CN101403057A - Method for producing tin base alloy - Google Patents
Method for producing tin base alloy Download PDFInfo
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- CN101403057A CN101403057A CNA2008102334887A CN200810233488A CN101403057A CN 101403057 A CN101403057 A CN 101403057A CN A2008102334887 A CNA2008102334887 A CN A2008102334887A CN 200810233488 A CN200810233488 A CN 200810233488A CN 101403057 A CN101403057 A CN 101403057A
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Abstract
The invention provides a production method for a tin base alloy, relating to the nonferrous metallurgy process technology, in particular to a production method for a tin base alloy. The tin base alloy has a formulation of 5.75-7.25 percent of Sb, 3-4 percent of Cu, 0.1-0.35 percent of Pb, 0.01-0.05 percent of Fe, 0.05-0.1 percent of As, 0.01-0.05 percent of Bi, 0.01-0.05 percent of Zn, 0.01-0.05 percent of Al and the rest of Sn. The production process method is that, tin, stibium, copper and other accessories are molten and confected by a medium frequency furnace to be cast and formed. The tin base alloy prepared by the invention has relatively low content of copper and stibium, better physical and chemical performances and higher hardness and tensile strength.
Description
Technical field
The present invention relates to nonferrous metallurgy process technology, be specifically related to a kind of production method of tin-based alloy.
Background technology
Tin-based alloy product commonly used mainly contains 11-6 alloy, 8-4 alloy, 4-4 alloy, 9-4 alloy and HM07 alloy etc.The production method of these alloys is to adopt raw materials such as refined tin, star metal, electrolytic copper, gets the configuration proportion batching in melting tank as required, melts and mix the back casting to form.These alloys mainly are used in the production of sliding surface bearing of mechanical industry.
In tin-based alloy, its physicochemical property is different and different according to difference, producing and manufacturing technique and the chemical ingredients of purposes.Physicochemical properties such as hardness of alloy be the common Mohs' hardness that increases along with the increase of the copper that adds, antimony content greater than 24, tensile strength is during greater than 78.4MPa, the copper of adding need reach 4%, antimony need reach 8%.If copper, antimony content that control adds reach physicochemical property preferably again, be more scabrous technical problem.Because if adopt traditional compound method, promptly produce this alloy with refined tin, electrolytic copper and star metal direct fusion blended method, copper, antimony content reach requirement, and hardness and tensile strength just do not reach requirement.
Summary of the invention
The object of the present invention is to provide a kind of cupric and to contain antimony lower, and physics, the novel preferably tin-based alloy of chemical property, to solve the unfavorable problem and shortage of physicochemical property that above-mentioned low copper, antimony content alloy exist.
Technical scheme of the present invention is: the weight percent of each component is Sb5.75～7.25%, Cu3～4%, Pb0.1～0.35%, Fe0.01～0.05%, As0.05～0.1%, Bi0.01～0.05%, Zn0.01～0.05%, Al0.01～0.05%, surplus is Sn.
Technique processing method is: aforementioned proportion tin, antimony, copper metal and all the other auxiliary materials are melted preparation, casting jointly with intermediate frequency furnace.
The tin-based alloy physicochemical property of mentioned component is: 238 ℃ ± 3 ℃ of alloy melting points, Mohs' hardness 〉=24, tensile strength 〉=78.4MPa.
The invention has the beneficial effects as follows: utilize tin to smelt cupric and stibiated material (mainly being the scruff material of cupric in the middle of some, stilba matter) in the production process, at first go out the mother alloy of approaching tin of the present invention, copper, antimony content, prepare alloy of the present invention with this mother alloy again through electrolysis production.Effectively utilize copper, stilba matter in the tin smelting production on the one hand, had higher comprehensive utilization of resources to be worth; Do not need to add too many electrolytic copper on the other hand and star metal just can be produced physicochemical property alloy preferably.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Embodiment 1:
The chemical ingredients of the wherein a collection of alloy product that preparation obtains according to the alloy composition scope is as follows:
The tin-based alloy physicochemical property of mentioned component is: 241 ℃ of alloy melting points, Mohs' hardness 25.47, tensile strength 81.37MPa.
Embodiment 2:
The chemical ingredients of the wherein a collection of alloy product that preparation obtains according to the alloy composition scope is as follows:
The tin-based alloy physicochemical property of mentioned component is: 238 ℃ of alloy melting points, Mohs' hardness 24.94, tensile strength 79.54MPa.
Embodiment 3:
The chemical ingredients of the wherein a collection of alloy product that preparation obtains according to the alloy composition scope is as follows:
The tin-based alloy physicochemical property of mentioned component is: 237.5 ℃ of alloy melting points, Mohs' hardness 24.58, tensile strength 78.86MPa.
Claims (3)
1, a kind of production method of tin-based alloy, it is characterized in that: the weight percent of each component is Sb5.75～7.25%, Cu3～4%, Pb0.1～0.35%, Fe0.01～0.05%, As0.05～0.1%, Bi0.01～0.05%, Zn0.01～0.05%, Al0.01～0.05%, surplus is Sn.
2, the production method of tin-based alloy according to claim 1 is characterized in that: tin, antimony, copper metal and all the other auxiliary materials are melted preparation, casting jointly with intermediate frequency furnace.
3, prescription according to claim 1 is characterized in that: the alloy melting point that is prepared into is, 238 ℃ ± 3 ℃, and Mohs' hardness 〉=24, tensile strength 〉=78.4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102334887A CN101403057A (en) | 2008-10-27 | 2008-10-27 | Method for producing tin base alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102334887A CN101403057A (en) | 2008-10-27 | 2008-10-27 | Method for producing tin base alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101403057A true CN101403057A (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102334887A Pending CN101403057A (en) | 2008-10-27 | 2008-10-27 | Method for producing tin base alloy |
Country Status (1)
| Country | Link |
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| CN (1) | CN101403057A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021361A (en) * | 2010-11-24 | 2011-04-20 | 申发集团有限公司 | Novel Babbitt alloy material |
| CN106402638A (en) * | 2016-10-31 | 2017-02-15 | 张家港沙工科技服务有限公司 | High-strength resistor composite tube for mechanical equipment |
-
2008
- 2008-10-27 CN CNA2008102334887A patent/CN101403057A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021361A (en) * | 2010-11-24 | 2011-04-20 | 申发集团有限公司 | Novel Babbitt alloy material |
| CN106402638A (en) * | 2016-10-31 | 2017-02-15 | 张家港沙工科技服务有限公司 | High-strength resistor composite tube for mechanical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090408 |