technical scheme is as follows：A kind of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, the mass percent of alloy compositions are：It is 0.5~1.0%, Mn contents is 0.1~0.25% that Al content, which is 9.0~11.0%, Zn contents, Sm and La total contents are 0.15~0.55%, and impurity element total content is less than 0.05%, remaining is Mg, it is 0.05~0.4% that wherein Sm contents, which are 0.1~0.5%, La contents,.High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood provided by the invention and preparation method thereof, rare earth element Sm and La are added by improving Al content and micro combination on the basis of AZ80 magnesium alloys, and the adjustment for passing through extrusion process parameters, the yield tensile ratio for reducing magnesium alloy, improves the elongation and heat resistance of magnesium alloy.
Description
Technical field
The invention belongs to metal material technology and metallurgical technology fields, and in particular to a kind of high-plastic heat-resisting high magnalium conjunction of AZ systems
The preparation method of gold and its squeeze wood.
Background technology
Magnesium alloy is structure lightened ideal material, have density it is small, than it is strong it is high, easy to be recycled and damping,
The advantages that electromagnetic wave shielding and excellent machining property, the application in fields such as automobile, aerospace, 3C, national defence possess extensively
Wealthy application prospect.Industrial general magnesium alloy is broadly divided into cast magnesium alloy and wrought magnesium alloy two major classes at present, and deformed Mg is closed
Gold can be obtained by techniques such as forging, extruding, rollings, compared to cast magnesium alloy, had higher intensity, preferably extended
Property and more diversified size, using also more extensive.But industrial widely applied AZ systems magnesium alloy exists absolutely at present
Intensity is low (especially mechanical behavior under high temperature is low), plastic forming ability poor (especially secondary forming energy force difference) and corrosion resistance
The problems such as poor, seriously constrains the application field of magnesium alloy materials.The wherein secondary forming ability of AZ80 wrought magnesium alloys and resistance to
It is hot urgently to improve.For example, tensile property (the ASM handbook of As-extruded AZ80 magnesium alloys:Magnesium and
Magnesium Alloys) be respectively at room temperature：Yield strength 250MPa, tensile strength 340MPa, elongation 11%, yield tensile ratio
(Rp0.2/Rm)0.735；It is respectively under high temperature (150 DEG C)：175MPa, 240MPa, 26% and 0.729.As it can be seen that its yield tensile ratio compared with
Height, elongation is relatively low, and yield strength when high temperature and tensile strength reduce 80MPa and 100MPa respectively, only room temperature
2/3 or so.Therefore, if by the adjustment of alloying component, and the improvement of preparation process is combined, AZ80 magnesium alloys can be improved
Formability and heat resistance will be of great significance.
There are low melting point Mg in the poor heat resistance and alloy of AZ systems magnesium alloy17Al12Mutually and without heat-resistant stable precipitate
It is mutually related.In the magnesium alloy rare earth elements RE can the preferential alloy phase high with Al Element generation thermal stability, while reducing low
Fusing point Mg17Al12The precipitation of phase, limitation dislocation motion and improvement grain boundary structure state, to improve the room temperature and high temperature of magnesium alloy
Mechanical property, still, the rare earth elements such as a large amount of additions expensive Nd, Y, Gd also bring along the notable increasing of magnesium alloy materials cost
Add, equally constrains the application of magnesium alloy materials.Therefore, the light rare earth elements such as La, Ce, Pr and the Sm of selection with lower cost
It is the important directions of heat-resisting magnesium-rare earth exploitation at present as additive.In ZL201310085973.5 patents, disclose
0.2~1.5%Sm is added in AZ80 magnesium alloys to improve the method for its heat resistance, although tensile strength is reachable at 150 DEG C
To 300MPa or more, but room temperature elongation is relatively low, and maximum is no more than 11%.In general, yield tensile ratio (R is reducedp0.2/Rm) and carry
High elongation rate can improve the plastic deformation ability of metal material.
Invention content
The present invention provides high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof, by being closed in AZ80 magnesium
Al content is improved in gold base and rare earth element Sm and La are added in micro combination, and by the adjustment of extrusion process parameters, is reduced
The yield tensile ratio of magnesium alloy improves the elongation and heat resistance of magnesium alloy.
Technical scheme is as follows：
A kind of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, the mass percent of alloy compositions are：Al content is 9.0
~11.0%, Zn content are that 0.5~1.0%, Mn contents are 0.1~0.25%, Sm and La total contents are 0.15~0.55%, miscellaneous
Prime element total content is less than 0.05%, remaining is Mg, and it is 0.05~0.4% that wherein Sm contents, which are 0.1~0.5%, La contents,.
The high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, preferred embodiment are that Al content is 9.4~10.5%,
Zn contents are that 0.5~0.7%, Mn contents are 0.1~0.2%, Sm and La total contents are 0.3~0.45%, and wherein Sm contents are
0.15~0.4%, La content are 0.05~0.3%.
A kind of preparation method of such as above-mentioned high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, includes the following steps：
(1) melting ingot casting：Under protection gas effect, the magnesium ingot, aluminium ingot, zinc that will be weighed up respectively by the mass percent
Ingot, anhydrous MnCl2It is placed in smelting furnace, being heated to 710~715 DEG C makes its fusing, skims and swims in the miscellaneous of bath surface to remove
Matter uniformly sprinkles RJ-5 flux as coverture in bath surface, the Sm intermediate alloys weighed up by the mass percent is added
With La intermediate alloys, be warming up to 730~750 DEG C, continuously added after Sm intermediate alloys and the fusing of La intermediate alloys RJ-5 flux into
Row stirring refining, stands 8~10min, skims when melt temperature is down to 710 ± 3 DEG C later, is poured under protection gas effect
Casting is previously heated in 150~250 DEG C of low-carbon steel mold, obtains magnesium alloy ingot；
(2) it homogenizes：Magnesium alloy ingot obtained by step (1) is placed in Muffle furnace, keep the temperature 10 at 400~420 DEG C~
It carries out Homogenization Treatments within 12 hours, is then air-cooled to room temperature, turnery processing is the magnesium alloy rod of Φ 46mm × 100mm；
(3) hot extrusion：By magnesium alloy rod obtained by step (2) after 350 DEG C of heat preservations 2 hours, using reverse squeezing device,
Hot extrusion is carried out on 300 tons of hydraulic presses, it is 350 DEG C to squeeze temperature, and extruding muzzle velocity is 1.8~1.9m/min, extrusion ratio
It is 16:1~18:1, it is then air-cooled to room temperature, obtains squeeze wood.
The preparation method of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, preferred embodiment is the purity of magnesium ingot
It is closed among purity >=99.99wt.% of >=99.9wt.%, purity >=99.7wt.% of aluminium ingot, zinc ingot metal, Sm intermediate alloys and La
The ingredient of gold is respectively Mg-30wt.%Sm and Mg-25wt.%La.
The preparation method of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, preferred embodiment is the protection gas
For CO2And SF6Mixed gas, volume ratio CO2:SF6=100:1.
Beneficial effects of the present invention are：
(1) present invention is on the basis of AZ80 magnesium alloys, by improve aluminium content and micro combination addition rare earth element Sm,
La has preferentially formed the high Al of thermal stability in the magnesium alloy2Sm and Al11La3Alloy phase, it is suppressed that low melting point Mg17Al12Phase
It is formed, improves grain boundary structure state, after homogenizing and extrusion process parameters adjustment is handled, significantly refined group of magnesium alloys
It knits, hence it is evident that reduce room temperature yield ratio, improve room temperature elongation and 150 DEG C of Testing Tensile Strength at Elevated Temperature；
(2) high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of the invention has the characteristics that high-plastic, heat-resisting, specific manifestation
For：At room temperature, the tensile strength of the magnesium alloy be 300~340MPa, yield strength be 160~190MPa, elongation be 23~
26%, yield tensile ratio is 0.5~0.6；Under 150 DEG C of high temperature, the tensile strength of the magnesium alloy is 250~280MPa, and yield strength is
170~180MPa, elongation are 29~35%, and yield tensile ratio is 0.6~0.7；
(3) high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of the invention, can be obtained by low extrusion ratio crimp,
In, it is 350 DEG C to squeeze temperature, extrusion ratio 16:1~18:1, extrusion process is simply easily implemented, meanwhile, which passes through high temperature
Low extrusion ratio does not occur burn-off phenomenon after squeezing, and has high-plastic and resistance to thermal property.
Description of the drawings
Fig. 1 is the XRD spectra of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 1 gained of the embodiment of the present invention；
Fig. 2 is the typical metallographic structure figure of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 1 gained of the embodiment of the present invention；
Fig. 3 is the typical SEM organization charts of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 1 gained of the embodiment of the present invention；
Fig. 4 is the tensile sample dimensional drawing of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of the present invention；
The XRD spectra of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 2 gained of Fig. 5 embodiment of the present invention；
Fig. 6 is the typical metallographic structure figure of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 2 gained of the embodiment of the present invention；
Fig. 7 is the typical SEM organization charts of the high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of 2 gained of the embodiment of the present invention.
Specific implementation mode
In conjunction with the content of the present invention program, provide following four embodiment, but protection scope of the present invention be not limited to it is following
Four embodiments.
Embodiment 1
High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, consists of the following mass percentage components in the present embodiment：
9.0%Al, 0.7%Zn, 0.2%Mn, 0.4%Sm+0.05%La, surplus are magnesium and inevitable impurity element.
Preparation method is as follows：
Using melting resistance furnace, in SF6With CO2Volume ratio is 1:Under 100 mixed gas protected atmosphere, Mg is heated to
710 DEG C of fusings are added Al, Zn and Mn by the mass percent of component, are carried out at purification to magnesium alloy fused mass using RJ-5 flux
Reason and covering protection are added Mg-30%Sm and Mg-25%La intermediate alloys by the mass percent of Sm and La, are warming up to 730
DEG C, RJ-5 flux is continuously added after alloy melting and carries out refining stirring, then stands 9min, when melt temperature is down to 710 DEG C
It skims, is cast in the low-carbon steel mold for being previously heated to 200 DEG C under protection gas effect, obtains having high-plastic and heat-resisting
The AZ systems magnesium alloy ingot of characteristic.The magnesium alloy ingot is kept the temperature into 10h in 420 DEG C, is air-cooled to room temperature, and turnery processing is Φ
The magnesium alloy rod of 46mm × 100mm removes the oxidized portion on surface.After the isothermal holding of 350 DEG C × 2h, using reversed
Pressurizing unit squeezes the magnesium alloy rod with the muzzle velocity of 1.9mm/min, obtains the magnesium of Φ 12mm on 300 tons of hydraulic presses
Alloy extrusion material, extrusion ratio 17.4:1.
The XRD spectrums of squeeze wood are as shown in Fig. 1, and typical metallographic structure is as shown in Fig. 2, and SEM is organized respectively such as 3 institute of attached drawing
Show.It is processed into tensile sample as shown in Fig. 4, room temperature is carried out on Instron8032 stretching-machines and 150 DEG C of high temperature are drawn
It stretches, tensile speed is 1mm/min, and tensile property is as shown in table 1, and average value is respectively：At room temperature, tensile strength=
310MPa, yield strength=160MPa, elongation=25.5%, yield tensile ratio=0.516；Under high temperature (150 DEG C), tensile strength=
275MPa, yield strength=175MPa, elongation=29%, yield tensile ratio=0.636.
Embodiment 2
High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, consists of the following mass percentage components in the present embodiment：
9.43%Al, 0.5%Zn, 0.1%Mn, 0.15%Sm+0.3%La, surplus are magnesium and inevitable impurity element.
Preparation method is same as Example 1.
The XRD spectrums of squeeze wood are as shown in Fig. 5, and typical metallographic structure is as shown in Fig. 6, and SEM is organized respectively such as 7 institute of attached drawing
Show.It is processed into tensile sample as shown in Fig. 4, room temperature is carried out on Instron8032 stretching-machines and 150 DEG C of high temperature are drawn
It stretches, tensile speed is 1mm/min, and tensile property is as shown in table 1, and average value is respectively：At room temperature, tensile strength=
330MPa, yield strength=180MPa, elongation=26%, yield tensile ratio 0.545；Under high temperature (150 DEG C), tensile strength=
270MPa, yield strength=177MPa, elongation=30%, yield tensile ratio 0.655.
Embodiment 3
High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, consists of the following mass percentage components in the present embodiment：
10.5%Al, 0.5%Zn, 0.12%Mn, 0.2%Sm+0.15%La, surplus are magnesium and inevitable impurity element.
Preparation method is same as Example 1.
It is processed into tensile sample as shown in Fig. 4, room temperature and 150 DEG C are carried out on Instron8032 stretching-machines
Drawing by high temperature, tensile speed are 1mm/min, and tensile property is as shown in table 1, and average value is respectively：At room temperature, tensile strength
=333MPa, yield strength=182MPa, elongation=23%, yield tensile ratio 0.550；Under high temperature (150 DEG C), tensile strength=
260MPa, yield strength=173MPa, elongation=33%, yield tensile ratio 0.665.
Embodiment 4
High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, consists of the following mass percentage components in the present embodiment：
9.8%Al, 0.58%Zn, 0.11%Mn, 0.1%Sm+0.2%La, surplus are magnesium and inevitable impurity element.
Preparation method is same as Example 1.
Be processed into tensile sample as shown in Fig. 4, carried out respectively on Instron8032 stretching-machines room temperature and
150 DEG C of drawing by high temperature, tensile speed are 1mm/min, and tensile property is as shown in table 1, and average value is respectively：At room temperature, resist
Tensile strength=335MPa, yield strength=186MPa, elongation=20%, yield tensile ratio 0.555；Under high temperature (150 DEG C), tension
Intensity=252MPa, yield strength=170MPa, elongation=35%, yield tensile ratio 0.674.
The stretching mechanical property testing result of magnesium alloy obtained by 1 embodiment of table
(*Note：The mechanical performance data of AZ80 squeeze woods comes from ASM handbook:Magnesium and Magnesium
Alloys)
Claims (4)
1. a kind of preparation method of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood, high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood
The mass percents of alloy compositions be：Al content be 9.0 ~ 11.0%, Zn contents be 0.5 ~ 1.0%, Mn contents be 0.1 ~
0.25%, Sm and La total contents are 0.3 ~ 0.45%, and impurity element total content is less than 0.05%, remaining is Mg, and wherein Sm contents are
0.15 ~ 0.4%, La content are 0.05 ~ 0.3%；It is characterized by comprising the following steps：
(1) melting ingot casting：Under protection gas effect, respectively by the magnesium ingot weighed up by the mass percent, aluminium ingot, zinc ingot metal, nothing
Water MnCl2It is placed in smelting furnace, being heated to 710 ~ 715 DEG C makes its fusing, skims to remove the impurity for swimming in bath surface, molten
Body surface face uniformly sprinkles RJ-5 flux as coverture, is added among the Sm intermediate alloys and La weighed up by the mass percent
Alloy, is warming up to 730 ~ 750 DEG C, and continuously adding RJ-5 flux after Sm intermediate alloys and the fusing of La intermediate alloys is stirred essence
Refining, 8 ~ 10min of standing, skims when melt temperature is down to 710 ± 3 DEG C later, casts under protection gas effect and adds in advance
In the low-carbon steel mold of heat to 150 ~ 250 DEG C, magnesium alloy ingot is obtained；
(2) it homogenizes：Magnesium alloy ingot obtained by step (1) is placed in Muffle furnace, 10 ~ 12 hours are kept the temperature at 400 ~ 420 DEG C
Homogenization Treatments are carried out, room temperature is then air-cooled to, turnery processing is the magnesium alloy rod of Φ 46mm × 100mm；
(3) hot extrusion：By magnesium alloy rod obtained by step (2) after 350 DEG C of heat preservations 2 hours, using reverse squeezing device,
Hot extrusion is carried out on 300 tons of hydraulic presses, it is 350 DEG C to squeeze temperature, and extruding muzzle velocity is 1.8 ~ 1.9m/min, and extrusion ratio is
16:1~18:1, it is then air-cooled to room temperature, obtains squeeze wood.
2. the preparation method of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood according to claim 1, which is characterized in that Al
Content is that 9.4 ~ 10.5%, Zn contents are that 0.5 ~ 0.7%, Mn contents are 0.1 ~ 0.2%, Sm and La total contents are 0.3 ~ 0.45%,
Middle Sm contents are that 0.15 ~ 0.4%, La contents are 0.05 ~ 0.3%.
3. the preparation method of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood according to claim 1, which is characterized in that magnesium
Purity >=99.99wt.% of purity >=99.9wt.% of ingot, purity >=99.7wt.% of aluminium ingot, zinc ingot metal, Sm intermediate alloys and
The ingredient of La intermediate alloys is respectively Mg-30wt.%Sm and Mg-25wt.%La.
4. the preparation method of high-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood according to claim 1, which is characterized in that institute
It is CO to state protection gas2And SF6Mixed gas, volume ratio CO2:SF6 = 100:1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120001.3A CN106917021B (en) | 2017-03-02 | 2017-03-02 | High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120001.3A CN106917021B (en) | 2017-03-02 | 2017-03-02 | High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106917021A CN106917021A (en) | 2017-07-04 |
| CN106917021B true CN106917021B (en) | 2018-10-16 |
Family
ID=59460414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710120001.3A Active CN106917021B (en) | 2017-03-02 | 2017-03-02 | High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106917021B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825750A (en) * | 2019-04-04 | 2019-05-31 | 东北大学 | A kind of high corrosion-resistant magnesium alloy of low rare earth and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078078A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | Magnesium-aluminum-manganese alloy containing rare earth and preparation method thereof |
| CN102994840A (en) * | 2011-09-09 | 2013-03-27 | 武汉铁盟机电有限公司 | MgAlZn heat resistance magnesium alloy |
| CN103074530A (en) * | 2012-09-18 | 2013-05-01 | 南昌大学 | Preparation method of high-strength heat-resistant magnesium alloy |
| CN104674091A (en) * | 2013-11-28 | 2015-06-03 | 苏州昊卓新材料有限公司 | Magnesium-based alloy |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5089945B2 (en) * | 2006-09-14 | 2012-12-05 | 国立大学法人 熊本大学 | High strength magnesium alloy with high corrosion resistance |
| JP2008106337A (en) * | 2006-10-27 | 2008-05-08 | Shingijutsu Kenkyusho:Kk | Rolled material of magnesium alloy, and method for producing the same |
-
2017
- 2017-03-02 CN CN201710120001.3A patent/CN106917021B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078078A (en) * | 2007-06-25 | 2007-11-28 | 中南大学 | Magnesium-aluminum-manganese alloy containing rare earth and preparation method thereof |
| CN102994840A (en) * | 2011-09-09 | 2013-03-27 | 武汉铁盟机电有限公司 | MgAlZn heat resistance magnesium alloy |
| CN103074530A (en) * | 2012-09-18 | 2013-05-01 | 南昌大学 | Preparation method of high-strength heat-resistant magnesium alloy |
| CN104674091A (en) * | 2013-11-28 | 2015-06-03 | 苏州昊卓新材料有限公司 | Magnesium-based alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106917021A (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103667825B (en) | A kind of ultra-high-strength/tenacity anticorodal and manufacture method thereof | |
| CN100545286C (en) | High-strength creep resistant magnesium alloy and preparation method thereof | |
| CN102732763B (en) | High-strength Mg-Gd-Y-Zn-Mn alloy | |
| CN106756370A (en) | A kind of anti-flaming Mg Gd Y Zn Zr alloys of high-strength anticorrosion and preparation method thereof | |
| CN104032195B (en) | Efficiently-extrudable low-cost high-performance heat-conducting magnesium alloy and preparation method thereof | |
| CN102392165B (en) | Wrought magnesium alloy with high intensity and method for preparing its extruded material | |
| CN102051509A (en) | High-toughness heat-resistant Mg-Al-RE-Mn wrought magnesium alloy and preparation method of plate made of same | |
| CN104561688A (en) | Heat-resistant cast aluminum alloy and gravity casting method thereof | |
| CN105154734A (en) | High-speed-extrudable wrought magnesium alloy and preparation method thereof | |
| CN108385007A (en) | A kind of high performance heat resistant deformed magnesium alloy material of low cost and preparation method thereof | |
| CN105714168A (en) | High-yield-strength magnesium alloy and preparation method thereof | |
| CN105401032A (en) | Low-cost high-heat-conducting die casting magnesium alloy and manufacturing method thereof | |
| CN101440450A (en) | Preparation of lanthanum-containing AE heat resisting die-casting magnesium alloy | |
| CN109930045B (en) | High-strength-toughness heat-resistant Mg-Gd alloy suitable for gravity casting and preparation method thereof | |
| CN106756363B (en) | A kind of corrosion-resistant, high temperature creep-resisting diecast magnesium alloy and preparation method thereof | |
| CN106676355B (en) | High-plastic heat-resisting AZ systems magnesium alloy extrusion of one kind and preparation method thereof | |
| WO2020199470A1 (en) | Low-rare-earth and high-corrosion-resistance magnesium alloy, and preparation method therefor | |
| CN104498797A (en) | High-strength casting magnesium alloy with low hot cracking tendency and preparation method for high-strength casting magnesium alloy | |
| CN104073702A (en) | Rear-earth magnesium alloy and preparation method thereof | |
| Wu et al. | Refined microstructure and improved mechanical properties of high-ratio extruded AZ91− xSn magnesium alloy | |
| CN106222507B (en) | A kind of low cost high-damping high intensity Mg-Zn-Ce alloys and preparation method thereof | |
| SU et al. | Microstructure and mechanical properties of Mg-6Al-0.3 Mn-xY alloys prepared by casting and hot rolling | |
| CN106917021B (en) | High-plastic heat-resisting AZ systems high-alumina magnesium alloy squeeze wood of one kind and preparation method thereof | |
| CN105821269A (en) | High-strength fatigue-resistant rare earth magnesium alloy and preparation method thereof | |
| CN108707801A (en) | A kind of high-intensity thermal deformation resistant magnesium alloy and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |