CN101003110A - Not corrosive soldering flux in use for high frequency induced pressure braze welding - Google Patents
Not corrosive soldering flux in use for high frequency induced pressure braze welding Download PDFInfo
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- CN101003110A CN101003110A CN 200610033219 CN200610033219A CN101003110A CN 101003110 A CN101003110 A CN 101003110A CN 200610033219 CN200610033219 CN 200610033219 CN 200610033219 A CN200610033219 A CN 200610033219A CN 101003110 A CN101003110 A CN 101003110A
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Abstract
A non-corrosion solder for the HF induced pressure soldering between stainless steel and aluminum contains the eutecticevaporate of potassium tetrafluoroaluminate and potassium hexafluoroaluminate (42-97 Wt%), lithium fluoride (0.5-8.5), Zinc fluoride (0.5-4.5), silicon powder and/or potassium pluorosilicate (2-4.5), nickel fluoride (0-3), cesium fluoride or cesium fluoroaluminate (0-3), copper fluoride (0-0.3), tin fluoride (0-0.5) and cadmium fluoride (0-3.5).
Description
Technical field
The present invention relates to the brazing flux that a kind of solder bonding metal is used, particularly relate to a kind of stainless iron (steel)---the brazing flux without corrosion that the aluminium high efficiency induction pressure soldering is used.
Background technology
In the prior art, high-frequency pressure soldering stainless iron (steel)---during Al-alloy parts, the brazing material that adopts is that four oxygen potassium aluminates and potassium hexafluoroaluminate eutectic use as brazing flux, and adopts Alar as solder, and two kinds of wldings must adopt just simultaneously can finish whole brazing process.Publication number is that the Chinese patent of CN1337296A, CN1555962A and CN1631604A discloses several improved stainless irons---the brazing flux without corrosion that the aluminium high efficiency induction pressure soldering is used, be intended to improve soldering strength and soldering qualification rate, but when using these improved brazing fluxes, still aluminium silicon brazing filler metal need be adopted simultaneously, just whole brazing process can be finished.And the manufacturing process of alusil alloy powder is a high energy consumption process, and in addition, the bauxite resource of China also quite lacks, thereby the cost of use aluminium silicon brazing filler metal powder is quite high.
Summary of the invention
The technical problem to be solved in the present invention is to provide the not corrosive soldering flux in use for high frequency induced pressure braze welding that need not to adopt aluminium silicon brazing filler metal in a kind of brazing process.
The technical scheme that the present invention solves the problems of the technologies described above is, adopt a kind of not corrosive soldering flux in use for high frequency induced pressure braze welding, by weight percentage (down together), this brazing flux comprises: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 42%～97%, lithium fluoride 0.5%～8.5%, zinc fluoride 0.5%～4.5%, silica flour or potassium fluosilicate 2%～45%.
Adoptable component of above-mentioned brazing flux and concrete weight proportion thereof are:
Embodiment one, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 86.8%, lithium fluoride 1.6%, zinc fluoride 1.6%, silica flour 10%.
Embodiment two, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 77.2%, lithium fluoride 6%, zinc fluoride 1.8%, silica flour 15%.
Embodiment three, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 81.9%, lithium fluoride 1.3%, zinc fluoride 1.8%, potassium fluosilicate 15%.
Except that said components, brazing flux of the present invention can also comprise nickel fluoride 0%～3%, cesium fluoride or fluoaluminic acid caesium 0%～3%, copper fluoride 0%～0.3%, tin fluoride 0%～0.5% and cadmium fluoride 0%～3.5%.
As embodiment four, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 69.7%, lithium fluoride 1.8%, zinc fluoride 1.5%, cesium fluoride or fluoaluminic acid caesium 1%, potassium fluosilicate 26%.
In addition, not corrosive soldering flux in use for high frequency induced pressure braze welding of the present invention also can adopt following prescription: the mixture 2%～45% of ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 42%～97%, lithium fluoride 0.5%～8.5%, zinc fluoride 0.5%～4.5%, silica flour and potassium fluosilicate.
Above-mentioned brazing flux can also comprise nickel fluoride 0%～3%, cesium fluoride or fluoaluminic acid caesium 0%～3%, copper fluoride 0%～0.3%, tin fluoride 0%～0.5% and cadmium fluoride 0%～3.5%.
Adoptable component of above-mentioned brazing flux and concrete weight proportion thereof are:
Embodiment five, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 75.4%, lithium fluoride 0.5%, nickel fluoride 0.6%, cesium fluoride or fluoaluminic acid caesium 0.5%, cadmium fluoride 1.5%, zinc fluoride 1.4%, copper fluoride 0.05%, tin fluoride 0.05%, silica flour 10%, potassium fluosilicate 10%.
Embodiment six, ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 74.96%, lithium fluoride 2.6%, zinc fluoride 2.4%, copper fluoride 0.04%, silica flour 15%, potassium fluosilicate 5%.
Compare with prior art, not only mobile performance is good during soldering, product percent of pass is high for not corrosive soldering flux in use for high frequency induced pressure braze welding of the present invention, and most importantly: finish whole brazing process and only need to adopt separately this brazing flux, need not to use in addition aluminium silicon brazing filler metal, whole brazing process can be saved cost over half, so just, also simplified the technological process of production of soldering simultaneously for country has saved a large amount of resources and the energy.
The specific embodiment
The present invention is further illustrated below in conjunction with embodiment.
The component of not corrosive soldering flux in use for high frequency induced pressure braze welding of the present invention (by weight percentage, be down together): ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 42%～97%, lithium fluoride 0.5%～8.5%, zinc fluoride 0.5%～4.5%, nickel fluoride 0%～3%, cesium fluoride or fluoaluminic acid caesium 0%～3%, copper fluoride 0%～0.3%, the mixture 2%～45% of tin fluoride 0%～0.5%, cadmium fluoride 0%～3.5%, silica flour or potassium fluosilicate or silica flour and potassium fluosilicate.In the said components, silica flour and potassium fluosilicate both can adopt one separately, also can adopt simultaneously; Cesium fluoride and fluoaluminic acid caesium can be chosen one wantonly.
Brazing flux of the present invention can adopt following examples:
Embodiment one: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 75.4%, lithium fluoride 0.5%, nickel fluoride 0.6%, cesium fluoride 0.5%, cadmium fluoride 1.5%, zinc fluoride 1.4%, copper fluoride 0.05%, tin fluoride 0.05%, silica flour 10%, potassium fluosilicate 10%.Wherein, the also available fluoaluminic acid caesium of cesium fluoride replaces.
Embodiment two: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 69.7%, lithium fluoride 1.8%, zinc fluoride 1.5%, cesium fluoride 1%, potassium fluosilicate 26%.Equally, the also available fluoaluminic acid caesium of cesium fluoride replaces.
Embodiment three: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 86.8%, lithium fluoride 1.6%, zinc fluoride 1.6%, silica flour 10%.
Embodiment four: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 81.9%, lithium fluoride 1.3%, zinc fluoride 1.8%, potassium fluosilicate 15%.
Embodiment five: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 77.2%, lithium fluoride 6%, zinc fluoride 1.8%, silica flour 15%.
Embodiment six: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 74.96%, lithium fluoride 2.6%, zinc fluoride 2.4%, copper fluoride 0.04%, silica flour 15%, potassium fluosilicate 5%.
Each component in the various embodiments described above is mixed, in ball mill, be milled to 200 orders and promptly can be made into not corrosive soldering flux in use for high frequency induced pressure braze welding of the present invention.During the soldering heating, on the one hand, the element of these interpolations is cemented out by aluminium, iron and forms alloy and the surface of the welding work pieces that liquefied, and has increased the activity of brazing flux; On the other hand, when adopting potassium fluosilicate, element silicon of separating out and aluminium react and form al-si eutectic alloy liquid, and this al-si eutectic alloy liquid has promptly served as the effect of filling solder; When adopting silica flour, silica flour can be directly with reactive aluminum and synthetic al-si eutectic alloy liquid, this al-si eutectic alloy liquid has also served as the effect of filling brazing filler metal alloy.
Claims (10)
1, a kind of not corrosive soldering flux in use for high frequency induced pressure braze welding, it is characterized in that, by weight percentage, this brazing flux comprises: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 42%～97%, lithium fluoride 0.5%～8.5%, zinc fluoride 0.5%～4.5%, silica flour or potassium fluosilicate 2%～45%.
2, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 1, it is characterized in that each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 86.8%, lithium fluoride 1.6%, zinc fluoride 1.6%, silica flour 10%.
3, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 1, it is characterized in that each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 77.2%, lithium fluoride 6%, zinc fluoride 1.8%, silica flour 15%.
4, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 1, it is characterized in that each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 81.9%, lithium fluoride 1.3%, zinc fluoride 1.8%, potassium fluosilicate 15%.
5, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 1, it is characterized in that, this brazing flux also comprises nickel fluoride 0%～3%, cesium fluoride or fluoaluminic acid caesium 0%～3%, copper fluoride 0%～0.3%, tin fluoride 0%～0.5% and cadmium fluoride 0%～3.5%.
6, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 5, it is characterized in that each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 69.7%, lithium fluoride 1.8%, zinc fluoride 1.5%, cesium fluoride or fluoaluminic acid caesium 1%, potassium fluosilicate 26%.
7, a kind of not corrosive soldering flux in use for high frequency induced pressure braze welding, it is characterized in that, by weight percentage, this brazing flux comprises: the mixture 2%～45% of ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 42%～97%, lithium fluoride 0.5%～8.5%, zinc fluoride 0.5%～4.5%, silica flour and potassium fluosilicate.
8, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 7, it is characterized in that, this brazing flux also comprises nickel fluoride 0%～3%, cesium fluoride or fluoaluminic acid caesium 0%～3%, copper fluoride 0%～0.3%, tin fluoride 0%～0.5% and cadmium fluoride 0%～3.5%.
9, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 8, it is characterized in that, each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 75.4%, lithium fluoride 0.5%, nickel fluoride 0.6%, cesium fluoride or fluoaluminic acid caesium 0.5%, cadmium fluoride 1.5%, zinc fluoride 1.4%, copper fluoride 0.05%, tin fluoride 0.05%, silica flour 10%, potassium fluosilicate 10%.
10, not corrosive soldering flux in use for high frequency induced pressure braze welding according to claim 8, it is characterized in that each component and the weight proportion thereof of this brazing flux are: ptfe aluminum potassium and potassium hexafluoroaluminate eutectic 74.96%, lithium fluoride 2.6%, zinc fluoride 2.4%, copper fluoride 0.04%, silica flour 15%, potassium fluosilicate 5%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100332197A CN100463764C (en) | 2006-01-19 | 2006-01-19 | Not corrosive soldering flux in use for high frequency induced pressure braze welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100332197A CN100463764C (en) | 2006-01-19 | 2006-01-19 | Not corrosive soldering flux in use for high frequency induced pressure braze welding |
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| CN101003110A true CN101003110A (en) | 2007-07-25 |
| CN100463764C CN100463764C (en) | 2009-02-25 |
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| CNB2006100332197A Expired - Fee Related CN100463764C (en) | 2006-01-19 | 2006-01-19 | Not corrosive soldering flux in use for high frequency induced pressure braze welding |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486137B (en) * | 2008-12-25 | 2010-12-01 | 天津大学 | Novel insoluble aluminum brazing flux without corrosion and preparation method thereof |
| CN102223980A (en) * | 2008-11-25 | 2011-10-19 | 苏威氟有限公司 | Anticorrosive flux |
| CN103603002A (en) * | 2013-11-14 | 2014-02-26 | 北京航空航天大学 | Surface film removing agent capable of realizing zero-defect direct-current positive polarity welding of 6XXX-series aluminum alloy |
| CN103831545A (en) * | 2014-03-14 | 2014-06-04 | 镇江市锶达合金材料有限公司 | Groove type aluminum alloy combined welding wire for arc welding and brazing and manufacturing method thereof |
| CN106029296A (en) * | 2013-12-19 | 2016-10-12 | 索尔维公司 | Flux for brazing of aluminum alloys |
| CN110181194A (en) * | 2019-07-03 | 2019-08-30 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of Compositional type brazing material and soldering processes |
| CN111151741A (en) * | 2020-01-09 | 2020-05-15 | 长沙墨科瑞网络科技有限公司 | Method for modifying indirect metal 3D printing green body through brazing coating and/or sintering post-treatment by slurry coating method |
| CN112091477A (en) * | 2019-10-24 | 2020-12-18 | 浙江新锐焊接科技股份有限公司 | High-performance composite brazing material with low brazing flux residue |
| CN113399770A (en) * | 2021-06-23 | 2021-09-17 | 丁军燕 | Foamed aluminum welding device based on induction heating |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01104494A (en) * | 1987-10-16 | 1989-04-21 | Calsonic Corp | Flux for brazing aluminum material |
| JPH0484691A (en) * | 1990-07-26 | 1992-03-17 | Calsonic Corp | Flux for brazing aluminum material |
| DE19636897A1 (en) * | 1996-09-11 | 1998-03-12 | Solvay Fluor & Derivate | Solder-free aluminum soldering |
| US6432221B1 (en) * | 1998-03-25 | 2002-08-13 | Solvay Fluor Und Derivate Gmbh | Fluxing agents |
| CN1141200C (en) * | 2001-09-10 | 2004-03-10 | 广州有色金属研究院 | Non-corrosive solder for soldering stainless iron and aluminium |
| CN1555962A (en) * | 2004-01-08 | 2004-12-22 | 张攸彭 | New type soldering flux for stainless iron aluminium brazing |
| CN1297368C (en) * | 2004-12-29 | 2007-01-31 | 广州有色金属研究院 | Non-corrosive solder for stainless iron and aluminium high efficiency induction pressure blaze welding |
-
2006
- 2006-01-19 CN CNB2006100332197A patent/CN100463764C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223980A (en) * | 2008-11-25 | 2011-10-19 | 苏威氟有限公司 | Anticorrosive flux |
| CN102223980B (en) * | 2008-11-25 | 2014-04-30 | 苏威氟有限公司 | Anticorrosive flux |
| CN101486137B (en) * | 2008-12-25 | 2010-12-01 | 天津大学 | Novel insoluble aluminum brazing flux without corrosion and preparation method thereof |
| CN103603002A (en) * | 2013-11-14 | 2014-02-26 | 北京航空航天大学 | Surface film removing agent capable of realizing zero-defect direct-current positive polarity welding of 6XXX-series aluminum alloy |
| CN106029296A (en) * | 2013-12-19 | 2016-10-12 | 索尔维公司 | Flux for brazing of aluminum alloys |
| CN103831545A (en) * | 2014-03-14 | 2014-06-04 | 镇江市锶达合金材料有限公司 | Groove type aluminum alloy combined welding wire for arc welding and brazing and manufacturing method thereof |
| CN103831545B (en) * | 2014-03-14 | 2016-01-13 | 镇江市锶达合金材料有限公司 | Fluted body arc-welding and soldering aluminium alloy compound welding wire and manufacture method thereof |
| CN110181194A (en) * | 2019-07-03 | 2019-08-30 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of Compositional type brazing material and soldering processes |
| CN112091477A (en) * | 2019-10-24 | 2020-12-18 | 浙江新锐焊接科技股份有限公司 | High-performance composite brazing material with low brazing flux residue |
| CN111151741A (en) * | 2020-01-09 | 2020-05-15 | 长沙墨科瑞网络科技有限公司 | Method for modifying indirect metal 3D printing green body through brazing coating and/or sintering post-treatment by slurry coating method |
| CN113399770A (en) * | 2021-06-23 | 2021-09-17 | 丁军燕 | Foamed aluminum welding device based on induction heating |
| CN113399770B (en) * | 2021-06-23 | 2023-11-24 | 丁军燕 | Foam aluminum welding device based on induction heating |
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| Publication number | Publication date |
|---|---|
| CN100463764C (en) | 2009-02-25 |
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Granted publication date: 20090225 Termination date: 20120119 |