CN104498792B - A kind of fast erosion magnesium-alloy material and preparation method thereof - Google Patents
A kind of fast erosion magnesium-alloy material and preparation method thereof Download PDFInfo
- Publication number
- CN104498792B CN104498792B CN201410810629.2A CN201410810629A CN104498792B CN 104498792 B CN104498792 B CN 104498792B CN 201410810629 A CN201410810629 A CN 201410810629A CN 104498792 B CN104498792 B CN 104498792B
- Authority
- CN
- China
- Prior art keywords
- magnesium
- ingot
- nickel
- alloy
- aluminum
- 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.)
- Expired - Fee Related
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
The present invention relates to a kind of fast erosion magnesium-alloy material, this alloy product is grouped into by the one-tenth of following weight percentage ratio: the aluminum of 1 ~ 6%, the zinc of 1 ~ 6%, the ferrum of 1 ~ 3%, the copper of 5 ~ 15%, the silver of 0.1 ~ 1%, the nickel of 0.1 ~ 1.2%, and surplus is magnesium.Meanwhile, the invention also discloses the preparation method of this alloy product.The present invention makes full use of the effect of aluminum and zinc element to improve intensity and the hardness of magnesium alloy; copper, ferrum, silver, nickel element improve corrosion rate; by the proportioning between regulation and control metallic element; its mechanical property and corrosion rate is made all to increase substantially; thus reach to can be used as structural member and can play again protection equipment, under given conditions can also self rapidly-soluble purpose.
Description
Technical field
The present invention relates to metal alloy compositions technical field, particularly relate to a kind of fast erosion magnesium-alloy material and preparation thereof
Method.
Background technology
Magnesium alloy is with magnesium as matrix, adds the alloy that other elements are formed, and is characterized in little (the 1. 8g/cm3 of density
About magnesium alloy), specific strength is high, elastic modelling quantity big, good heat dissipation, shock absorbing is good, the load-carrying ability that withstands shocks is bigger than aluminium alloy, it
It is the lightest metal in practical metal, high intensity, high rigidity.Along with industrial expansion, the consumption of metal material gets more and more,
So corrosion and corrosion protection problem become more and more important.
Corrosion of metal has a variety of, and electrochemical corrosion is one of most important of which corrosion, and cathodic protection is a kind of
Important electrochemical metal corrosion protection method, makes hardware cathodic polarization be protected.Sacrificial protection excellent
Point be need not additional power source, without interference with adjacent metal facility, current dissipation ability is good, be easily managed and maintenance etc., thus
It is widely used,
But for magnesium alloy materials existing on market, can not be met some under the conditions of neutral environment special
The material of requirement, such as fast erosion, this makes urgently to research and develop a kind of special magnesium alloy to meet this demand.
Summary of the invention
It is fast that the technical problem to be solved is to provide a kind of mechanical property and corrosion rate all increases substantially
Speed corrosion magnesium-alloy material.
Another technical problem to be solved by this invention is to provide the preparation method of this fast erosion magnesium-alloy material.
For solving the problems referred to above, a kind of fast erosion magnesium-alloy material of the present invention, it is characterised in that: this alloy produces
Product are grouped into by the one-tenth of following weight percentage ratio: the aluminum of 1 ~ 6%, the zinc of 1 ~ 6%, the ferrum of 1 ~ 3%, the copper of 5 ~ 15%, the silver of 0.1 ~ 1%,
The nickel of 0.1 ~ 1.2%, surplus is magnesium.
The preparation method of a kind of fast erosion magnesium-alloy material as above, comprises the following steps:
(1) magnesium-the copper alloy containing 30% bronze medal is carried out pretreatment: the magnesium-copper alloy containing 30% bronze medal is cut into 20mm × 20mm ×
The fritter of 20mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature be
Dry to constant weight under conditions of 101 DEG C, obtain pretreated magnesium-copper alloy；
(2) the aluminum-nickel alloy containing 50% nickel is carried out pretreatment: the aluminum-nickel alloy containing 50% nickel is cut into 10mm × 10mm ×
The fritter of 10mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature be
Dry to constant weight under conditions of 101 DEG C, obtain pretreated aluminum-nickel alloy；
The most respectively magnesium ingot, aluminium ingot, zinc ingot metal are carried out pretreatment: respectively magnesium ingot, aluminium ingot, zinc ingot metal are cut into 100mm × 50mm
The fritter of × 20mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature
Dry to constant weight under conditions of being 101 DEG C, i.e. respectively obtain pretreated magnesium ingot, aluminium ingot, zinc ingot metal；
The most respectively iron powder and argentum powder are carried out pretreatment: be 101 by the iron powder of granularity >=100 mesh and argentum powder in temperature respectively
Dry under conditions of DEG C to constant weight, i.e. respectively obtain dry iron powder and the argentum powder being dried；
(5) use conventional method, convert described pretreated magnesium ingot, aluminium ingot, zinc ingot metal and described pretreatment by 1kg product
After magnesium-copper alloy, described pretreated aluminum-nickel alloy, described dry iron powder, the consumption of described dry argentum powder, so
After they are added sequentially in smelting furnace, under the protection of noble gas argon, be warming up to 660 ~ 750 DEG C make it melt, and stir
Mix uniformly, obtain fused mass；Described fused mass is cooled to 660 ~ 700 DEG C after being incubated 25 ~ 35 minutes at 700 DEG C ~ 750 DEG C, and
Casting after standing 10 ~ 20 minutes at a temperature of Gai, obtain ingot casting, this ingot casting naturally cools to room temperature, obtains fast erosion magnesium
Alloy product.
Described magnesium ingot, aluminium ingot, zinc ingot metal, the magnesium-copper alloy containing 30% bronze medal, that the aluminum-nickel alloy containing 50% nickel is technical grade is pure
Degree and more than.
Iron powder, argentum powder are technical grade.
The present invention compared with prior art has the advantage that
1, the present invention makes full use of the effect of aluminum and zinc element to improve intensity and the hardness of magnesium alloy, copper, ferrum, silver, nickel
Corrosion rate usually improves in unit, by the proportioning between regulation and control metallic element so that it is mechanical property and corrosion rate are the most significantly
(seeing table 1, the test of corrosion rate is with reference to JB/T 7901-1999, and actual conditions is that sample block is molten at the KCl of 60 DEG C, 3% in raising
Liquid is tested), more than its tensile strength 300MPa, corrosion rate is more than 5 times of common sacrificial anode magnesium alloy, can meet certain
Performance required by a little specific constructions, such as oil-gas field fracturing construction, expendable material, thus reaches to can be used as structural member and can rise again
To protection equipment, under given conditions can also self rapidly-soluble purpose.
Table 1
Detailed description of the invention
1 one kinds of fast erosion magnesium-alloy materials of embodiment, this alloy product is by the composition of following weight percentage ratio (g/g)
Composition: the aluminum of 1%, the zinc of 6%, the ferrum of 1%, the copper of 10%, the silver of 0.1%, the nickel of 0.1%, surplus is magnesium.
The preparation method of this fast erosion magnesium-alloy material, comprises the following steps:
(1) magnesium-the copper alloy containing 30% bronze medal is carried out pretreatment: the magnesium-copper alloy containing 30% bronze medal is cut into 20mm × 20mm ×
The fritter of 20mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature be
Dry to constant weight under conditions of 101 DEG C, obtain pretreated magnesium-copper alloy.
(2) the aluminum-nickel alloy containing 50% nickel is carried out pretreatment: the aluminum-nickel alloy containing 50% nickel is cut into 10mm × 10mm ×
The fritter of 10mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature be
Dry to constant weight under conditions of 101 DEG C, obtain pretreated aluminum-nickel alloy.
The most respectively magnesium ingot, aluminium ingot, zinc ingot metal are carried out pretreatment: respectively magnesium ingot, aluminium ingot, zinc ingot metal are cut into 100mm × 50mm
The fritter of × 20mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature
Dry to constant weight under conditions of being 101 DEG C, i.e. respectively obtain pretreated magnesium ingot, aluminium ingot, zinc ingot metal.
The most respectively iron powder and argentum powder are carried out pretreatment: be 101 by the iron powder of granularity >=100 mesh and argentum powder in temperature respectively
Dry under conditions of DEG C to constant weight, i.e. respectively obtain dry iron powder and the argentum powder being dried.
(5) by pretreated magnesium ingot 585g, aluminium ingot 9g, zinc ingot metal 60g and pretreated magnesium-copper alloy 333g, pretreatment
After aluminum-nickel alloy 2g, dry iron powder 10g, dry argentum powder 1g be added sequentially in smelting furnace, at noble gas argon
Being warming up to 660 ~ 750 DEG C under protection makes it melt, and stirs, and obtains fused mass；Described fused mass is 700 DEG C ~ 750 DEG C guarantors
Temperature was cooled to 660 ~ 700 DEG C after 25 ~ 35 minutes, and cast after standing 10 ~ 20 minutes at such a temperature, obtained ingot casting, should
Ingot casting naturally cools to room temperature, obtains fast erosion magnesium-alloy material.
2 one kinds of fast erosion magnesium-alloy materials of embodiment, this alloy product is by the composition of following weight percentage ratio (g/g)
Composition: the aluminum of 6%, the zinc of 1%, the ferrum of 3%, the copper of 5%, the silver of 1%, the nickel of 1.2%, surplus is magnesium.
The preparation method of this fast erosion magnesium-alloy material, comprises the following steps:
(1) magnesium-the copper alloy containing 30% bronze medal is carried out pretreatment with embodiment 1.
(2) the aluminum-nickel alloy containing 50% nickel is carried out pretreatment with embodiment 1.
The most respectively magnesium ingot, aluminium ingot, zinc ingot metal are carried out pretreatment with embodiment 1.
The most respectively iron powder and argentum powder are carried out pretreatment with embodiment 1.
(5) by pretreated magnesium ingot 711g, aluminium ingot 48g, zinc ingot metal 10g and pretreated magnesium-copper alloy 167g, locate in advance
Aluminum-nickel alloy 24g after reason, dry iron powder 30g, dry argentum powder 10g are added sequentially in smelting furnace, in inert gas argon
Being warming up to 660 ~ 750 DEG C under the protection of gas makes it melt, and stirs, and obtains fused mass；Described fused mass is 700 DEG C ~ 750
DEG C insulation was cooled to 660 ~ 700 DEG C after 25 ~ 35 minutes, and cast after standing 10 ~ 20 minutes at such a temperature, was cast
Ingot, this ingot casting naturally cools to room temperature, obtains fast erosion magnesium-alloy material.
3 one kinds of fast erosion magnesium-alloy materials of embodiment, this alloy product is by the composition of following weight percentage ratio (g/g)
Composition: the aluminum of 3%, the zinc of 3%, the ferrum of 2%, the copper of 15%, the silver of 0.5%, the nickel of 0.5%, surplus is magnesium.
The preparation method of this fast erosion magnesium-alloy material, comprises the following steps:
(1) magnesium-the copper alloy containing 30% bronze medal is carried out pretreatment with embodiment 1.
(2) the aluminum-nickel alloy containing 50% nickel is carried out pretreatment with embodiment 1.
The most respectively magnesium ingot, aluminium ingot, zinc ingot metal are carried out pretreatment with embodiment 1.
The most respectively iron powder and argentum powder are carried out pretreatment with embodiment 1.
(5) by pretreated magnesium ingot 410kg, aluminium ingot 25g, zinc ingot metal 30g and pretreated magnesium-copper alloy 500g, locate in advance
Aluminum-nickel alloy 10g after reason, dry iron powder 20g, dry argentum powder 5g are added sequentially in smelting furnace, in inert gas argon
Being warming up to 660 ~ 750 DEG C under the protection of gas makes it melt, and stirs, and obtains fused mass；Described fused mass is 700 DEG C ~ 750
DEG C insulation was cooled to 660 ~ 700 DEG C after 25 ~ 35 minutes, and cast after standing 10 ~ 20 minutes at such a temperature, was cast
Ingot, this ingot casting naturally cools to room temperature, obtains fast erosion magnesium-alloy material.
In above-described embodiment 1 ~ 3, magnesium ingot, aluminium ingot, zinc ingot metal, the magnesium-copper alloy containing 30% bronze medal, the aluminum-nickel alloy containing 50% nickel
Be technical grade purity and more than.Iron powder, argentum powder are technical grade.
Claims (3)
1. a fast erosion magnesium-alloy material, it is characterised in that: this alloy product is grouped into by the one-tenth of following weight percentage ratio:
The aluminum of 1 ~ 6%, the zinc of 1 ~ 6%, the ferrum of 1 ~ 3%, the copper of 5 ~ 15%, the silver of 0.1 ~ 1%, the nickel of 0.1 ~ 1.2%, surplus is magnesium；
Its preparation method, comprises the following steps:
(1) magnesium-the copper alloy containing 30% bronze medal is carried out pretreatment: the magnesium-copper alloy containing 30% bronze medal is cut into 20mm × 20mm × 20mm
Fritter, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, be 101 in temperature
Dry under conditions of DEG C to constant weight, obtain pretreated magnesium-copper alloy；
(2) the aluminum-nickel alloy containing 50% nickel is carried out pretreatment: the aluminum-nickel alloy containing 50% nickel is cut into 10mm × 10mm × 10mm
Fritter, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, be 101 in temperature
Dry under conditions of DEG C to constant weight, obtain pretreated aluminum-nickel alloy；
The most respectively magnesium ingot, aluminium ingot, zinc ingot metal are carried out pretreatment: respectively magnesium ingot, aluminium ingot, zinc ingot metal are cut into 100mm × 50mm ×
The fritter of 20mm, and remove oxide and the greasy dirt on surface according to a conventional method, then after anhydrous alcohol cleans up, in temperature be
Dry to constant weight under conditions of 101 DEG C, i.e. respectively obtain pretreated magnesium ingot, aluminium ingot, zinc ingot metal；
The most respectively iron powder and argentum powder are carried out pretreatment: be 101 DEG C by the iron powder of granularity >=100 mesh and argentum powder in temperature respectively
Under the conditions of dry to constant weight, i.e. respectively obtain dry iron powder and be dried argentum powder；
(5) use conventional method, convert described pretreated magnesium ingot, aluminium ingot, zinc ingot metal and described pretreated by 1kg product
Magnesium-copper alloy, described pretreated aluminum-nickel alloy, described dry iron powder, the consumption of described dry argentum powder, then will
They are added sequentially in smelting furnace, be warming up to 660 ~ 750 DEG C and make it melt under the protection of noble gas argon, and stir all
Even, obtain fused mass；Described fused mass is cooled to 660 ~ 700 DEG C after being incubated 25 ~ 35 minutes at 700 DEG C ~ 750 DEG C, and in this temperature
The lower standing of degree was cast after 10 ~ 20 minutes, obtained ingot casting, and this ingot casting naturally cools to room temperature, obtains fast erosion magnesium alloy
Product.
2. fast erosion magnesium-alloy material as claimed in claim 1 a kind of, it is characterised in that: described magnesium ingot, aluminium ingot, zinc ingot metal,
Magnesium-copper alloy containing 30% bronze medal, the aluminum-nickel alloy containing 50% nickel be technical grade purity and more than.
3. a kind of fast erosion magnesium-alloy material as claimed in claim 1, it is characterised in that: described iron powder, argentum powder are work
Industry level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410810629.2A CN104498792B (en) | 2014-12-24 | 2014-12-24 | A kind of fast erosion magnesium-alloy material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410810629.2A CN104498792B (en) | 2014-12-24 | 2014-12-24 | A kind of fast erosion magnesium-alloy material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104498792A CN104498792A (en) | 2015-04-08 |
| CN104498792B true CN104498792B (en) | 2016-08-17 |
Family
ID=52940242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410810629.2A Expired - Fee Related CN104498792B (en) | 2014-12-24 | 2014-12-24 | A kind of fast erosion magnesium-alloy material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104498792B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499921A (en) * | 2015-12-15 | 2016-04-20 | 青海柴达木青元泛镁科技有限公司 | Preparation method of high-strength and high-instant-solubility light fracture ball |
| CN105537865B (en) * | 2015-12-15 | 2019-03-26 | 青海柴达木青元泛镁科技有限公司 | A kind of preparation method of high-intensitive, low-density lightweight cycle frame |
| CN105543744B (en) * | 2015-12-15 | 2018-12-11 | 青海柴达木青元泛镁科技有限公司 | A kind of preparation method of high-intensitive, low-density lightweight unmanned plane wing |
| CN105478748B (en) * | 2015-12-15 | 2018-08-28 | 青海柴达木青元泛镁科技有限公司 | A kind of preparation method of the lightweight temporary plugging ball of high-strength, high instant capacity |
| CN105950930B (en) * | 2016-06-24 | 2018-02-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of solvable extruded Magnesium Alloy and preparation method thereof |
| CN110016598A (en) * | 2019-04-14 | 2019-07-16 | 太原理工大学 | A kind of high intensity fast erosion magnesium alloy and preparation method thereof |
| WO2021075552A1 (en) | 2019-10-18 | 2021-04-22 | 株式会社栗本鐵工所 | Degradable magnesium alloy |
| CN111218593B (en) * | 2020-03-09 | 2021-02-02 | 厦门火炬特种金属材料有限公司 | Preparation method of rapidly-dissolved magnesium alloy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586605A (en) * | 2011-01-18 | 2012-07-18 | 华孚精密金属科技(常熟)有限公司 | Method for recovering aluminum-containing magnesium alloy waste material |
| CN103343271A (en) * | 2013-07-08 | 2013-10-09 | 中南大学 | Light and pressure-proof fast-decomposed cast magnesium alloy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232332A (en) * | 1989-03-07 | 1990-09-14 | Tech Res & Dev Inst Of Japan Def Agency | Highly corrosive magnesium alloy |
-
2014
- 2014-12-24 CN CN201410810629.2A patent/CN104498792B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586605A (en) * | 2011-01-18 | 2012-07-18 | 华孚精密金属科技(常熟)有限公司 | Method for recovering aluminum-containing magnesium alloy waste material |
| CN103343271A (en) * | 2013-07-08 | 2013-10-09 | 中南大学 | Light and pressure-proof fast-decomposed cast magnesium alloy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104498792A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104498792B (en) | A kind of fast erosion magnesium-alloy material and preparation method thereof | |
| Sun et al. | Effect of Zr on the microstructure, mechanical properties and corrosion resistance of Mg–10Gd–3Y magnesium alloy | |
| El-Daly et al. | Structural characterization and creep resistance of nano-silicon carbide reinforced Sn–1.0 Ag–0.5 Cu lead-free solder alloy | |
| El-Daly et al. | Improved strength of Ni and Zn-doped Sn–2.0 Ag–0.5 Cu lead-free solder alloys under controlled processing parameters | |
| Azarbarmas et al. | Microstructure, hardness and tensile properties of A380 aluminum alloy with and without Li additions | |
| dos Santos et al. | Influence of injection temperature and pressure on the microstructure, mechanical and corrosion properties of a AlSiCu alloy processed by HPDC | |
| Gang et al. | Effects of Sr and Y on microstructure and corrosion resistance of AZ31 magnesium alloy | |
| Zhang et al. | Microstructure and mechanical properties of as-cast and extruded Mg–8Li–3Al–2Zn–0.5 Nd alloy | |
| Rajeshkumar et al. | Investigation on the microstructure, mechanical properties and corrosion behavior of Mg-Sb and Mg-Sb-Si alloys | |
| Yang et al. | Effects of Y addition on as-cast microstructure and mechanical properties of Mg–3Sn–2Ca (wt.%) magnesium alloy | |
| Yang et al. | Effects of Gd addition on as-cast microstructure and mechanical properties of Mg–3Sn–2Ca magnesium alloy | |
| CN107227421B (en) | Magnesium lithium alloy and preparation method thereof | |
| Jafari et al. | The effects of zirconium and beryllium on microstructure evolution, mechanical properties and corrosion behaviour of as-cast AZ63 alloy | |
| Spinelli et al. | The use of a directional solidification technique to investigate the interrelationship of thermal parameters, microstructure and microhardness of Bi–Ag solder alloys | |
| Feng et al. | Exploring Cu2O/Cu cermet as a partially inert anode to produce aluminum in a sustainable way | |
| Yang et al. | As-cast microstructures and mechanical properties of Mg–4Zn–xY–1Ca (x= 1.0, 1.5, 2.0, 3.0) magnesium alloys | |
| Paixão et al. | Microstructure characterization and tensile properties of directionally solidified Sn-52 wt% Bi-1wt% Sb and Sn-52wt% Bi-2wt% Sb alloys | |
| Yang et al. | Comparison of as-cast microstructure, tensile and creep properties for Mg-3Sn-1Ca and Mg-3Sn-2Ca magnesium alloys | |
| Lee et al. | The effects of alloying elements on microstructure and properties of gravity casting Mg–Sn–Al–Si alloy | |
| CN103834840B (en) | High-strength magnesium based material of a kind of flame-proof heat-resistant and preparation method thereof | |
| Cai et al. | Existing forms of Gd in AZ91 magnesium alloy and its effects on mechanical properties | |
| CN104060280A (en) | Aluminum alloy sacrificial anode suitable for deep sea environment and high in current efficiency | |
| Delong et al. | Effect of lanthanum addition on microstructure and corrosion behavior of Al-Sn-Bi anodes | |
| CN105088002A (en) | Copper-aluminum-iron-nickel-manganese-tungsten-molybdenum alloy with improved thermal fatigue resistant property | |
| CN104368791B (en) | Magnesium/solid and liquid magnesium composite casting forming method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGHAI TSAIDAM QINGYUAN MAGNESIUM SCIENCE + TECHN Effective date: 20150410 Owner name: ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF SOUTH Free format text: FORMER OWNER: QINGHAI TSAIDAM QINGYUAN MAGNESIUM SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 817099 HAIXI MONGOL AND TIBETAN AUTONOMOUS PREFECTURE, QINGHAI PROVINCE TO: 618000 DEYANG, SICHUAN PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20150410 Address after: 618000 Deyang city of Sichuan province Longquan mountain road, No. 298 Applicant after: Engineering Technology Research Institute of Southwest Oil Gas Branch, SINOPEC Applicant after: Qaidam, Qinghai Qing Yuanfan Magnesium Technology Co., Ltd Address before: 817099 Qinghai Province, Jianshe Road Haixi Mongolian Tibetan Autonomous Prefecture of Delingha City, No. 1 Applicant before: Qaidam, Qinghai Qing Yuanfan Magnesium Technology Co., Ltd |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20161224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |