CN1552545A - Mixed copper-tin 10 powder and preparing method thereof - Google Patents
Mixed copper-tin 10 powder and preparing method thereof Download PDFInfo
- Publication number
- CN1552545A CN1552545A CNA03137901XA CN03137901A CN1552545A CN 1552545 A CN1552545 A CN 1552545A CN A03137901X A CNA03137901X A CN A03137901XA CN 03137901 A CN03137901 A CN 03137901A CN 1552545 A CN1552545 A CN 1552545A
- Authority
- CN
- China
- Prior art keywords
- powder
- copper
- tin
- prealloy
- 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
Abstract
A mixed CuSn-10 powder is prepared from the prealloyed powder prepared from Cu powder and Sn powder by prealloying and the additive through proportional mixing. Its advantages are high uniformity, low segregation rate and content of oxygen, and low cost.
Description
Technical field
The present invention relates to copper tin 10 powder and production method thereof.
Background technology
Copper tin 10 powder mainly are the raw material as the fine oiliness bearing of machining high-precision.At present, common copper tin 10 powder are mainly by prealloy method and mixing method production.The prealloy method is about to electrolysis copper billet and block tin in 90: 10 ratio proportioning, fusing is after copper tin 10 pre-alloyed powders that water atomization technology obtains, the alloy powder advantage that this method obtains is that copper tin is evenly distributed, but because have powder oxygen content height, shortcoming such as suppression performance is poor, sintering strength is low, sintering shrinkage is big, be not suitable as the raw material of ultra-fine miniature oiliness bearing.
Mixing method promptly directly obtains copper tin 10 powder with copper powder and glass putty in 90: 10 ratio mechanical mixture, this method technology is simple, the production efficiency height, the powder oxygen content is low, but there is copper tin skewness in gained copper tin 10 powder, and segregation phenomena is serious, the segregation rate is about 5-7%, expansion rate behind the sintering can reach 2%, and the size that swells is wayward, equally also is not suitable as the raw material of ultra-fine miniature oiliness bearing.A kind of production method of improved mixing method worked copper tin 10 alloy powders is disclosed in the patent application of CN12345643A, with copper powder and glass putty in 90: 10 ratio mechanical mixture and add additive zinc stearate or lithium stearate, diffusion-sintering, pulverizing obtain copper tin 10 alloyed powders, though this method can overcome the shortcoming that direct mixing brings, but owing to need carry out crushing and screening again after the diffusion-sintering to mixed powder, make technological process long, production cost increases.
Summary of the invention
In order to solve the problem that above-mentioned copper tin 10 powder exist, the invention provides a kind of mixed copper tin 10 powder and production method thereof, both can overcome the shortcoming of copper tin 10 powder that prealloy method and mixing method obtain, can possess the advantage that mixing method technology is simple, production cost is low again.
A kind of mixed copper tin 10 powder of the present invention, the mixture that copper tin 10 prealloy powder that it is produced by copper powder, glass putty, prealloy method are formed, wherein, the ratio of copper powder and glass putty is 9: 1.
Big in order to prevent mixed copper tin 10 powder sintering shrinkage factors, it is preferable that prealloy powder accounts for the 15-30% of mixture total weight amount.
In order to prevent the alloy segregation, be added with additive in the above-mentioned mixed powder, described additive is zinc stearate or lithium stearate.
In order to increase the lubricity of material, it is more even that copper tin 10 powder are mixed, and also contains the paraffin powder in the above-mentioned additive.
The production method of a kind of mixed copper tin 10 powder of the present invention, copper tin 10 prealloy powder that copper powder, glass putty, prealloy method are produced and additive are mixed and are closed batch, and wherein, the ratio of copper powder and glass putty is 9: 1.
Because the present invention adds prealloy powder in copper powder, glass putty mixture, changed the rerum natura of former simple copper powder and glass putty mixture, made material be more evenly distributed, the segregation rate is low, can be controlled in 1%, expansion rate behind the sintering is about 0.3%, and the size that swells is controlled easily, has the hypoxic characteristics of former mixing method powder simultaneously concurrently, oxygen content can be controlled in 0.1% scope, technology is simple, production efficiency height, the advantage that production cost is low.Owing to add the paraffin powder in the powder, can increase lubrication during press forming, be convenient to the demoulding.
The specific embodiment
Embodiment 1: get-100 order pines than (being apparent density) for the pure copper powder 63kg of 2.65g/cm3 ,-200 orders pine than for the glass putty 7kg of 1.41g/cm3 ,-100 orders loose than being the prealloy copper glass putty 30kg of 2.53g/cm3, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.85g/cm3, flow velocity 32s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 2: it is loose than being the prealloy copper glass putty 20kg of 2.53g/cm3 for the glass putty 8kg of 1.41g/cm3 ,-100 orders for the pure copper powder 72kg of 2.65g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.81g/cm3, flow velocity 33s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 3: it is loose than being the prealloy copper glass putty 15kg of 2.53g/cm3 for the glass putty 8.5kg of 1.41g/cm3 ,-100 orders for the pure copper powder 76.5kg of 2.65g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.82g/cm3, flow velocity 30s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 4: it is loose than being prealloy copper glass putty 30kg, zinc stearate or the lithium stearate 0.3kg of 2.61g/cm3 for the glass putty 7kg of 1.51g/cm3 ,-100 orders for the pure copper powder 63kg of 2.59g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.79g/cm3, flow velocity 34s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 5: it is loose than being prealloy copper glass putty 15kg, zinc stearate or the lithium stearate 0.7kg of 2.61g/cm3 for the glass putty 8.5kg of 1.51g/cm3 ,-100 orders for the pure copper powder 76.5kg of 2.59g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.77g/cm3, flow velocity 32s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 6: it is loose than being prealloy copper glass putty 30kg, zinc stearate or the lithium stearate 0.3kg of 2.61g/cm3 for the glass putty 7kg of 1.51g/cm3 ,-100 orders for the pure copper powder 63kg of 2.59g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, paraffin powder 0.2kg, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.74g/cm3, flow velocity 34s/50g, sintering shrinkage 0.3 ± 0.1%.
Embodiment 7: it is loose than being prealloy copper glass putty 15kg, zinc stearate or the lithium stearate 0.6kg of 2.61g/cm3 for the glass putty 8.5kg of 1.51g/cm3 ,-100 orders for the pure copper powder 76.5kg of 2.59g/cm3 ,-200 orders pine ratio to get-100 orders pine ratio, paraffin powder 0.1kg, drop into to close in the mixing machine and criticized 20 minutes, gained powder pine is than being 2.74g/cm3, flow velocity 32s/50g, sintering shrinkage 0.3 ± 0.1%.
Claims (10)
1, a kind of mixed copper tin 10 powder is characterized in that it by the mixture that copper tin 10 prealloy powder of copper powder, glass putty, the production of prealloy method are formed, and wherein, the ratio of copper powder and glass putty is 9: 1.
2, copper tin 10 powder according to claim 1 is characterized in that prealloy powder accounts for the 15-30% of mixture total weight amount.
3, copper tin 10 powder according to claim 1 and 2 is characterized in that being added with additive in the described mixture, and described additive is zinc stearate or lithium stearate.
4, copper tin 10 powder according to claim 3 is characterized in that also containing in the described additive paraffin powder.
5, copper tin 10 powder according to claim 4, the addition that it is characterized in that described additive is the 0.3-0.7% of mixed powder gross weight, wherein the paraffin powder is the 0.1-0.2% of mixed powder gross weight.
6, the method for described mixed copper tin 10 powder of a kind of production claim 1 is characterized in that copper tin 10 prealloy powder that copper powder, glass putty, prealloy method are produced are mixed, and wherein, the ratio of copper powder and glass putty is 9: 1.
7, method according to claim 6 is characterized in that prealloy powder accounts for the 15-30% of mixture total weight amount.
8, according to claim 6 or 7 described methods, it is characterized in that being added with additive in the described mixture, described additive is zinc stearate or lithium stearate.
9, copper tin 10 powder according to claim 8 is characterized in that also containing in the described additive paraffin powder.
10, copper tin 10 powder according to claim 9, the addition that it is characterized in that described additive is the 0.3-0.7% of mixed powder gross weight, wherein the paraffin powder is the 0.1-0.2% of mixed powder gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137901 CN1257784C (en) | 2003-05-29 | 2003-05-29 | Mixed copper-tin 10 powder and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137901 CN1257784C (en) | 2003-05-29 | 2003-05-29 | Mixed copper-tin 10 powder and preparing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1552545A true CN1552545A (en) | 2004-12-08 |
| CN1257784C CN1257784C (en) | 2006-05-31 |
Family
ID=34323589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03137901 Expired - Fee Related CN1257784C (en) | 2003-05-29 | 2003-05-29 | Mixed copper-tin 10 powder and preparing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1257784C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100448571C (en) * | 2006-12-29 | 2009-01-07 | 北京科技大学 | CuSn10 alloy injection forming method |
| CN101180146B (en) * | 2005-05-27 | 2010-06-09 | 日矿金属株式会社 | Cu-Sn mixture powder and process for producing the same |
| CN102806353A (en) * | 2012-08-17 | 2012-12-05 | 苏州晶纯新材料有限公司 | Production method of molybdenum alloy tube target |
| CN102300656B (en) * | 2009-01-28 | 2014-04-02 | 吉坤日矿日石金属株式会社 | Process for producing sintered bronze alloy powder |
| CN103769589A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Preparation method of high-tenacity high-conductivity pure copper sintered block material |
| CN103909270A (en) * | 2013-12-19 | 2014-07-09 | 浙江中达精密部件股份有限公司 | High-performance powder metallurgy oil-containing bearing and manufacturing method thereof |
| CN104550906A (en) * | 2014-12-22 | 2015-04-29 | 昆山德泰新材料科技有限公司 | Premixed bronze powder and preparation method and application thereof |
| CN105458275A (en) * | 2015-12-10 | 2016-04-06 | 湖南省天心博力科技有限公司 | Preparing method of copper-tin 10 alloy powder for powder metallurgy |
| CN111331129A (en) * | 2020-04-26 | 2020-06-26 | 杭州屹通新材料股份有限公司 | Preparation method of CuSn10 powder with low apparent density |
-
2003
- 2003-05-29 CN CN 03137901 patent/CN1257784C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180146B (en) * | 2005-05-27 | 2010-06-09 | 日矿金属株式会社 | Cu-Sn mixture powder and process for producing the same |
| CN100448571C (en) * | 2006-12-29 | 2009-01-07 | 北京科技大学 | CuSn10 alloy injection forming method |
| CN102300656B (en) * | 2009-01-28 | 2014-04-02 | 吉坤日矿日石金属株式会社 | Process for producing sintered bronze alloy powder |
| CN102806353A (en) * | 2012-08-17 | 2012-12-05 | 苏州晶纯新材料有限公司 | Production method of molybdenum alloy tube target |
| CN103909270A (en) * | 2013-12-19 | 2014-07-09 | 浙江中达精密部件股份有限公司 | High-performance powder metallurgy oil-containing bearing and manufacturing method thereof |
| CN103769589A (en) * | 2014-01-16 | 2014-05-07 | 西安交通大学 | Preparation method of high-tenacity high-conductivity pure copper sintered block material |
| CN104550906A (en) * | 2014-12-22 | 2015-04-29 | 昆山德泰新材料科技有限公司 | Premixed bronze powder and preparation method and application thereof |
| CN105458275A (en) * | 2015-12-10 | 2016-04-06 | 湖南省天心博力科技有限公司 | Preparing method of copper-tin 10 alloy powder for powder metallurgy |
| CN111331129A (en) * | 2020-04-26 | 2020-06-26 | 杭州屹通新材料股份有限公司 | Preparation method of CuSn10 powder with low apparent density |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1257784C (en) | 2006-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101524754B (en) | Rapid thermal pressed sintering molding process for titanium-aluminum alloy targets | |
| CN102268583B (en) | Method for preparing silver tin oxide electrical contact material | |
| CN109295347B (en) | Aluminum alloy material capable of being used for on-line hydrogen supply | |
| CN102363215A (en) | Method for preparing chromium aluminum alloy target by powder vacuum hot pressed sintering | |
| CN1257784C (en) | Mixed copper-tin 10 powder and preparing method thereof | |
| CN103394700B (en) | The prealloy diffusion method of production tin bronze powder | |
| CN101519744A (en) | Magnesium-manganese master alloy prepared by powder metallurgy method and preparation method thereof | |
| CN1789448A (en) | Grain refiner for synthesis of aluminium alloy by laser ignited self-propagation and method for preparing the same | |
| CN103184384B (en) | A kind of preparation method of Composite silver stannic oxide electric contact material | |
| CN109500391A (en) | A kind of preparation method of high ductility silver zinc oxide contact material | |
| CN102808099B (en) | Preparation method for Al2O3 dispersion-strengthened Cu/Cr composite material | |
| CN106683914B (en) | A kind of low-voltage electrical apparatus copper-based electrical contact material and preparation method thereof | |
| CN102974819A (en) | Preparation method for tin-coated copper composite powder | |
| CN101658931B (en) | Rare earth powder metallurgy iron aldurbra-containing oil bearing material and preparation technology thereof | |
| CN107282932A (en) | A kind of Al2O3The preparation method of dispersion-strengthened Cu base oil containing bearing | |
| CN1345643A (en) | Method for producing Cu-Sn10 alloy powder | |
| CN110508800B (en) | Pre-alloy powder used for composite binder grinding tool for grinding hard and brittle materials, preparation method of pre-alloy powder and grinding tool | |
| SG173127A1 (en) | Method of producing sintered bronze alloy powder | |
| CN104593633B (en) | A kind of preparation method of the silver zinc oxide electrical contact material containing additive | |
| CN101880810A (en) | Hard alloy containing nickel aluminide and boron copper base and preparation method thereof | |
| CN109593981A (en) | A kind of preparation method for the sliver oxidized tin contactor materials improving ingot blank agglutinating property | |
| CN1082235C (en) | Synthesis method for preparing silver-tin dioxide electric contact materials | |
| CN100497702C (en) | Silver-copper-carbon-rare earth alloy material and production thereof | |
| CN100441713C (en) | Easy cutting high manganese copper content alloy | |
| CN109706342B (en) | Copper-zinc-silicon-based powdery brazing material containing alterant and preparation method thereof |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |