CN110066949A - A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof - Google Patents
A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof Download PDFInfo
- Publication number
- CN110066949A CN110066949A CN201910479180.9A CN201910479180A CN110066949A CN 110066949 A CN110066949 A CN 110066949A CN 201910479180 A CN201910479180 A CN 201910479180A CN 110066949 A CN110066949 A CN 110066949A
- Authority
- CN
- China
- Prior art keywords
- magnesium
- alloy
- preparation
- melt
- minutes
- 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.)
- Pending
Links
Classifications
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of nickel modified silicon-containing magnesium alloys and preparation method thereof, belong to metallurgical material technical field.The component and weight percent of alloy of the present invention are as follows: aluminium: 0-6.5%, silicon: 0.5-2.0%, nickel: 0.1-1.0%, remainder is magnesium and inevitable impurity.The preparation process of alloy of the present invention are as follows: under gas shield, after the fusing of pure magnesium, fine aluminium and pure silicon, Al-Ni Mg-Ni intermediate alloy is added, is cast after being refined to aluminium alloy.The present invention is by containing Ni being added in Si-Mg alloy come refining alloy crystallite dimension, Mg in modified silicon-containing magnesium alloy2Si hardening constituent, plays the role of structure refinement and alloy strengthening.
Description
Technical field
The present invention relates to a kind of nickel modified silicon-containing magnesium alloys and preparation method thereof, belong to metallurgical material technical field.
Background technique
Magnesium alloy is most light in all structural metallic materials, and specific strength, specific stiffness are high, castability, machining
Property and damping vibration attenuation it is good, electromagnetic shielding capability is strong and is easy to recycle, in automobile, computer, communication, electronics, aviation boat
The industrial circles such as it have important application value.In recent years, with various metals mineral resources gradually decrease and exhausted, magnesium
Good development prospect is presented because of its resourceful advantage in alloy, and structure lightened and environmental protection needs are even more to promote
The exploitation of magnesium alloy.
It is a kind of commercially widely applied heat resistance magnesium alloy containing Si-Mg alloy, this is because the Mg that silicon and magnesium are formed2Si
Hardening constituent fusing point is high (1085 DEG C), and density is close with magnesium matrix, and elasticity modulus is high, and thermal expansion coefficient is low, and still, this alloy is only
The suitable faster die casting preparation of cooling velocity, and sand mold or permanent mold casting cannot be used, the reason is that the slower Mg of cooling velocity2Si
Hardening constituent will form coarse dendroid or Chinese character shape pattern, isolate matrix, to deteriorate the mechanical property of alloy, how refine
The tissue of alloy especially Mg2Si phase becomes the key to solve the problem key.
Summary of the invention
The object of the present invention is in order to overcome existing siliceous Magnesium Alloy, Mg2The drawbacks such as Si hardening constituent is coarse improve
Siliceous magnesium alloy mechanical property, to expand the application range containing Si-Mg alloy, the present invention proposes a kind of nickel modified silicon-containing magnesium alloy
And preparation method thereof.
The technical solution that the present invention realizes is as follows, a kind of nickel modified silicon-containing magnesium alloy, its component and weight percent are:
Aluminium: 0-6.5 %, silicon: 0.5-2.0 %, nickel: 0.1-1.0 %, remainder are Mg and inevitable impurity.
A kind of preparation method of nickel modified silicon-containing magnesium alloy, comprising the following steps:
(1) pure magnesium, fine aluminium, pure silicon are preheated, and dried；Refining agent and mold are preheated；
(2) by pure magnesium in CO2With SF6Preheating is added when melt temperature rises to 710-730 DEG C in mixed gas protected lower fusing
Fine aluminium, pure silicon, then and intermediate alloy containing Ni stirs to alloying element and is completely dissolved into melt, melt is warming up to 740-
It 760 DEG C and refining agent is added is refined, be cooled to 710-740 DEG C after heat preservation 30-40 minutes at 740-760 DEG C；
(3) after skimming operation, in CO2With SF6Mixed gas protected lower carry out cast molding.
The Adding Way of the intermediate alloy containing Ni is as follows: it is dry and after aluminium foil wraps up to contain Ni intermediate alloy, uses clock
Cover is rapidly 10-15 minute below indentation melt liquid level, and melt is smart to aluminium alloy at 740-760 DEG C after heat preservation 30-40 minutes
It is cast after refining.
The intermediate alloy containing Ni is Mg-Ni intermediate alloy form or Al-Ni intermediate alloy form.
The CO2With SF6SF in mixed gas6Volume fraction is 0.5 %.
The cast molding, using die casting, low pressure casting, permanent mold casting or sand casting.
The pure magnesium, fine aluminium, pure silicon preheating temperature be 160-210 DEG C, preheating time be 15-25 minutes；Refining agent
And the preheating temperature of mold is 160-210 DEG C, preheating time is 25-55 minutes.
Beneficial effects of the present invention: the present invention is by passing through addition Mg-Ni intermediate alloy or Al-Ni containing Si-Mg alloy
Intermediate alloy carrys out refining alloy crystallite dimension, and Mg2Si hardening constituent in modified silicon-containing magnesium alloy, plays structure refinement and alloy is strong
The effect of change.Invention smelting technology is simple, and cost of alloy is low, and intensity and plasticity are high.
Specific embodiment
A specific embodiment of the invention is as follows:
Embodiment 1
The alloying component (by weight percentage) of the present embodiment are as follows: aluminium accounts for 2%, and silicon accounts for 1%, Ni and accounts for 0.2%, remaining is for magnesium and not
Evitable impurity.
Firstly, by pure magnesium, fine aluminium, pure silicon 160-210 DEG C preheating 15-25 minutes, and dry；By refining agent in 160-
210 DEG C preheating 25-55 minutes；Then, by pure magnesium in CO2With SF6Mixed gas (SF6Volume fraction is that 0.5%) protection down enters
It is melted in resistance furnace, when melt temperature rises to 710 DEG C, fine aluminium, pure silicon and Al-10Ni intermediate alloy, institute is added into melt
The Adding Way for stating Ni element is: by the drying of Al-10Ni intermediate alloy and after aluminium foil wraps up, being pressed into melt liquid rapidly with bell jar
10 minutes below face；Then, stirring to alloying element is completely dissolved into melt, and melt is warming up to 760 DEG C and addition accounts for melt weight
The RJ-2 flux of amount 1.2% is refined, and is cooled to 740 DEG C after forty minutes in 760 DEG C of heat preservations, and skimming operation is cast, casting
It is preheated 45 minutes with mold at 160 DEG C.
Embodiment 2
The alloying component (by weight percentage) of the present embodiment are as follows: aluminium accounts for 4%, and silicon accounts for 1%, Ni and accounts for 0.4%, remaining is for magnesium and not
Evitable impurity.
Firstly, by pure magnesium, fine aluminium, pure silicon 160-210 DEG C preheating 15-25 minutes, and dry.By refining agent in 160-
210 DEG C preheating 25-55 minutes；Then, by pure magnesium in CO2With SF6Mixed gas (SF6Volume fraction is that 0.5%) protection down enters
It is melted in resistance furnace, when melt temperature rises to 710 DEG C, fine aluminium, pure silicon and Mg-5Ni intermediate alloy is added into melt, it is described
The Adding Way of Ni element is: by the drying of Mg-5Ni intermediate alloy and after aluminium foil wraps up, being pressed into melt liquid level rapidly with bell jar
15 minutes below；Then, stirring to alloying element is completely dissolved into melt, and melt is warming up to 760 DEG C and addition accounts for melt weight
1.2% RJ-2 flux is refined, and is cooled to 740 DEG C after forty minutes in 760 DEG C of heat preservations, and skimming operation is cast, and casting is used
Mold preheats 45 minutes at 160 DEG C.
Embodiment 3
The alloying component (by weight percentage) of the present embodiment are as follows: aluminium accounts for 4%, and silicon accounts for 1%, Ni and accounts for 0.6%, remaining is for magnesium and not
Evitable impurity.
Firstly, by pure magnesium, fine aluminium, pure silicon 160-210 DEG C preheating 15-25 minutes, and dry；By refining agent in 160-
210 DEG C preheating 25-55 minutes；Then, by pure magnesium in CO2With SF6Mixed gas (SF6Volume fraction is that 0.5%) protection down enters
It is melted in resistance furnace, after fusing when melt temperature rises to 710 DEG C, is added among fine aluminium, pure silicon and Mg-5Ni and closes into melt
The Adding Way of gold, the Ni element is: by the drying of Mg-5Ni intermediate alloy and after aluminium foil wraps up, being pressed into rapidly with bell jar molten
12 minutes below body fluid face；Then, stirring is completely dissolved into melt to alloying element, by melt be warming up to 760 DEG C and be added account for it is molten
The RJ-2 flux of body weight 1.2% is refined, and is cooled to 740 DEG C after forty minutes in 760 DEG C of heat preservations, and skimming operation is cast,
Casting mold preheats 45 minutes at 160 DEG C.
Embodiment 4
The alloying component (by weight percentage) of the present embodiment are as follows: aluminium accounts for 6%, and silicon accounts for 1%, Ni and accounts for 0.8%, remaining is for magnesium and not
Evitable impurity.
Firstly, by pure magnesium, fine aluminium, pure silicon 160-210 DEG C preheating 15-25 minutes, and dry；By refining agent in 160-
210 DEG C preheating 25-55 minutes；Then, by pure magnesium in CO2With SF6Mixed gas (SF6Volume fraction is that 0.5%) protection down enters
It is melted in resistance furnace, after fusing when melt temperature rises to 710 DEG C, is added among fine aluminium, pure silicon and Al-10Ni and closes into melt
The Adding Way of gold, the Ni element is: by the drying of Al-10Ni intermediate alloy and after aluminium foil wraps up, being pressed into rapidly with bell jar
15 minutes below melt liquid level；Then, stirring to alloying element is completely dissolved into melt, and melt is warming up to 760 DEG C and addition accounts for
The RJ-2 flux of melt weight 1.2% is refined, and is cooled to 740 DEG C after forty minutes in 760 DEG C of heat preservations, skimming operation is poured
Casting, casting mold preheat 45 minutes at 160 DEG C.
Claims (7)
- The magnesium alloy containing Si 1. a kind of Ni goes bad, which is characterized in that its component and weight percent are:Aluminium: 0-6.5 %, silicon: 0.5-2.0 %, nickel: 0.1-1.0 %, remainder are Mg and inevitable impurity.
- 2. Ni according to claim 1 go bad the magnesium alloy containing Si preparation method, which is characterized in that the method includes with Lower step:(1) first pure magnesium, fine aluminium, pure silicon are preheated, and dried；Refining agent and mold are preheated；(2) by pure magnesium in CO2With SF6Preheating is added when melt temperature rises to 710-730 DEG C in mixed gas protected lower fusing Fine aluminium, pure silicon, then and intermediate alloy containing Ni stirs to alloying element and is completely dissolved into melt, melt is warming up to 740- It 760 DEG C and refining agent is added is refined, be cooled to 710-740 DEG C after heat preservation 30-40 minutes at 740-760 DEG C；(3) after skimming operation, in CO2With SF6Mixed gas protected lower carry out cast molding.
- The preparation method of the magnesium alloy containing Si 3. Ni according to claim 2 goes bad, which is characterized in that described containing conjunction among Ni The Adding Way of gold is as follows: it is dry and after aluminium foil wraps up to contain Ni intermediate alloy, is pressed into melt liquid level or less rapidly with bell jar 10-15 minutes, melt was at 740-760 DEG C after heat preservation 30-40 minutes, to casting after aluminium alloy refining.
- The preparation method of the magnesium alloy containing Si 4. Ni according to claim 2 goes bad, which is characterized in that described containing conjunction among Ni Gold is Mg-Ni intermediate alloy form or Al-Ni intermediate alloy form.
- The preparation method of the magnesium alloy containing Si 5. Ni according to claim 2 goes bad, which is characterized in that the CO2With SF6It is mixed Close SF in gas6Volume fraction is 0.5 %.
- The preparation method of the magnesium alloy containing Si 6. Ni according to claim 2 goes bad, which is characterized in that the cast molding, Using die casting, low pressure casting, permanent mold casting or sand casting.
- 7. Ni according to claim 2 go bad the magnesium alloy containing Si preparation method, which is characterized in that the pure magnesium, fine aluminium, The preheating temperature of pure silicon is 160-210 DEG C, and preheating time is 15-25 minutes；The preheating temperature of refining agent and mold is 160- 210 DEG C, preheating time is 25-55 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479180.9A CN110066949A (en) | 2019-06-04 | 2019-06-04 | A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479180.9A CN110066949A (en) | 2019-06-04 | 2019-06-04 | A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110066949A true CN110066949A (en) | 2019-07-30 |
Family
ID=67372471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910479180.9A Pending CN110066949A (en) | 2019-06-04 | 2019-06-04 | A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110066949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593102A (en) * | 2020-11-20 | 2021-04-02 | 湖南稀土金属材料研究院 | Magnesium-nickel intermediate alloy and preparation method thereof |
| CN114351022A (en) * | 2022-01-11 | 2022-04-15 | 上海交通大学 | High-heat-conductivity magnesium alloy containing high-solid-solubility rare earth elements and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871067A (en) * | 2009-04-24 | 2010-10-27 | 中国科学院金属研究所 | Strontium modified silicon-containing high-strength magnesium alloy and preparation method thereof |
| CN103774013A (en) * | 2014-01-09 | 2014-05-07 | 马鞍山市恒毅机械制造有限公司 | Magnesium alloy material for electromobile wheel hubs and preparation method thereof |
| CN104152766A (en) * | 2014-09-05 | 2014-11-19 | 农彩丽 | Biphase particle mixed enhanced magnesium alloy and preparation method thereof |
| CN104250698A (en) * | 2014-10-01 | 2014-12-31 | 无棣向上机械设计服务有限公司 | Wear-resisting magnesium alloy |
| CN105369099A (en) * | 2015-12-15 | 2016-03-02 | 常熟市明瑞针纺织有限公司 | Wear resisting cam shaft and manufacturing method |
| CN107904462A (en) * | 2017-12-13 | 2018-04-13 | 柳州智臻智能机械有限公司 | A kind of electronic device magnesium alloy and preparation method thereof |
| EP3456851A2 (en) * | 2017-09-15 | 2019-03-20 | LG Electronics Inc. | High thermal conductive magnesium alloy and heat sink using the same |
| CN109504883A (en) * | 2017-09-15 | 2019-03-22 | Lg电子株式会社 | High thermal conductivity magnesium alloy and the radiator for using the magnesium alloy |
-
2019
- 2019-06-04 CN CN201910479180.9A patent/CN110066949A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871067A (en) * | 2009-04-24 | 2010-10-27 | 中国科学院金属研究所 | Strontium modified silicon-containing high-strength magnesium alloy and preparation method thereof |
| CN103774013A (en) * | 2014-01-09 | 2014-05-07 | 马鞍山市恒毅机械制造有限公司 | Magnesium alloy material for electromobile wheel hubs and preparation method thereof |
| CN104152766A (en) * | 2014-09-05 | 2014-11-19 | 农彩丽 | Biphase particle mixed enhanced magnesium alloy and preparation method thereof |
| CN104250698A (en) * | 2014-10-01 | 2014-12-31 | 无棣向上机械设计服务有限公司 | Wear-resisting magnesium alloy |
| CN105369099A (en) * | 2015-12-15 | 2016-03-02 | 常熟市明瑞针纺织有限公司 | Wear resisting cam shaft and manufacturing method |
| EP3456851A2 (en) * | 2017-09-15 | 2019-03-20 | LG Electronics Inc. | High thermal conductive magnesium alloy and heat sink using the same |
| CN109504883A (en) * | 2017-09-15 | 2019-03-22 | Lg电子株式会社 | High thermal conductivity magnesium alloy and the radiator for using the magnesium alloy |
| CN107904462A (en) * | 2017-12-13 | 2018-04-13 | 柳州智臻智能机械有限公司 | A kind of electronic device magnesium alloy and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 范培耕等: "《金属学及热处理》", 31 January 2017, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593102A (en) * | 2020-11-20 | 2021-04-02 | 湖南稀土金属材料研究院 | Magnesium-nickel intermediate alloy and preparation method thereof |
| CN114351022A (en) * | 2022-01-11 | 2022-04-15 | 上海交通大学 | High-heat-conductivity magnesium alloy containing high-solid-solubility rare earth elements and preparation method thereof |
| WO2023133978A1 (en) * | 2022-01-11 | 2023-07-20 | 上海交通大学 | High-thermal-conductivity magnesium alloy containing high-solid-solubility rare earth element and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ye | An overview of the development of Al-Si-alloy based material for engine applications | |
| CN101871067B (en) | Strontium modified silicon-containing high-strength magnesium alloy and preparation method thereof | |
| CN101781720B (en) | Preparation method of Mg2Si reinforced magnesium alloy | |
| CN114250389A (en) | High-strength and high-toughness cast aluminum alloy and heat treatment process and preparation method thereof | |
| CN104561688A (en) | Heat-resistant cast aluminum alloy and gravity casting method thereof | |
| CN105463282A (en) | Rare earth-magnesium alloy and preparation method thereof | |
| CN110358950B (en) | Modification method for hypoeutectic cast aluminum-silicon alloy | |
| CN108300884B (en) | A kind of hypoeutectic Al-Mg2The rotten and thinning method of Si alloy | |
| CN106086563A (en) | A kind of high-strength temperature-resistant cast magnesium alloy and preparation method thereof | |
| CN104630577A (en) | Heat-resistant cast aluminum alloy and pressure casting method thereof | |
| CN102952975A (en) | High performance casting hypoeutectic Al-Si-Cu-Mg alloy | |
| CN110066949A (en) | A kind of nickel modified silicon-containing magnesium alloy and preparation method thereof | |
| CN103305729A (en) | Method for preparing novel Al-Si-Mg-Cu-Sr alloy | |
| CN105779838A (en) | High-thermal-conductivity die-casting magnesium alloy and preparation technology thereof | |
| CN101358312A (en) | High elongation rate and high-strength alloy aluminium end cap for multiple unit and casting method thereof | |
| CN108265207A (en) | A kind of high heat conduction aluminium alloy and preparation method thereof and radiator | |
| CN117904500B (en) | 800 MPa-grade ultrahigh-strength aluminum alloy round ingot and preparation method thereof | |
| CN102286681A (en) | Aluminum silicon alloy brake hoop of elevator motor and manufacture method thereof | |
| CN101838759A (en) | 4032 alloy alterant and use method thereof | |
| CN106424631A (en) | Magnesium alloy automobile part semi-solid die casting forming process | |
| CN107245611B (en) | A kind of automobile foam aluminium plate and its foam process | |
| CN104060183A (en) | Swing arm bracket and production method thereof | |
| CN112921212A (en) | High-strength die-casting aluminum alloy capable of being anodized and colored and preparation method thereof | |
| CN109266886B (en) | Method for refining intermetallic compound phase of manganese-iron-containing aluminum alloy | |
| CN105568102A (en) | Magnesium alloy, preparation method of magnesium alloy and preparation method of magnesium alloy member |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190730 |
|
| WD01 | Invention patent application deemed withdrawn after publication |