CN107448389A - Rotary compressor base and rotary compressor and refrigeration plant - Google Patents
Rotary compressor base and rotary compressor and refrigeration plant Download PDFInfo
- Publication number
- CN107448389A CN107448389A CN201710770263.4A CN201710770263A CN107448389A CN 107448389 A CN107448389 A CN 107448389A CN 201710770263 A CN201710770263 A CN 201710770263A CN 107448389 A CN107448389 A CN 107448389A
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- Prior art keywords
- rotary compressor
- base
- compressor
- magnesium alloy
- weight
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
-
- 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
- C22C23/00—Alloys based on magnesium
- C22C23/04—Alloys based on magnesium with zinc or cadmium as the next major constituent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/12—Vibration
- F04C2270/125—Controlled or regulated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/13—Noise
- F04C2270/135—Controlled or regulated
Abstract
The invention discloses rotary compressor base and rotary compressor and refrigeration plant, wherein, rotary compressor is formed with base by magnesium alloy.The rotary compressor is low with base manufacturing cost, vibrate and resonate caused by when compressor assembly and motor work can be greatly reduced, so as to reduce the noise of rotary compressor, noise figure is declined 2dB (A), and effectively improve the tonequality of compressor, reduce the influence to surrounding environment.
Description
Technical field
The invention belongs to compressor field, and specifically, the present invention relates to rotary compressor base and rotary compressor
And refrigeration plant.
Background technology
Common rotary compressor, include compression pump assembly, motor, housing, base and reservoir.During compressor operation,
The mechanical oscillation of pump assembly and noise of motor, housing and base are relied primarily on to reduce vibration and noise.Base mainly uses
Common hot rolled steel plate is made, and common hot rolled steel plate is because in-fighting is smaller, and when forced vibration, vibration absorption ability is relatively low, easily production
Raw resonance by a relatively large margin, noise and vibration are difficult to effectively be decayed, bigger to external action, therefore we need to seek
A kind of suitable material is looked for improve this problem.
Therefore, existing compressor is further improved.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose rotary compressor base and rotary compressor and refrigeration plant.Rotary compressor proposed by the present invention
It is low with base manufacturing cost, vibrate and resonate caused by when compressor assembly and motor work can be greatly reduced, so as to reduce
The noise of rotary compressor, noise figure is declined 2dB (A), and effectively improve the tonequality of compressor, reduce to surrounding environment
Influence.
According to an aspect of the present invention, the present invention proposes a kind of rotary compressor base, and the base is closed by magnesium
Gold is formed.
Inventor has found, by the way that rotary compressor not only instead of into traditional steel board using magnesium alloy materials with base
Material, but also the mechanical oscillation of rotary compressor can be significantly reduced.Specifically, because magnesium alloy can produce structural dislocation, when
During base forced vibration, vibration position and foreign atom interaction in magnesium alloy crystal produce mechanical stagnation aftereffect, lead
Energy loss is caused, so as to significantly consume due to vibration mechanical energy, effectively drop caused by compressor assembly and motor work
Vibrate and resonate caused by low machine operation, make base that there is preferable overall erasure effect.Thus, the above embodiment of the present invention
Rotary compressor formed with base using magnesium alloy, not only manufacturing cost is low, additionally it is possible to compressor assembly and electricity is greatly reduced
Vibration caused by when machine works and resonance, so as to reduce the noise of rotary compressor, noise figure is set to decline 2dB (A), and effectively
Improve the tonequality of compressor, reduce influence of the noise to surrounding environment.
In addition, rotary compressor base according to the above embodiment of the present invention can also have technology additional as follows special
Sign：
In some embodiments of the invention, the magnesium alloy includes：0.1-10 weight % zinc, 0-0.5 weight %'s
Copper, 0-10 weight % aluminium, 0-1.0 weight % zirconiums, and the magnesium of surplus.Thus, it is possible to further reduce due to compressor set
Part and motor work and caused vibration and resonance, reduce the noise of rotary compressor and further improve the tonequality of compressor.
In some embodiments of the invention, the magnesium alloy also includes rare earth element, the rare earth element be selected from neodymium,
At least one of cerium and yttrium.Thus, it is possible to further improve combination property of the rotary compressor with base at high temperature.
In some embodiments of the invention, the magnesium alloy is also comprising at least one of manganese, silicon and calcium.Thus, may be used
Further to improve the combination property of rotary compressor base.
In some embodiments of the invention, the base is by the way that the magnesium alloy punched welding is formed.Thus, it is possible to
Rotary compressor base effectively is prepared.
In some embodiments of the invention, the damping capacity SDC of the base is not less than 20%.Thus, it is possible to enter one
Step is reduced due to compressor assembly and motor work and caused vibration and resonance, can be with when the base is used for into rotary compressor
Reach more preferable overall erasure effect.
In some embodiments of the invention, the tensile strength of the base is not less than 120MPa.Thus, it is possible to further
Improve the stability of rotary compressor.
According to the second aspect of the invention, the invention also provides a kind of rotary compressor, the rotary compression equipment
There is the rotary compressor base described in the above embodiment of the present invention.
Thus, rotary compressor base of the rotary compressor proposed by the present invention described in by selection above-described embodiment,
It can significantly reduce due to compressor assembly and motor work and caused vibration and resonance, and then significantly reduce rotary compressor
Noise, noise figure is declined 2dB (A), and effectively improve the tonequality of compressor, reduce influence of the noise to surrounding environment.
In some embodiments of the invention, the rotary compressor is single cylinder rotary compressor, twin-tub rotation-type pressure
Contracting machine or multi-cylinder rotary compressor.Thus, it is possible to make single cylinder rotary compressor, twin-tub rotation-type compressor or multi-cylinder
Rotary compressor has the advantages of noise is low, tonequality is good.
According to the third aspect of the present invention, the invention also provides a kind of refrigeration plant, the refrigeration plant have this
Rotary compressor described in invention above-described embodiment.
Thus, refrigeration plant proposed by the present invention passes through the described rotary compressor from above-described embodiment, Ke Yixian
Writing reduces due to compressor assembly and motor work and caused vibration and resonance, so as to significantly reduce the noise of rotary compressor
And effectively improve the tonequality of compressor, and then can make whole refrigeration plant that there is more preferable quality, and reduce refrigeration plant
Influence of the caused noise to surrounding environment.
Brief description of the drawings
Fig. 1 is the structural representation of rotary compressor base according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
According to an aspect of the present invention, the present invention proposes a kind of rotary compressor base, and base is by magnesium alloy shape
Into structure is as shown in Figure 1.
Inventor has found, by the way that rotary compressor not only instead of into traditional steel board using magnesium alloy materials with base
Material, but also the mechanical oscillation of rotary compressor can be significantly reduced.Specifically, because magnesium alloy can produce structural dislocation, when
During base forced vibration, vibration position and foreign atom interaction in magnesium alloy crystal produce mechanical stagnation aftereffect, lead
Energy loss is caused, so as to significantly consume due to vibration mechanical energy, effectively drop caused by compressor assembly and motor work
Vibrate and resonate caused by low machine operation, make base that there is preferable overall erasure effect.Thus, the above embodiment of the present invention
Rotary compressor formed with base using magnesium alloy, not only manufacturing cost is low, additionally it is possible to compressor assembly and electricity is greatly reduced
Vibration caused by when machine works and resonance, so as to reduce the noise of rotary compressor, noise figure is set to decline 2dB (A), and effectively
Improve the tonequality of compressor, reduce influence of the noise to surrounding environment.
According to a particular embodiment of the invention, forming the magnesium alloy of rotary compressor base can include：0.1-10 weights
Measure % zinc, 0-0.5 weight % copper, 0-10 weight % aluminium, 0-1.0 weight % zirconiums, and the magnesium of surplus.Invention human hair
It is existing, using the magnesium alloy containing said components and proportioning, more easily produced when can make rotary compressor with base forced vibration
Mechanical stagnation aftereffect simultaneously causes energy loss, and then further reduces due to compressor assembly and motor work and caused shake
Dynamic and resonance, reduce the noise of rotary compressor and further improve the tonequality of compressor.
According to a particular embodiment of the invention, magnesium alloy can also include rare earth element, rare earth element be selected from neodymium, cerium and
At least one of yttrium.By adding rear earth element nd, cerium and yttrium in the present invention, magnesium alloy can be improved and form intermetallic
The fusing point of thing, and rear earth element nd, cerium and yttrium are mainly distributed on crystal boundary, can effectively suppress the sliding of crystal boundary, so as to significantly
The Testing Tensile Strength at Elevated Temperature and croop property etc. of magnesium alloy are improved, and then further improves rotary compressor with base at high temperature
Combination property.
According to a particular embodiment of the invention, magnesium alloy can also include at least one of manganese, silicon and calcium.In the present invention
By adding element silicon, magnesium alloy grain boundaries can be made to form stable Mg2Si hardening constituents, it is compacted so as to improve the high temperature of magnesium alloy
Become performance, improve the heat endurance of rotary compressor base；In addition, the high-temerature creep of magnesium alloy can also be improved by adding calcium constituent
Performance.In addition, the stress corrosion resistant that can effectively improve magnesium alloy in the present invention by adding manganese element is inclined to, so as to improve rotation
The corrosion resistance of rotary compressor base.Thus, can be closed in the present invention by adding manganese, silicon and calcium further to improve magnesium
The performance of gold, and then it is effectively improved the combination property of rotary compressor base.
According to a particular embodiment of the invention, rotary compressor base can be by the way that magnesium alloy punched welding be formed.
Thus, it is possible to rotary compressor base is effectively prepared.
According to a particular embodiment of the invention, the damping capacity SDC of rotary compressor base can be not less than 20%.By
This, can cause rotary compressor base to have very high damping characteristic, and then can further reduce due to compressor set
Part and motor are worked and caused vibration and resonance, and more preferable overall noise reduction can be reached when the base is used for into rotary compressor
Effect.
According to a particular embodiment of the invention, the tensile strength of rotary compressor base can be not less than 120MPa.By
This, can further improve the stability of rotary compressor.
According to the second aspect of the invention, the invention also provides a kind of rotary compressor, rotary compressor have this
The rotary compressor base of invention above-described embodiment.
Thus, rotary compressor base of the rotary compressor proposed by the present invention described in by selection above-described embodiment,
It can significantly reduce due to compressor assembly and motor work and caused vibration and resonance, and then significantly reduce rotary compressor
Noise, noise figure is declined 2dB (A), and effectively improve the tonequality of compressor, reduce influence of the noise to surrounding environment.
According to a particular embodiment of the invention, rotary compressor can be single cylinder rotary compressor, twin-tub rotation-type pressure
Contracting machine or multi-cylinder rotary compressor.Thus, it is possible to make single cylinder rotary compressor, twin-tub rotation-type compressor or multi-cylinder
Rotary compressor has the advantages of noise is low, tonequality is good.
According to the third aspect of the present invention, the invention also provides a kind of refrigeration plant, refrigeration plant have the present invention
The rotary compressor of above-described embodiment.
Thus, refrigeration plant proposed by the present invention, can be notable by selecting the rotary compressor described in above-described embodiment
Reduce due to compressor assembly and motor work and caused vibration and resonance, so as to significantly reduce the noise of rotary compressor simultaneously
Effectively improve the tonequality of compressor, and then can make whole refrigeration plant that there is more preferable quality, and reduce refrigeration plant production
Influence of the raw noise to surrounding environment.
Embodiment 1
Rotary compressor is formed with base by magnesium alloy, the manganese of copper, 1.0 weight % containing 0.2 weight % in magnesium alloy,
0.25 weight % zinc, 0.16 weight % silicon, 0.1 weight % titanium and the magnesium of surplus.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
Embodiment 2
Rotary compressor is formed with base by magnesium alloy, the manganese of aluminium, 0.3 weight % containing 9.0 weight % in magnesium alloy,
0.9 weight % zinc, 0.3 weight % silicon, 0.2 weight % copper, 0.05 weight % iron and the magnesium of surplus.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
Embodiment 3
Rotary compressor is formed with base by magnesium alloy, the copper of zinc, 0.1 weight % containing 3.7 weight % in magnesium alloy,
The magnesium of 1.0 weight % zirconium, 0.8 weight % yttrium and surplus.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
Embodiment 4
Rotary compressor is formed with base by magnesium alloy, the zinc, 0.03 weight % containing 0.7 weight % in magnesium alloy
Copper, 8.3~9.5 weight % aluminium, 0.02 weight % cerium, 0.45 weight % manganese, the magnesium of 0.1 weight % silicon and surplus.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
Embodiment 5
Rotary compressor is formed with base by magnesium alloy, the zinc, 0.7 weight % containing 0.16 weight % in magnesium alloy
Zirconium, 0.08 weight % neodymium, 0.15 weight % manganese, the magnesium of surplus.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
Comparative example 1
Rotary compressor is formed with base by SPHC steel plates, thickness 2.0mm.
Above-mentioned rotary compressor is used for rotary compressor with base, detects the tension of above-mentioned rotary compressor base
Intensity and damping capacity SDC, testing result are shown in Table 1.
The tensile property and damping capacity SDC of the rotary compressor base of table 1
| Tensile strength (MPa) | SDC% | |
| Embodiment 1 | 225 | 32 |
| Embodiment 2 | 240 | 38 |
| Embodiment 3 | 150 | 45 |
| Embodiment 4 | 196 | 42 |
| Embodiment 5 | 165 | 48 |
| Comparative example 1 | 335 | 2 |
Conclusion：Though the as it can be seen from table 1 tensile strength relative contrast example 1 of embodiment 1-5 rotary compressor base
So decrease, but remain above 120MPa, disclosure satisfy that the requirement of compressor, and damping capacity is all remarkably higher than comparative example
1.Thus, illustrate that using the rotary compressor base formed by magnesium alloy of the embodiment of the present invention rotation pressure can be significantly reduced
The rapping of contracting machine and noise.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Different embodiments or example and the feature of different embodiments or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of rotary compressor base, it is characterised in that the base is formed by magnesium alloy.
2. rotary compressor base according to claim 1, it is characterised in that the magnesium alloy includes：0.1-10 weights
Measure % zinc, 0-0.5 weight % copper, 0-10 weight % aluminium, 0-1.0 weight % zirconiums, and the magnesium of surplus.
3. rotary compressor base according to claim 1, it is characterised in that the magnesium alloy is also comprising rare earth member
Element, the rare earth element are selected from least one of neodymium, cerium and yttrium.
4. rotary compressor base according to claim 1, it is characterised in that the magnesium alloy also comprising manganese, silicon and
At least one of calcium.
5. rotary compressor base according to claim 1, it is characterised in that the base is by by the magnesium alloy
Punch welding is formed.
6. rotary compressor base according to claim 1, it is characterised in that the damping capacity SDC of the base is not
Less than 20%.
7. rotary compressor base according to claim 1, it is characterised in that the tensile strength of the base is not less than
120MPa。
8. a kind of rotary compressor, it is characterised in that the rotary compressor has the rotation described in claim any one of 1-7
Compressor base.
9. rotary compressor according to claim 8, it is characterised in that the rotary compressor is single cylinder rotary compression
Machine, twin-tub rotation-type compressor or multi-cylinder rotary compressor.
10. a kind of refrigeration plant, it is characterised in that the refrigeration plant has the rotary compressor described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770263.4A CN107448389B (en) | 2017-08-31 | 2017-08-31 | Base for rotary compressor, rotary compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770263.4A CN107448389B (en) | 2017-08-31 | 2017-08-31 | Base for rotary compressor, rotary compressor and refrigeration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448389A true CN107448389A (en) | 2017-12-08 |
| CN107448389B CN107448389B (en) | 2021-12-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770263.4A Active CN107448389B (en) | 2017-08-31 | 2017-08-31 | Base for rotary compressor, rotary compressor and refrigeration equipment |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385006A (en) * | 2018-03-19 | 2018-08-10 | 山西瑞格金属新材料有限公司 | High-strength anti-flaming diecast magnesium alloy and preparation method thereof |
| CN109207824A (en) * | 2017-06-29 | 2019-01-15 | 比亚迪股份有限公司 | A kind of magnesium alloy and preparation method thereof and mobile phone |
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|---|---|---|---|---|
| JP2005061350A (en) * | 2003-08-18 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Compressor equipped with accumulator |
| CN101248201A (en) * | 2005-07-20 | 2008-08-20 | Gkss-盖斯特哈赫特研究中心有限责任公司 | Magnesium alloy |
| CN103981415A (en) * | 2014-05-09 | 2014-08-13 | 曹帅 | High-damping Mg-based damping alloy and preparation method thereof |
| CN204478318U (en) * | 2015-01-21 | 2015-07-15 | 美的集团武汉制冷设备有限公司 | Compressor position limiting structure and air-conditioner |
| CN105443649A (en) * | 2016-01-15 | 2016-03-30 | 重庆大学 | High-damp magnesium alloy vibration isolation structure and application thereof |
-
2017
- 2017-08-31 CN CN201710770263.4A patent/CN107448389B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005061350A (en) * | 2003-08-18 | 2005-03-10 | Matsushita Electric Ind Co Ltd | Compressor equipped with accumulator |
| CN101248201A (en) * | 2005-07-20 | 2008-08-20 | Gkss-盖斯特哈赫特研究中心有限责任公司 | Magnesium alloy |
| CN103981415A (en) * | 2014-05-09 | 2014-08-13 | 曹帅 | High-damping Mg-based damping alloy and preparation method thereof |
| CN204478318U (en) * | 2015-01-21 | 2015-07-15 | 美的集团武汉制冷设备有限公司 | Compressor position limiting structure and air-conditioner |
| CN105443649A (en) * | 2016-01-15 | 2016-03-30 | 重庆大学 | High-damp magnesium alloy vibration isolation structure and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207824A (en) * | 2017-06-29 | 2019-01-15 | 比亚迪股份有限公司 | A kind of magnesium alloy and preparation method thereof and mobile phone |
| CN108385006A (en) * | 2018-03-19 | 2018-08-10 | 山西瑞格金属新材料有限公司 | High-strength anti-flaming diecast magnesium alloy and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107448389B (en) | 2021-12-31 |
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