CN103146953B - 185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof - Google Patents
185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof Download PDFInfo
- Publication number
- CN103146953B CN103146953B CN201310094878.1A CN201310094878A CN103146953B CN 103146953 B CN103146953 B CN 103146953B CN 201310094878 A CN201310094878 A CN 201310094878A CN 103146953 B CN103146953 B CN 103146953B
- Authority
- CN
- China
- Prior art keywords
- temperature alloy
- lead
- low
- free low
- temperature
- 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.)
- Active
Links
Landscapes
- Fuses (AREA)
Abstract
The invention relates to a 185-DEG C lead-free low-temperature alloy for a fuse burned-out core and a preparation method thereof. The 185-DEG C lead-free low-temperature alloy comprises the following raw materials in percentage by weight: 0.4%-0.6% of Cu, 2.8%-3.2% of Ag, 13.5%-14.5% of In and the balance being Sn. The preparation method of the 185-DEG C lead-free low-temperature alloy comprises the following preparation steps of: putting metal tin to a stainless steel crucible; heating up the crucible by using an electric furnace; adding metal copper at 280-320 DEG C when the tin is molten; adding metal silver after the metal copper is molten down; adding indium after the metal sliver is molten down; conventionally adding a degassing agent for degassing after the indium is molten down; and removing the slag and casting. The lead-free low-temperature alloy containing Sn, Cu, In and Ag disclosed by the invention is used for manufacturing a burned-out core of a temperature fuse, and the melting point of the lead-free low-temperature alloy is 185 DEG C +/-3 DEG C. The low-temperature alloy is eutectic alloy which has the characteristics of good composition uniformity, narrow melting point range, low cost and the like, and is a lead-free environment-friendly material. Moreover, the 185-DEG C lead-free low-temperature alloy has good social benefits and economic benefits.
Description
Technical field
The invention belongs to alloy field, relate to lead-free low-temperature alloy, especially a kind of 185 DEG C of fuse burned-out core lead-free low-temperature Alloy And Preparation Methods.
Background technology
Fusible core is the heart of Thermal Cutoffs, be the technological core of Thermal Cutoffs production technique, traditional Thermal Cutoffs mostly is tinsel, as a kind of material-lead being harmful to environment, be detrimental to health in production and use procedure, have great pollution to environment.
Low-temperature alloy can be used for the protection of electronic circuit in electron trade, is used for the fusing core making Thermal Cutoffs.Current low-temperature alloy leads the production firm of world's modern technique to be that the alpha of the U.S. and thousand of Japan live company.
According to the retrieval, find following relevant to the application patent documentation, wherein CN102296208A discloses a kind of lead-free low-temperature alloy of the fusing core for making Thermal Cutoffs, and its raw material is formed and weight percentage ranges is respectively: Bi:34%-36%; Zn:3.5%-4.5%; Sn: surplus; The step of its preparation method is: metallic tin is put into stainless crucible, electric furnace heats, after tin fusing, at 250-280 DEG C, add metallic zinc, after melting down, then add bismuth metal, air release agent is degassed, slagging-off to carry out conventional adding after melting down, is cast into the low-temperature alloy rod needing size.Patent documentation CN102912204A discloses a kind of lead-free low-temperature Alloy And Preparation Method and application, and this low-temperature alloy is made up of tin, bismuth, indium three kinds of metals, and each weight percentages of components is as follows: tin 15-17%; Bismuth 32-34%; Surplus is indium, and its preparation methods steps is: (1) molten tin; (2) molten bismuth; (3) molten indium; (4) degassed; (5) cast.Patent documentation CN101812623A discloses a kind of novel environment-friendly low-temperature alloy and preparation method thereof, and it is formed primarily of indium, tin, bismuth, zinc, silver metal, by the basis of Bi-In-Sn system alloy, adds the metals such as Zn, Ag.
First two sections in above-mentioned patent documentation is the technical scheme of protection of applicant's application of this patent; from the other part of the application be the composition of its alloy and component content different; the fusing point of final alloy is different; belong to different products; 3rd section of file is the technical scheme of other applicants; there is larger difference with the technical scheme of the application, its product fusing point and component content all different.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, there is provided a kind of melting range narrow, cost is low, 185 DEG C of fuse burned-out core lead-free low-temperature alloys of leadless environment-friendly, the preparation method of this alloy simultaneously providing step simple, easy to operate, and the fuse burned-out core of this reasonable offer, the fusing point of low-temperature alloy prepared by present method is 185 ± 3 DEG C.
The object of the invention is to be achieved through the following technical solutions:
A kind of 185 DEG C of fuse burned-out core lead-free low-temperature alloys, its raw material is formed and weight percentage ranges is respectively:
Cu：0.4%-0.6%；
Ag:2.8%-3.2%；
In：13.5%-14.5%；
Sn: surplus.
And its raw material is formed and weight percentage ranges is respectively:
Cu：0.5%；
Ag:?3%；
In：15%；
Sn：82.5。
An its preparation method for 185 DEG C of fuse burned-out core lead-free low-temperature alloys, step is:
(1) metallic tin is put into stainless crucible, electric furnace heats, treat that tin melts;
(2) at 280-320 DEG C, add metallic copper, after melting down, then add argent, after silver is melting down, then add indium, air release agent is degassed, slagging-off to carry out conventional adding after melting down, is cast into the low-temperature alloy rod needing size.
A kind of 185 DEG C of fuse burned-out core, by the extrusion machine extruding of low-temperature alloy rod, extrusion temperature is 80 DEG C, extrude need size low-temperature alloy silk as the fusing core of Thermal Cutoffs.
Advantage of the present invention and positively effect are:
1, the present invention prepare containing the lead-free low-temperature alloy of Sn, Cu, In, Ag, by the ratio of the various composition of meticulous adjustment, the fusing point of the alloy prepared is made to reach 185 ± 3 DEG C, melting range is narrow, this low-temperature alloy is eutectic alloy, there is the features such as uniform composition, cost be low, for making the fusing core of Thermal Cutoffs, safe and reliable.
2, low-temperature alloy of the present invention is leadless environment-friendly material, can replace traditional tinsel, and its composition is not leaded, is therefore leadless environment-friendly material, has good social benefit and economic benefit.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiment; It is emphasized that: to those skilled in the art, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
A kind of 185 DEG C of fuse burned-out core lead-free low-temperature alloys, its concrete composition is Sn
82.5cu
0.5in
14ag
3, concrete composition and weight proportion as follows:
Cu：0.5%；
Ag:?3%；
In：15%；
Sn：82.5%。
Can also adopt as the proportioning in following table, summation is 100%
| Chemical composition % | Sn | Cu | In | Ag |
| 100% | 81.5-83.5 | 0.4-0.6 | 13.5-14.5 | 2.8-3.2 |
A preparation method for 185 DEG C of fuse burned-out core lead-free low-temperature alloys, step is:
(1) by weight ratio metallic tin is put into stainless crucible, electric furnace is heated to tin fusing;
(2) at 280-320 DEG C, add metallic copper, after melting down, then add argent, after silver is melting down, then add indium, after melting down, add that air release agent is degassed, slagging-off, be cast into the low-temperature alloy rod that diameter is 25mm;
(3) with the vertical extruder of 100 tons extruding, extrusion temperature is 80 DEG C, and mould is the 5 holes extruding of 25mm, and extruding diameter is that the low-temperature alloy silk of 1.0mm uses as the fusing core of Thermal Cutoffs.
The metallic tin used in the embodiment of the present invention, copper, silver, indium and air release agent are the known products of the industry.
Confirm that the fusing point of the alloy prepared reaches 185 ± 3 DEG C by experiment.
Claims (1)
1. 185 DEG C of fuse burned-out core lead-free low-temperature alloys, is characterized in that: its raw material is formed and weight percent is respectively:
Cu：0.5％；
Ag:3％；
In：14％；
Sn：82.5％；
Preparation process is:
(1) metallic tin is heated, treat that tin melts;
(2) at 280-320 DEG C, add metallic copper, after melting down, then add argent, after silver is melting down, then add indium, air release agent is degassed, slagging-off to carry out conventional adding after melting down, is cast into the low-temperature alloy rod needing size;
(2) step is obtained low-temperature alloy rod extrusion machine extruding, extrusion temperature is 80 DEG C, extrude need size low-temperature alloy silk as the fusing core of Thermal Cutoffs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094878.1A CN103146953B (en) | 2013-03-22 | 2013-03-22 | 185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094878.1A CN103146953B (en) | 2013-03-22 | 2013-03-22 | 185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103146953A CN103146953A (en) | 2013-06-12 |
| CN103146953B true CN103146953B (en) | 2015-01-07 |
Family
ID=48545267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310094878.1A Active CN103146953B (en) | 2013-03-22 | 2013-03-22 | 185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103146953B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020047481A1 (en) * | 2018-08-31 | 2020-03-05 | Indium Corporation | Snbi and snin solder alloys |
| CN109192636B (en) * | 2018-10-26 | 2021-05-07 | 东莞市福实五金有限公司 | Novel early warning fuse and preparation method of fuse core in fuse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220374A (en) * | 2004-02-03 | 2005-08-18 | Fcm Kk | Terminal, and component and product having the same |
| JP4983913B2 (en) * | 2007-03-12 | 2012-07-25 | 千住金属工業株式会社 | Anisotropic conductive material |
| KR101056059B1 (en) * | 2008-12-01 | 2011-08-10 | 주식회사 코멧네트워크 | Target binder |
| CN102912204A (en) * | 2012-10-18 | 2013-02-06 | 天津百瑞杰焊接材料有限公司 | Low temperature alloy and preparation method and application thereof |
-
2013
- 2013-03-22 CN CN201310094878.1A patent/CN103146953B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103146953A (en) | 2013-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102626837B (en) | Moderate temperature copper-based solder and preparation method thereof | |
| CN103352137B (en) | For the copper alloy with high strength and high conductivity and preparation method thereof of power switch spring contact | |
| CN107794402A (en) | A kind of preparation method of copper alloy with high strength and high conductivity wire rod | |
| CN103060605A (en) | Novel lead-free environmentally-friendly high-strength wearable copper-based alloy rod and preparation method thereof | |
| CN103146953B (en) | 185-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof | |
| TWI550105B (en) | Lead - free bismuth - free silicon - brass alloy | |
| CN107980068A (en) | A kind of cutting brass alloy and its manufacture method | |
| CN103146955B (en) | 198-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof | |
| CN103909361A (en) | Low-silver-content cadmium-free solder | |
| CN104032169B (en) | A kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material and preparation method thereof | |
| CN103146954A (en) | 205-DEG C lead-free low-temperature alloy for fuse burned-out core and preparation method thereof | |
| CN102553960B (en) | Preparation method for tin-bismuth series alloy temperature fuse material with high plasticity | |
| CN105316535A (en) | Copper-containing ferro-aluminum alloy wire and fabrication method thereof | |
| CN102912204A (en) | Low temperature alloy and preparation method and application thereof | |
| CN104227267A (en) | Silver-based braze welding material and preparing method of silver-based braze welding material | |
| CN102296208A (en) | Lead-free low-temperature alloy for preparing fuse core of temperature fuse and preparation method thereof | |
| CN103173651A (en) | Lead-free low-temperature alloy for fusible core of fuse at 212 DEG C and preparation method thereof | |
| JP6278812B2 (en) | Copper alloy material, distribution member for electric vehicle and distribution member for hybrid vehicle | |
| CN103160705A (en) | Lead-free low-temperature alloy for 140-DEG C burned-out cores of fuses and preparation method of lead-free low-temperature alloy | |
| CN103146951A (en) | Lead-free low-temperature alloy with fusing point of 135+/-2 DEG C and preparation method thereof | |
| CN103146975A (en) | Lead-free low-temperature alloy having melting point of 116+/-3 DEG C and preparation method for same | |
| CN102978491B (en) | High-conductivity aluminium alloy conductor material for cables and preparation method thereof | |
| CN102492869B (en) | Copper-zirconium-bismuth alloy and its preparation method | |
| CN103146952A (en) | Lead-free low-temperature alloy having melting point of 80+/-2 DEG C and preparation method for same | |
| CN105385892A (en) | Babbitt metal wire 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 | ||
| CP03 | Change of name, title or address |
Address after: 300 350 No. 38 Baoyuan Road, Jinnan Economic Development Zone (East District), Tianjin Patentee after: Tianjin Bairuijie Welding Materials Co., Ltd. Address before: No. 38 Baoyuan Road, Jinnan District, Tianjin City, 300350 Patentee before: Tianjin Bairuijie Welding Material Co., Ltd. |
|
| CP03 | Change of name, title or address |