CN103433481A - La-Ce-Pr-containing flaky-shaped multi-component aluminum, zinc and silicon alloy powder and preparation method of alloy powder - Google Patents
La-Ce-Pr-containing flaky-shaped multi-component aluminum, zinc and silicon alloy powder and preparation method of alloy powder Download PDFInfo
- Publication number
- CN103433481A CN103433481A CN2013103315329A CN201310331532A CN103433481A CN 103433481 A CN103433481 A CN 103433481A CN 2013103315329 A CN2013103315329 A CN 2013103315329A CN 201310331532 A CN201310331532 A CN 201310331532A CN 103433481 A CN103433481 A CN 103433481A
- Authority
- CN
- China
- Prior art keywords
- alloy powder
- polynary
- flakey
- powder
- flaky
- 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
Abstract
The invention relates to a La-Ce-Pr-containing flaky-shaped multi-component zinc and aluminum alloy powder and a preparation method of the flaky-shaped multi-component zinc and aluminum alloy powder, wherein the thickness of each piece of the flaky-shaped multi-component zinc and aluminum alloy powder is 0.1-1 micron, and the average diameter of each piece of the flaky-shaped multi-component zinc and aluminum alloy powder is 5-35 microns; the specific particle-size composition of the flaky-shaped multi-component zinc and aluminum alloy powder is as follows: less than or equal to 20% of the flaky-shaped multi-component zinc and aluminum alloy powder with the diameter of smaller than 5 microns to the whole flaky-shaped multi-component zinc and aluminum alloy powder, equal to or larger than 70% of the flaky-shaped multi-component zinc and aluminum alloy powder with the diameter of 5-33 microns to the whole flaky-shaped multi-component zinc and aluminum alloy powder, and less than or equal to 10% of the flaky-shaped multi-component zinc and aluminum alloy powder with the diameter of larger than 33 microns to the whole flaky-shaped multi-component zinc and aluminum alloy powder; the ratio of the average diameter to the thickness of the flaky-shaped multi-component zinc and aluminum alloy powder is 35-200. The flaky-shaped metal powder and the preparation method of the flaky-shaped metal powder, which are disclosed by the invention, are especially suitable for the fields of producing Dacromet dope liquid, inorganic zinc rich paint, heavy-duty anticorrosive paint and the like.
Description
Technical field
The present invention relates to the polynary aluminium zinc of a kind of flakey silicon alloy powder and preparation method thereof.
Background technology
Dacromet Technology is born in later 1950s the earliest, it is a kind of metal coating treatment technology of similar electrogalvanizing, the scientist Mai Ke Martin of the U.S. has developed take the metal zinc metal sheet as the main high dispersive water soluble paint that adds aluminium flake, chromic acid, deionized water to make solvent simultaneously, coating sticks on metallic matrix, apply baking through the circulation of full cut-off road, form very thin coating.Dacromet/steel is successfully resisted the erosion of chlorion, and aseptic technic has entered new step, has reformed short defect of anticorrosion life-span of traditional handicraft.The Dacromet/steel outward appearance is uniform silver gray, contains 80% thin zinc metal sheet and aluminium flake in coating, and all the other are chromate, have good performance, as extremely strong corrosion resistance etc.; Be specially adapted to the high strength stressed member, as the high-strength bolt for subway engineering; High-fire resistance; Heat resisting temperature can reach 300 ℃.In addition, also there are the advantages such as high osmosis, high tack, high antifriction quality, high weather resistance, high resistance to chemicals product stability and non-environmental-pollution.In the various fields such as the automobile of industrially developed country, civil construction, electric power, chemical industry, ocean engineering, household electrical appliance, railway, highway, bridge, tunnel, war industry, obtained applying very widely.The Dacroment masking liquid is of a great variety at present, but it is further perfect generally still to exist defect to need, and such as needs, realizes dechromising and needs further to improve its performance etc., and the performance of the flakey alloyed powder of especially comparatively common employing still can't meet technological requirement fully.
In addition, the manufacture method at domestic existing scaled metal powder end mainly contains Mechanical Method, Physical and chemical method etc. at present.Wherein Mechanical Method mainly contains ball-milling method and Ultrasonic Pulverization method, and wherein ball-milling method comparatively generally adopts in actual production.Ball-milling method is divided into again dry grinding and two kinds of processing technologys of wet-milling, and wherein wet grinding mainly is included in the process of metal powder grinding and adds the operation that for example solvent wet goods medium is ground, then by sorting, filter drying, screening, redrying, the operations such as packing are achieved.Above-mentioned wet grinding drying process complexity, the cycle is long, and efficiency is low, the easy oxidation of metal powder, more seriously metal powder after drying can residual a part of medium, affects the scope of application and the quality of metal powder.And dry mill process needs long dispersed with stirring, increase energy consumption, and Superfine Zn powder, the aluminium powder of dry mill process manufacture acquisition, its shape and performance all have again larger gap with the powder that Dacroment technique needs, thereby have limited the process of Non-chromium Zn-al Coating technology industrialization.
Therefore, provide a kind of improved flakey alloyed powder and preparation method thereof just to become this field and be badly in need of the technical barrier solved.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of polynary Zn-Al alloy powder of high-quality flakey that can meet extraordinary coating process requirement, and provide that a kind of efficiency is high, cost is low and be applicable to the preparation method of actual production.
The polynary Zn-Al alloy powder of flakey provided by the present invention, its components based on weight percentage is: A1:15%-69%; Si:0.2-3%; Mg:0.1-5%; The total amount of at least two kinds of rare earth elements: 0.02-0.9%, and wherein said at least two kinds of rare earth elements mainly comprise La, Ce and Pr; Total amount is no more than 1% impurity; Surplus is Zn, the sheet of the polynary Zn-Al alloy powder of wherein said flakey is thick is 0.1～1 μ m, average sheet footpath is 5～35 μ m, and specifically consisting of of granularity wherein: the sheet footpath is less than 5 μ m and accounts for≤and 20%, sheet footpath 5～33 μ m account for >=and 70%, the sheet footpath is greater than 33 μ m≤10%, and the average sheet footpath of the polynary Zn-Al alloy powder of described flakey and the thick radius-thickness ratio of sheet are 35～200.
Preferably, the radius-thickness ratio that the average sheet footpath of the polynary Zn-Al alloy powder of wherein said flakey and sheet are thick is 50～150.
Preferably, the apparent density of the polynary Zn-Al alloy powder of wherein said flakey is 1.0～3.0gcm
-3.
Preferably, the lid water area of the polynary Zn-Al alloy powder of wherein said flakey is 0.4～2.0m
2g
-1.
Preferably, La wherein, the content of Ce and Pr and account for the percentage of rare earth element total amount >=85%.
On the other hand, the present invention is the manufacture method of the polynary Zn-Al alloy powder of a kind of flakey that provides also, percentage by weight according to polynary each component of Zn-Al alloy powder of described flakey is got the raw materials ready, each component is made in smelting furnace to allumen by proportioning, pour into the allumen rod by the deep-well forging type again, then, the allumen rod is put into to the vacuum atomizing powder manufacturing apparatus and be atomized into the spherical allumen powder of 200～500 purpose, again described spherical allumen powder is joined in ball mill, add grinding aid and ball-milling medium to carry out ball milling simultaneously, and pass into again inert gas after first vacuumizing, pass into cooling liquid in the ball mill interlayer and take that to control temperature in mechanical milling process be 20-60 ℃, Ball-milling Time is 8～20 hours, keeping drum's speed of rotation is 30～100 rev/mins, thereby the described spherical polynary allumen sphere of powder is worn into to the sheet alloy powder, prepare the polynary Zn-Al alloy powder of described flakey.
Preferably, wherein grinding aid is one or more mixing in zinc stearate, calcium stearate, molybdenum sulfide, polyvinyl alcohol, neopelex, glyceryl alcohol.
Preferably, wherein grinding aid adds according to 1%～10% ratio of described spherical polynary zinc-aluminium powder weight.
Preferably, wherein ball-milling medium is Ceramic Balls or steel ball, and its particle diameter is the 1-15 millimeter.
Preferably, wherein ball-milling medium and described spherical polynary zinc-aluminium powder are (6～20) by weight: 1.
Average sheet footpath 5～35 μ m of the polynary Zn-Al alloy powder of flakey of the present invention, and specifically consisting of of granularity wherein: the sheet footpath is less than 5 μ m and accounts for≤20%, and sheet footpath 5～33 μ m account for >=and 70%, the sheet footpath is greater than 33 μ m≤10%.The concrete composition of this granularity of the present invention has not only guaranteed the requirement in average sheet footpath, and make the powder physical dimension be evenly distributed, and size distribution is conducive to reduce the defects such as hole in coating uniformly, form the structure of " layer upon layer of " uniformly, thereby be conducive to suppress the infiltration of corrosive medium, thereby improve the antiseptic property of coating.
The sheet of the polynary Zn-Al alloy powder of flakey of the present invention is thick is 0.1～1 μ m, average sheet footpath is 5～35 μ m, average sheet footpath and the thick radius-thickness ratio of sheet are 35～200, have improved greatly the radius-thickness ratio of the polynary allumen powder of flakey, and this is of great immediate significance.Because the raising of radius-thickness ratio, in the time of can reducing on the one hand the coating coating, the use amount of per unit area allumen powder, reduce production cost greatly; On the other hand, the raising of radius-thickness ratio, the sheet allumen powder that can make to be coated in workpiece part surface is more closely knit, reduces while applying because the sheet alloy powder is blocked up or the space caused in uneven thickness, sheet footpath, improves the antiseptic property after coating applies.Therefore, the polynary Zn-Al alloy powder of flakey of the present invention is obtained important breakthrough with respect to prior art.
Further, the apparent density of the polynary Zn-Al alloy powder of flakey of the present invention is 1.0～3.0gcm
-3, this is also that the inventor has paid just finally acquisition of performing creative labour.Because it is a lot of to affect the factor of apparent density of powder, as powder particle shape, size and size distribution etc.And these factors can have again significant difference because of the preparation method of powder and the difference of process conditions thereof.And the polynary Zn-Al alloy powder of flakey described in the present invention is to meet particle size less, under the higher precondition of sheet degree, further realized less apparent density by the improvement on production technology, thereby improved the dispersiveness of the polynary allumen powder of flakey in coating, also further more met the instructions for use of Dyclo paint.
Further, to make the lid water area of the polynary Zn-Al alloy powder of described flakey by the improvement on production technology be 0.4～2.0m in the present invention
2g
-1, illustrating that the polynary allumen powder of flakey of the present invention sheet degree is higher, spreadability is better, good dispersion in water.The lid water area of the polynary allumen powder of the flakey in the present invention has surpassed the lid water area of domestic simple zinc powder, even can reach the standard of external simple zinc powder product, has obtained very outstanding technique effect.
On the other hand, the preparation method of scaled metal powder provided by the present invention has compared with prior art replaced in the wet-milling using liquid as the defect of grinding medium, by adding grinding aid and ball-milling medium to be ground, metal powder after drying can residual any medium, has guaranteed the scope of application and the quality of metal powder.
Further, the grinding aid wherein added and ball-milling medium, also guaranteed can not produce the cold welding phenomenon between metal powder.
Further, in airtight ball mill, pass into inert gas, can avoid oxygen to enter, prevent the metal powder oxidation.
Further, the temperature of controlling metal powder by the method for regulating the cooling water inflow in the ball mill interlayer in mechanical milling process is between 20～60 ℃, and the rotating speed of simultaneously regulating ball mill carries out ball milling at 30-100 rev/min, can be by spherical metal powder ball milling slabbing metal powder.
In addition, by controlling different rotational speed of ball-mill, can also improve quality and the scope of application of metal powder, make prepared metal powder not only can be used for Dyclo paint, also can be used for other anticorrosive paints such as zinc rich paint.
Further, in the present invention ball mill by the sandwich of setting up, make cooling liquid for example water be to be passed into by the ball mill interlayer, rather than directly with powder, contact.Compare with traditional wet-milling and long dry grind process, and adopt water-cool control ball milling temperature, not only still avoided the defect of wet-milling, also overcome and needed long-time dry deficiency, improved greatly production efficiency.
In addition, the polynary allumen powder of flakey provided by the present invention adopts the dry type ball grinding method to obtain, and the medium that while having avoided wet grinding fully, powder surface coats is as the impact of solvent naphtha on follow-up coating property.
Finally, allumen powder provided by the invention is due to the passivation of aluminium, greatly slowed down the wear rate of zinc, for the powder or its mixed-powder of domestic and international the produced single zinc that there is no alloying, aluminium, antiseptic property and the anticorrosion life-span of having improved greatly coating.
In sum, scaled metal powder provided by the invention end and preparation method thereof, be particularly suitable for producing the Dacroment masking liquid, inorganic zinc rich paint, the fields such as heavy-duty anticorrosive coating.Moreover, adopt of the present invention provided preparation method to go for equally the production of other flake metal powders, for example: aluminium powder, copper powder, cu-zn alloy powder, silver powder etc.
The accompanying drawing explanation
Fig. 1 horizontal ball mill sandwich figure
The specific embodiment
The polynary aluminium zinc of flakey of the present invention silicon alloy powder is comprised of elements such as A1, Si, Mg, Zn and rare earths, some preferred specific embodiments of each composition percentage by weight in the present invention have been listed in table 1, but the content of each constituent of the present invention is not limited to concrete numerical value listed in table 1, rationally summarize and derive on the basis of concrete numerical value that to those skilled in the art, fully can be listed at table 1.
It should be noted that, the present invention is on the basis that a kind of polynary Zn-Al alloy powder of high-quality flakey that can meet extraordinary coating process requirement is provided, by the further improvement on production technology, make the performance of described flakey aluminium zinc silicon alloy powder all be more than flakey alloy powder of the prior art far away, the interior microscopic that flakey aluminium zinc silicon alloy powder of the present invention is described is organized very large variation has also been occurred, although these micro-variations can't with the structure of flakey aluminium zinc silicon alloy powder and/or composition etc. further restriction described, but by further describing of table 1 performance parameter, those skilled in the art can clearly be known its restriction effect of playing to flakey aluminium zinc silicon alloy powder of the present invention.
But in table 1, the performance parameter such as related apparent density and lid water area is not but to solve the requisite technical characterictic of the present invention, it is only the more excellent technical scheme that the present invention further obtains with respect to prior art.For the present invention, the content of core is the setting of the polynary Zn-Al alloy powder composition of flakey, especially the setting of the concrete composition of thick, the sheet footpath of sheets of powder, granularity and radius-thickness ratio and reach the goal of the invention that is suitable for producing the masking liquids such as Dacroment.And on this basis, the further improvement by production technology is all to make this technique effect more outstanding, more superior.Therefore, put down in writing apparent density and these two performance parameters of lid water area in following table 1 in specification simultaneously, be also in order to introduce more in detail, easily technical scheme of the present invention, and not described as the essential features that solves the technology of the present invention problem.
Similar therewith, table 1 further provides composition and the concrete content thereof of the concrete rare earth element adopted of the present invention and is described as preferred embodiment, those skilled in the art should determine not to be only to adopt the rare earth element and the content thereof that provide in table 1 can solve its technical problem, those skilled in the art must determine, as long as meet the total amount of rare earth element in the scope of 0.02-0.9%, provide in table 1 on the basis of two kinds of rare earth elements and content thereof, add in right amount other rare earth elements and can solve its technical problem equally.Therefore, two kinds of rare earth elements in table 1 are not described as necessary condition equally.
Each composition of table 1 (percentage by weight) and performance parameter thereof
By reference to the accompanying drawings 1, illustrate the present invention and prepare the polynary Zn-Al alloy powder embodiment of flakey, at first, got the raw materials ready on request, and each component is made to allumen in smelting furnace by proportioning, then poured into the allumen rod by the deep-well forging type.Then, the allumen rod is put into to the vacuum atomizing powder manufacturing apparatus and be atomized into 200～500 purpose spherical powders, again spherical allumen powder is joined in ball mill, add grinding aid simultaneously, ball-milling medium carries out ball milling, pass into again inert gas after first vacuumizing, pass into cooling liquid in ball mill interlayer 1 and take that to control the ball milling temperature be 20-60 ℃, Ball-milling Time is 8～20 hours, keeping drum's speed of rotation is 30～100 rev/mins, the spherical polynary allumen sphere of powder is worn into to the sheet alloy powder, prepare the polynary Zn-Al alloy powder of flakey.
The ball mill that the present invention adopts is to have set up a ball mill interlayer 1 on the basis of horizontal ball mill of prior art, thereby can in interlayer 1, pass into cooling liquid to control the ball milling temperature, thereby realize that cooling liquid and powder separation do not contact to overcome the goal of the invention of wet-milling defect.
Preferably, ball-milling additive comprises zinc stearate, calcium stearate, molybdenum sulfide, polyvinyl alcohol, neopelex, glyceryl alcohol etc.The 1-10% that stearate, molybdenum sulfide consumption are metal dust weight.
Preferably, adopting the ball-milling medium diameter is 1-15mm, preferably ceramic ball or steel ball etc., and the ratio of itself and raw material aluminium zinc silicon alloy powder is 6: 1 to 20: 1.
Preferably, the ball mill running speed is not less than 30r/min, and preferred range of choice is 30-100r/min.
Embodiment 1:
Get 300 order aluminium zinc silicon alloy powder raw material 10Kg, zinc stearate 0.4Kg, steel ball 200Kg drops in ball mill, after vacuumizing, passes into nitrogen, and connects cooling water, guarantees in mechanical milling process that temperature is between 30-40 ℃.With discharging after the rotating speed ball milling 10h of 50r/min, the powder after ball milling is dropped in polishing machine and carries out polishing, make flaky aluminum zinc silicon alloy powder after the powder after polishing is classified.
Embodiment 2:
Get 200 order aluminium zinc silicon alloy powder raw material 10Kg, polyvinyl alcohol 0.1Kg, calcium stearate 0.2Kg, steel ball 120Kg drops in ball mill, after vacuumizing, passes into nitrogen, and connects cooling water, guarantee in mechanical milling process that temperature is between 30-40 ℃, with the rotating speed ball milling 14h discharging of 100r/min, the powder after ball milling is dropped in polishing machine and carries out polishing, make flaky aluminum zinc silicon alloy powder after the powder after polishing is classified.
Claims (10)
1. the polynary Zn-Al alloy powder of flakey, its components based on weight percentage is: A1:15%-69%; Si:0.2-3%; Mg:0.1-5%; The total amount of at least two kinds of rare earth elements: 0.02-0.9%, and wherein said at least two kinds of rare earth elements mainly comprise La, Ce and Pr; Total amount is no more than 1% impurity; Surplus is Zn, the sheet of the polynary Zn-Al alloy powder of wherein said flakey is thick is 0.1～1 μ m, average sheet footpath is 5～35 μ m, and specifically consisting of of granularity wherein: the sheet footpath is less than 5 μ m and accounts for≤and 20%, sheet footpath 5～33 μ m account for >=and 70%, the sheet footpath is greater than 33 μ m≤10%, and the average sheet footpath of the polynary Zn-Al alloy powder of described flakey and the thick radius-thickness ratio of sheet are 35～200.
2. the polynary Zn-Al alloy powder of flakey as claimed in claim 1, the radius-thickness ratio that the average sheet footpath of the polynary Zn-Al alloy powder of wherein said flakey and sheet are thick is 50～150.
3. the polynary Zn-Al alloy powder of flakey as claimed in claim 1, the apparent density of the polynary Zn-Al alloy powder of wherein said flakey is 1.0～3.0gcm
-3.
4. the polynary Zn-Al alloy powder of flakey as claimed in claim 1, the lid water area of the polynary Zn-Al alloy powder of wherein said flakey is 0.4～2.0m
2g
-1.
5. the polynary Zn-Al alloy powder of flakey as claimed in claim 1, La wherein, the content of Ce and Pr accounts for the percentage of rare earth element total amount >=85%.
6. a method for preparing the polynary Zn-Al alloy powder of the described flakey of claim 1, percentage by weight according to polynary each component of Zn-Al alloy powder of the described flakey of claim 1 is got the raw materials ready, each component is made in smelting furnace to allumen by proportioning, pour into the allumen rod by the deep-well forging type again, then, the allumen rod is put into to the vacuum atomizing powder manufacturing apparatus and be atomized into the spherical allumen powder of 200～500 purpose, again described spherical allumen powder is joined in ball mill, add grinding aid and ball-milling medium to carry out ball milling simultaneously, and pass into again inert gas after first vacuumizing, pass into cooling liquid in the ball mill interlayer and take that to control temperature in mechanical milling process be 20-60 ℃, Ball-milling Time is 8～20 hours, keeping drum's speed of rotation is 30～100 rev/mins, thereby the described spherical polynary allumen sphere of powder is worn into to the sheet alloy powder, prepare the polynary Zn-Al alloy powder of described flakey.
7. method as claimed in claim 6, wherein grinding aid is one or more mixing in zinc stearate, calcium stearate, molybdenum sulfide, polyvinyl alcohol, neopelex, glyceryl alcohol.
8. method as claimed in claim 6, wherein grinding aid adds according to 1%～10% ratio of described spherical polynary zinc-aluminium powder weight.
9. method as claimed in claim 6, wherein ball-milling medium is Ceramic Balls or steel ball, its particle diameter is the 1-15 millimeter.
10. method as claimed in claim 6, wherein ball-milling medium and described spherical polynary zinc-aluminium powder are by weight being (6～20): 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331532.9A CN103433481B (en) | 2013-07-31 | 2013-07-31 | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce and Pr and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331532.9A CN103433481B (en) | 2013-07-31 | 2013-07-31 | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce and Pr and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103433481A true CN103433481A (en) | 2013-12-11 |
| CN103433481B CN103433481B (en) | 2015-08-26 |
Family
ID=49687245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310331532.9A Active CN103433481B (en) | 2013-07-31 | 2013-07-31 | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce and Pr and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103433481B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6753094B1 (en) * | 1999-04-22 | 2004-06-22 | Corus Aluminium Walzprodukte Gmbh | Composite sheet material for brazing |
| CN1513629A (en) * | 2003-08-18 | 2004-07-21 | 昆明理工大学 | Manufacturing method for scale shaped metal powder |
| CN101396740A (en) * | 2008-12-11 | 2009-04-01 | 北京航材百慕新材料技术工程有限公司 | Preparation method of scale type aluminum zinc powder using high-energy ball milling |
| CN101525505A (en) * | 2009-04-03 | 2009-09-09 | 河海大学 | Watery zinc-aluminium heavy-duty coating in compounding squama shape and preparation method thereof |
| CN102266945A (en) * | 2011-08-20 | 2011-12-07 | 陈登刚 | Ball-milling process and device for iron-based alloy powder |
| CN102504700A (en) * | 2011-11-09 | 2012-06-20 | 深圳市中金岭南科技有限公司 | Aqueous chromium-free zinc and aluminum coating and preparation method thereof |
| CN102703760A (en) * | 2012-01-13 | 2012-10-03 | 江苏麟龙新材料股份有限公司 | Zinc-aluminum alloy wire containing La, Ce, Pr and Nd and production method thereof |
-
2013
- 2013-07-31 CN CN201310331532.9A patent/CN103433481B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6753094B1 (en) * | 1999-04-22 | 2004-06-22 | Corus Aluminium Walzprodukte Gmbh | Composite sheet material for brazing |
| CN1513629A (en) * | 2003-08-18 | 2004-07-21 | 昆明理工大学 | Manufacturing method for scale shaped metal powder |
| CN101396740A (en) * | 2008-12-11 | 2009-04-01 | 北京航材百慕新材料技术工程有限公司 | Preparation method of scale type aluminum zinc powder using high-energy ball milling |
| CN101525505A (en) * | 2009-04-03 | 2009-09-09 | 河海大学 | Watery zinc-aluminium heavy-duty coating in compounding squama shape and preparation method thereof |
| CN102266945A (en) * | 2011-08-20 | 2011-12-07 | 陈登刚 | Ball-milling process and device for iron-based alloy powder |
| CN102504700A (en) * | 2011-11-09 | 2012-06-20 | 深圳市中金岭南科技有限公司 | Aqueous chromium-free zinc and aluminum coating and preparation method thereof |
| CN102703760A (en) * | 2012-01-13 | 2012-10-03 | 江苏麟龙新材料股份有限公司 | Zinc-aluminum alloy wire containing La, Ce, Pr and Nd and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103433481B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1212211C (en) | Manufacturing method for scale shaped metal powder | |
| CN103357867B (en) | A kind of Scale-like multi-component zinc aluminum silicon alloy powder and preparation method thereof | |
| CN110508825B (en) | Method for preparing superfine flaky zinc-containing alloy powder by wet ball milling, product and application thereof | |
| CN103722175B (en) | The manufacture method of superfine flaky zinc powder with high corrosion resistance | |
| CN111101026A (en) | Preparation method of high-strength high-toughness aluminum-based composite material | |
| CN102839313B (en) | Nano Cr3C2-WC-Ni composite powder and preparation method thereof | |
| CN112658244A (en) | Zinc-aluminum alloy flake powder and preparation method thereof | |
| CN103406539B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing Ce and Pr and preparation method thereof | |
| CN102814503A (en) | Method for preparing dispersion strengthening ferritic alloy steel powder of nanometer yttrium oxide particles | |
| CN103433480B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Pr and Nd and preparation method thereof | |
| CN103433482B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La and Ce and preparation method thereof | |
| CN103357868B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce, Pr and Nd and preparation method thereof | |
| CN103409662B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing Ce and Nd and preparation method thereof | |
| CN103421989B (en) | Scale-like multi-element aluminum zinc silicon alloy powder containing Ce, Pr and Nd, and preparation method thereof | |
| CN102943185A (en) | Preparation method of aluminum oxide dispersion-strengthened copper | |
| CN103433481B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce and Pr and preparation method thereof | |
| CN108315629B (en) | Preparation method of Al/SiC metal ceramic composite material | |
| CN102560309B (en) | Method for preparing nanometer composite hot galvanizing coat of steel plate | |
| CN103042209B (en) | Nano silicon carbide and nano cerium oxide synergetically enhanced metal matrix micro-nano powder and preparing method thereof | |
| CN110306095A (en) | A kind of coating Co-based alloy powder and preparation method thereof | |
| CN103409672B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La, Ce and Nd and preparation method thereof | |
| CN103421994B (en) | Scale-like multi-element aluminum zinc silicon alloy powder containing La and Pr, and preparation method thereof | |
| CN103421987B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing Pr and Nd and preparation method thereof | |
| CN103421988B (en) | Scale-like multi-component zinc aluminum silicon alloy powder containing La and Nd and preparation method thereof | |
| CN111662578B (en) | Preparation process of spherical chromium oxide composite agglomerated powder and product prepared by preparation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |