CN107081430A - A kind of Mg2The preparation method of Sn alloy powders - Google Patents
A kind of Mg2The preparation method of Sn alloy powders Download PDFInfo
- Publication number
- CN107081430A CN107081430A CN201710217306.6A CN201710217306A CN107081430A CN 107081430 A CN107081430 A CN 107081430A CN 201710217306 A CN201710217306 A CN 201710217306A CN 107081430 A CN107081430 A CN 107081430A
- Authority
- CN
- China
- Prior art keywords
- powder
- alloy powders
- preparation
- fused
- mixed
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
A kind of Mg2The preparation method of Sn alloy powders, first, NaCl and KCl is mixed, heat, be incubated, cool down, crushed, fused-salt medium solid powder is obtained, secondly, particle diameter is below 50 μm of magnesium powder and glass putty is well mixed, gained mixed-powder is mixed with fused-salt medium solid powder, again, and upper step products therefrom is fully melted, continue heat up, insulation, be cooled to room temperature, finally, the salt adhered in products therefrom is walked in removal, by powdered precipitation drying, Mg is obtained2Sn alloy powders, by Mg2Heat and be incubated in vacuum hotpressing stove after Sn alloy powders and aluminium powder mixing, synthesis of soluble solution aluminum alloy materials, enable to the aluminium alloy degradation material of synthesis more homogeneous, the sintering temperature of aluminum alloy materials is reduced simultaneously, crystal grain thinning, improve the intensity and corrosive nature of material, with technique it is simple, have a wide range of application the characteristics of.
Description
Technical field
The invention belongs to technical field of metal material preparation, more particularly to a kind of Mg2The preparation method of Sn alloy powders.
Background technology
At present, the most frequently used degradation material has organic polymer material and metal degradation material, due to organic polymer
The features such as mutability of thing, low intensity, high-temperature behavior are poor, easily causes jam during pressure break.Therefore can using metal
Degradable material is a kind of current optimal selection, and metal material degradable at present has aluminium alloy and magnesium alloy.Patent
201410819770.9 propose a kind of high-strength dissolvable aluminum alloy materials, and the material not only has higher intensity, Er Qie
Play after its effect without grinding or the row of returning, substantially increase the operating efficiency of oil-gas mining.In patent 200910130736.X
Be directed to a kind of degradable alloy of manufacture, including place the powder of one or more alloyed products in a mold, it is repressed and
Product is made in sintering gained powder, but is not directed to the preparation of the alloy powder.The corrosion principle of the wherein degradable alloy is
Aluminum substrate and the second phase Mg2Sn forms small galvanic cell, dissolves, and aluminium powder is generally industrial primary products, and Mg2Sn alloys
Powder is then needed by synthetically prepared.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of Mg2The system of Sn alloy powders
Preparation Method, enables to the aluminium alloy degradation material of synthesis more homogeneous, while reducing the sintering temperature of aluminum alloy materials, carefully
Change crystal grain, improve the intensity and corrosive nature of material, with technique it is simple, have a wide range of application the characteristics of.
In order to achieve the above object, the technical scheme taken of the present invention is：
A kind of Mg2The preparation method of Sn alloy powders, its step is as follows：
Step 1：NaCl and KCl is mixed, is placed in protective gas and heats, insulation is cooled to room temperature, crushes, is melted
Salt medium solid powder；
Step 2：Particle diameter is below 50 μm of magnesium powder and glass putty is well mixed, gained mixed-powder and fused-salt medium solid
Powder is mixed；
Step 3：Step 2 products therefrom is placed in protective gas and fully melted, 700-850 DEG C is continuously heating to, is incubated,
It is cooled to room temperature；
Step 4：The salt adhered in the products therefrom of removal step 3, by powdered precipitation drying, obtains Mg2Sn alloys
Powder；
Step 5：By Mg2Heat and be incubated in vacuum hotpressing stove after Sn alloy powders and aluminium powder mixing, synthesis of soluble solution
Aluminum alloy materials.
The step 1 is by NaCl and KCl according to mass ratio 1:1 mixing, is placed in the gaseous mixture of sulfur hexafluoride and carbon dioxide
In body, room temperature is cooled to the furnace after being heated to 750 DEG C, insulation 2h.
The magnesium powder and glass putty of the step 2 are according to mass ratio (5:12)-(7:12) it is well mixed.
Step 2 mixed-powder and fused-salt medium solid powder in mass ratio (2:1)-(3:1) mix.
The protective gas is that sulfur hexafluoride and carbon dioxide are 1 according to volume ratio:1 mixes.
It is described that step 2 products therefrom is placed in protective gas to the fusing point for being warming up to fused-salt medium solid powder, during insulation
Between fused-salt medium solid powder is fully melted for 0.5-2h, programming rate is 3-20 DEG C/min.
Step 3 soaking time is 0.5-3h.
The salt adhered in the products therefrom of removal step 3 in deionized water by the way of soaking.
The Mg2Sn alloy powders and aluminium powder are according to mass ratio (1:5)-(1:10) mix, heating-up temperature is 600-650
DEG C, pressure is 0.2-0.8MPa, and soaking time is 0.5-2h.
Molten-salt growth method provided by the present invention prepares the second phase alloy powder, can then be prepared using powder metallurgic method degradable
Alloy material, using inorganic salt systems such as NaCl-KCl as fused salt, can further reduce by second of synthesis temperature, simplify work
Skill, while so that the aluminium alloy degradation material of synthesis is more homogeneous, crystal grain thinning contributes to second equal with matrix distributed mutually
It is even, segregation is reduced, increases the intensity and rate of dissolution of degradable aluminium alloy, its tensile strength is molten in 3%KCl up to 256MPa
In liquid, at 93 DEG C, daily corrosion depth is 8mm, improves the intensity and corrosive nature of material, and prepared alloy powder has
Good electric property and mechanical property, the reachable -1.4V SCE (OCP) of its corrosion potential.
Embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment one
Step 1：By NaCl and KCl according to mass ratio 1:1 mixing, is placed in the mixed gas of sulfur hexafluoride and carbon dioxide
In, cool to room temperature with the furnace after being heated to 750 DEG C, insulation 2h, crush, obtain fused-salt medium solid powder；
Step 2：By particle diameter be below 50 μm magnesium powder and glass putty according to mass ratio 5:12 are well mixed, gained mixed-powder
With fused-salt medium solid powder in mass ratio 3:1 mixing；
Step 3：It is 1 that step 2 products therefrom is placed in into sulfur hexafluoride and carbon dioxide according to volume ratio:1 mixes
The fusing point of fused-salt medium solid powder is warming up in protective gas, soaking time is that 0.5h makes fused-salt medium solid powder fully melt
Melt, programming rate is 10 DEG C/min, is continuously heating to 850 DEG C, soaking time is 2h, cools to room temperature with the furnace afterwards；
Step 4：Step 3 products therefrom is inserted in deionized water and soaked, the salt of attachment is removed, by powdered precipitation
Dry, obtain Mg2Sn alloy powders；
Step 5：By Mg2Sn alloy powders and aluminium powder are according to mass ratio 1:It is heated to after 10 mixing in vacuum hotpressing stove
630 DEG C, 2h, synthesis of soluble solution aluminum alloy materials are incubated in the case where pressure is 0.2MPa.
Embodiment two
Step 1：By NaCl and KCl according to mass ratio 1:1 mixing, is placed in the mixed gas of sulfur hexafluoride and carbon dioxide
In, cool to room temperature with the furnace after being heated to 750 DEG C, insulation 2h, crush, obtain fused-salt medium solid powder；
Step 2：By particle diameter be below 50 μm magnesium powder and glass putty according to mass ratio 7:12 are well mixed, gained mixed-powder
With fused-salt medium solid powder in mass ratio 2.5:1 mixing；
Step 3：It is 1 that step 2 products therefrom is placed in into sulfur hexafluoride and carbon dioxide according to volume ratio:1 mixes
The fusing point of fused-salt medium solid powder is warming up in protective gas, soaking time is that 1.5h makes fused-salt medium solid powder fully melt
Melt, programming rate is 3 DEG C/min, is continuously heating to 750 DEG C, soaking time is 0.5h, cools to room temperature with the furnace afterwards；
Step 4：Step 3 products therefrom is inserted in deionized water and soaked, the salt of attachment is removed, by powdered precipitation
Dry, obtain Mg2Sn alloy powders；
Step 5：By Mg2Sn alloy powders and aluminium powder are according to mass ratio 1:600 are heated in vacuum hotpressing stove after 8 mixing
DEG C, it is incubated 0.5h, synthesis of soluble solution aluminum alloy materials in the case where pressure is 0.5MPa.
Embodiment three
Step 1：By NaCl and KCl according to mass ratio 1:1 mixing, is placed in the mixed gas of sulfur hexafluoride and carbon dioxide
In, cool to room temperature with the furnace after being heated to 750 DEG C, insulation 2h, crush, obtain fused-salt medium solid powder；
Step 2：By particle diameter be below 50 μm magnesium powder and glass putty according to mass ratio 6:12 are well mixed, gained mixed-powder
With fused-salt medium solid powder in mass ratio 2:1 mixing；
Step 3：It is 1 that step 2 products therefrom is placed in into sulfur hexafluoride and carbon dioxide according to volume ratio:1 mixes
The fusing point of fused-salt medium solid powder is warming up in protective gas, soaking time is that 2h makes fused-salt medium solid powder fully melt
Melt, programming rate is 3 DEG C/min, is continuously heating to 700 DEG C, soaking time is 3h, cools to room temperature with the furnace afterwards；
Step 4：Step 3 products therefrom is inserted in deionized water and soaked, the salt of attachment is removed, by powdered precipitation
Dry, obtain Mg2Sn alloy powders；
Step 5：By Mg2Sn alloy powders and aluminium powder are according to mass ratio 1:650 are heated in vacuum hotpressing stove after 5 mixing
DEG C, it is incubated 1.5h, synthesis of soluble solution aluminum alloy materials in the case where pressure is 0.8MPa.
Claims (9)
1. a kind of Mg2The preparation method of Sn alloy powders, it is characterised in that step is as follows：
Step 1：NaCl and KCl is mixed, is placed in protective gas and heats, insulation is cooled to room temperature, crushes, fused salt Jie is obtained
Matter solid powder；
Step 2：Particle diameter is below 50 μm of magnesium powder and glass putty is well mixed, gained mixed-powder and fused-salt medium solid powder
Mixing；
Step 3：Step 2 products therefrom is placed in protective gas and fully melted, 700-850 DEG C is continuously heating to, is incubated, cooling
To room temperature；
Step 4：The salt adhered in the products therefrom of removal step 3, by powdered precipitation drying, obtains Mg2Sn alloy powders；
Step 5：By Mg2Heat and be incubated in vacuum hotpressing stove after Sn alloy powders and aluminium powder mixing, synthesis of soluble solution aluminium alloy
Material.
2. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the step 1 will
NaCl and KCl is according to mass ratio 1:In 1 mixing, the mixed gas for being placed in sulfur hexafluoride and carbon dioxide, 750 DEG C, guarantor are heated to
Room temperature is cooled to the furnace after warm 2h.
3. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the magnesium of the step 2
Powder and glass putty are according to mass ratio (5:12)-(7:12) it is well mixed.
4. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the step 2 is mixed
Powder and fused-salt medium solid powder in mass ratio (2:1)-(3:1) mix.
5. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the protective gas is
Sulfur hexafluoride and carbon dioxide are 1 according to volume ratio:1 mixes.
6. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that described by step 2 institute
Obtain product and be placed in protective gas the fusing point for being warming up to fused-salt medium solid powder, soaking time is that 0.5-2h consolidates fused-salt medium
Body powder is fully melted, and programming rate is 3-20 DEG C/min.
7. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the step 3 is incubated
Time is 0.5-3h.
8. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the removal step 3
The salt adhered in products therefrom in deionized water by the way of soaking.
9. a kind of Mg according to claim 12The preparation method of Sn alloy powders, it is characterised in that the Mg2Sn alloys
Powder and aluminium powder are according to mass ratio (1:5)-(1:10) mix, heating-up temperature is 600-650 DEG C, and pressure is 0.2-0.8MPa, protect
The warm time is 0.5-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217306.6A CN107081430B (en) | 2017-04-05 | 2017-04-05 | A kind of Mg2The preparation method of Sn alloy powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217306.6A CN107081430B (en) | 2017-04-05 | 2017-04-05 | A kind of Mg2The preparation method of Sn alloy powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107081430A true CN107081430A (en) | 2017-08-22 |
| CN107081430B CN107081430B (en) | 2019-03-19 |
Family
ID=59614771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710217306.6A Active CN107081430B (en) | 2017-04-05 | 2017-04-05 | A kind of Mg2The preparation method of Sn alloy powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081430B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560619A (en) * | 2008-03-04 | 2009-10-21 | 普拉德研究及开发股份有限公司 | Methods of manufacturing degradable alloys and products made from degradable alloys |
| CN102703785A (en) * | 2012-04-27 | 2012-10-03 | 太原理工大学 | High-strength indirect-extruded Mg-Sn-based alloy and preparation method thereof |
| CN103409656A (en) * | 2013-08-21 | 2013-11-27 | 太原理工大学 | Thermoelectric material Mg2Sn and preparation method thereof |
| CN104480354A (en) * | 2014-12-25 | 2015-04-01 | 陕西科技大学 | Preparation method of high-strength dissolublealuminum alloy material |
| CN104625081A (en) * | 2015-01-26 | 2015-05-20 | 北京科技大学 | Method for preparing aluminum alloy powder through salt melting method |
| CN106191571A (en) * | 2016-08-16 | 2016-12-07 | 中国科学院宁波材料技术与工程研究所 | Aluminum alloy anode material, its preparation method and application thereof |
-
2017
- 2017-04-05 CN CN201710217306.6A patent/CN107081430B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560619A (en) * | 2008-03-04 | 2009-10-21 | 普拉德研究及开发股份有限公司 | Methods of manufacturing degradable alloys and products made from degradable alloys |
| CN102703785A (en) * | 2012-04-27 | 2012-10-03 | 太原理工大学 | High-strength indirect-extruded Mg-Sn-based alloy and preparation method thereof |
| CN103409656A (en) * | 2013-08-21 | 2013-11-27 | 太原理工大学 | Thermoelectric material Mg2Sn and preparation method thereof |
| CN104480354A (en) * | 2014-12-25 | 2015-04-01 | 陕西科技大学 | Preparation method of high-strength dissolublealuminum alloy material |
| CN104625081A (en) * | 2015-01-26 | 2015-05-20 | 北京科技大学 | Method for preparing aluminum alloy powder through salt melting method |
| CN106191571A (en) * | 2016-08-16 | 2016-12-07 | 中国科学院宁波材料技术与工程研究所 | Aluminum alloy anode material, its preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| KEVORKIJAN ET AL.: "Synthesis and Characterisation of Various Mg2Sn-Based Composites Made from Laboratory Prepared Mg2Sn Powder", 《MATERIALS AND MANUFACTURING PROCESSES》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107081430B (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101560619A (en) | Methods of manufacturing degradable alloys and products made from degradable alloys | |
| CN103255327A (en) | Al-Zn-Mg-Cu-Mn-Zr-Er alloy and preparation technology | |
| CN106381408B (en) | A kind of method that aluminothermic reduction prepares scandium bearing master alloy in elpasolite fused salt | |
| CN104894447B (en) | The magnesium-rare earth and its preparation technology of a kind of stratiform/needle-like two-phase composite strengthening | |
| CN110952013B (en) | Degradable magnesium alloy downhole tool bridge plug material and preparation method thereof | |
| CN110714156A (en) | Light high-strength corrosion-resistant high-entropy alloy and preparation method thereof | |
| CN104928507A (en) | Aluminothermic reduction method for preparing aluminum-scandium master alloy in mixed molten salt system | |
| CN106756302A (en) | A kind of high-strength aluminium piston alloy composite of high-temperature wearable and preparation method thereof | |
| CN104195469A (en) | Alloy steel for automobile brake disc and manufacturing method for alloy steel | |
| CN104625081B (en) | Method for preparing aluminum alloy powder through salt melting method | |
| CN105543563A (en) | Zinc-copper-titanium intermediate alloy smelting method capable of reducing burning loss of titanium element | |
| CN107081430A (en) | A kind of Mg2The preparation method of Sn alloy powders | |
| CN103266235B (en) | Solid-phase alloying method of aluminum-silicon powder under high-pressure condition | |
| CN104131241B (en) | A kind of high chrome alloy steel and manufacture method thereof | |
| CN104928561A (en) | Spheroidizing agent and preparation method thereof | |
| CN102888544A (en) | Novel Sn and Si combined reinforced heat-resistant magnesium alloy and preparation method thereof | |
| CN102974771A (en) | Casting forming preparation method of pressure reducing valve body | |
| CN105648142A (en) | Smelting technology of electric arc furnace | |
| CN105463516A (en) | Lead alloy anode plate production method | |
| CN104131240B (en) | A kind of low-carbon high-niobium shock-resistance steel alloy and manufacture method thereof | |
| CN1952196A (en) | Mg-Al-Si-Mn-Ca alloy and method for preparing same | |
| CN102690963B (en) | Flux used for recycling magnesium alloy cuttings, and preparation method and application method thereof | |
| CN107671304B (en) | A kind of method of carbothermic method synthesis of aluminium alloy powder | |
| CN105463259A (en) | Rust-proof metal material of car oil tank | |
| CN104213021A (en) | Wear resistant high-carbon steel pump valve material 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: 518000 Unit A602-05, Innovation Plaza, 2007 Pingshan Avenue, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Weizhinuo New Material Co.,Ltd. Address before: 710021 Shaanxi province Xi'an Weiyang university campus of Shaanxi University of Science and Technology Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY |
|
| TR01 | Transfer of patent right |