CN108247238A - One kind prolongs the service life red copper welding compound and its application method - Google Patents
One kind prolongs the service life red copper welding compound and its application method Download PDFInfo
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- CN108247238A CN108247238A CN201711307313.1A CN201711307313A CN108247238A CN 108247238 A CN108247238 A CN 108247238A CN 201711307313 A CN201711307313 A CN 201711307313A CN 108247238 A CN108247238 A CN 108247238A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3603—Halide salts
- B23K35/3605—Fluorides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to red copper welding compound technical fields, and in particular to one kind prolongs the service life red copper welding compound and its application method, includes the raw material of following parts by weight：22 28 parts of fluorite powder, the metal mixed material that iron content is 45 55%, 12 17 parts of epidesmine powder, 47 parts of zinc bromide, 8 15 parts of silicone powder, 15 18 parts of waterglass；In use, it needs to be preheating to 350 400 DEG C to red copper component, then in contact component contact portion radiant heating beam.The present invention has the following advantages compared with prior art：Welding compound is easy to use, and welding efficiency is high, can improve the mechanical strength of welding surface, red copper device tungsten after welding without fire check, stomata, it is lack of penetration situations such as occur, its service life is greatly improved, its service life is made to extend to more than 2000 heats, use easy to spread.
Description
Technical field
The invention belongs to red copper welding compound technical fields, and in particular to one kind prolong the service life red copper welding compound and its
Application method.
Background technology
Red copper welding product is lighter than riveting parts, casting and forge weight, can mitigate for transport facility certainly
Weight saves energy, and the weldability of red copper is good, suitable for manufacturing all kinds of containers, develops joint processing technology, makes red copper welding and forging
Make, cast and be combined, can be made it is large-scale, economical rationality welding structure is helped to close forging structure, economic benefit is very high, using red copper
Welding procedure can efficiently use material, and red copper welding structure can use the material of different performance in different parts, play each material
The speciality of material, therefore its processing method becomes more and more important；
The weldability of red copper is poor, there is poor, the mutability of through welding property；It is oxidizable, welding point mechanical performance is low；It is susceptible to gas
Phenomena such as hole or fire check, second-rate, service life is shorter, and therefore, it is necessary to further study how to solve problem above.
Invention content
The purpose of the present invention is being directed to the problem of existing, providing one kind and prolonging the service life red copper welding compound and its makes
Use method.
The present invention is achieved by the following technical solutions：One kind prolongs the service life red copper welding compound, including following
The raw material of parts by weight：22-28 parts of fluorite powder, 12-17 parts of metal mixed material, epidesmine powder, the bromine that iron content is 45-55%
Change 4-7 parts of zinc, 8-15 parts of silicone powder, 15-18 parts of waterglass；
The preparation method of the welding compound is：By epidesmine powder, fluorite powder, zinc bromide, silicone powder ball milling ratio be 10:1
Under conditions of ball milling 2.5-4 hours in batch mixer, then add in after the metal mixed material that iron content is 45-55% stirs evenly
Then 550-600 DEG C of high temperature sintering 35-40 minutes adds in waterglass mixing 15-20 minutes, is 150-200kGy with irradiation dose
Gamma-radiation irradiate 5-10 minutes, then obtain finished product through 280-340 DEG C of drying.
As further improvement of these options, the epidesmine powder is obtained by calcium nitrate modified zeolite powder.
As further improvement of these options, in the metal mixed material that the iron content is 45-55% by weight
Meter, further includes 4-10 parts of manganese, 0-8 parts of zirconiums, 0-5 parts of barium, 0-2 parts of tin, 0-2 parts of cobalts, 0-2 parts of nickel, 0-1 parts of tungsten, 0-1 parts of titaniums.
As further improvement of these options, the modulus of water glass is 2.5-2.6, water content 23.5-
28wt%。
As further improvement of these options, the granularity of the epidesmine powder is 80-100 mesh, fluorite powder
Granularity be 200-240 mesh；The granularity of metal mixed material that iron content is 45-55% is 50-70 mesh.
A kind of application method for the red copper welding compound that prolongs the service life, needs to be preheating to 350- to red copper component before welding
400 DEG C, it is 650-750 DEG C that temperature is then kept in contact component contact portion radiant heating beam, welding process, and welding compound exists
The coating thickness of electrode surface is 300-600 μm, and slow cooling is kept the temperature to welding position after the completion of welding；Polishing weldering after the completion of welding
Seam influences the welding deformation of quality or appearance with mechanical checkout；The heating beam is provided by HL-2A devices, and heating power is
The perveance of 1.3-1.5MW, Shu Yuan are 2.0 μ P.
The present invention has the following advantages compared with prior art：Welding compound is easy to use, and welding efficiency is high, can improve welding
The mechanical strength in face, red copper device tungsten after welding without fire check, stomata, it is lack of penetration situations such as occur, utilize preheating and hot light
Beam mating reaction makes base material easily be melted with filling metal, and then enhances equipment intensity, and prevention is lack of penetration and the situation of deformation；
It is acted on using epidesmine powder and fluorite powder, refines the grain structure of commissure, its plasticity and toughness is made to have certain enhancing；Iron
Content is that the use of the metal mixed material of 45-55% helps to reduce the thermal conductivity factor of copper, subtracts brazed seam crystallization and freezing process
It is slow, reduce gas pore in weld metal；Zinc bromide, silicone powder are combined with red copper base material, avoid the intermetallic compound of generation brittlement phase,
And then reduce the generation of fire check；Therefore its service life can be greatly improved, make its service life extend to 2000 heats with
On, use easy to spread.
Specific embodiment
Embodiment 1
One kind prolongs the service life red copper welding compound, includes the raw material of following parts by weight：25 parts of fluorite powder, iron content are
50% metal mixed material, 15 parts of epidesmine powder, 6 parts of zinc bromide, 12 parts of silicone powder, 16 parts of waterglass；
The preparation method of the welding compound is：By epidesmine powder, fluorite powder, zinc bromide, silicone powder ball milling ratio be 10:1
Under conditions of ball milling 3.5 hours in batch mixer, then add in after the metal mixed material that iron content is 50% stirs evenly at 600 DEG C
Then high temperature sintering 35 minutes adds in waterglass and mixes 15 minutes, the gamma-radiation for being 200kGy with irradiation dose irradiates 10 points
Then clock obtains finished product through 300 DEG C of drying.
Wherein, the epidesmine powder is obtained by calcium nitrate modified zeolite powder；The iron content is 50% metal mixed material
In by weight, further include 6 parts of manganese, 4 parts of zirconiums, 1 part of tin, 1 part of nickel, 1 part of titanium；The modulus of water glass is 2.54, water content
For 25wt%；The granularity of the epidesmine powder is 80-100 mesh, and the granularity of fluorite powder is 200-240 mesh；Iron content is
The granularity of the metal mixed material of 45-55% is 50-70 mesh.
A kind of application method for the red copper welding compound that prolongs the service life, needs to be preheating to 380 to red copper component before welding
DEG C, it is 700 DEG C that temperature is then kept in contact component contact portion radiant heating beam, welding process, and welding compound is in welding rod table
The coating thickness in face is 4500 μm, and slow cooling is kept the temperature to welding position after the completion of welding；Polishing welding seams after the completion of welding, with mechanical school
The welding deformation of active influence quality or appearance；The heating beam is provided by HL-2A devices, and heating power 1.4MW's, Shu Yuan leads
Stream coefficient is 2.0 μ P.
Embodiment 2
One kind prolongs the service life red copper welding compound, includes the raw material of following parts by weight：22 parts of fluorite powder, iron content are
55% metal mixed material, 12 parts of epidesmine powder, 4 parts of zinc bromide, 8 parts of silicone powder, 15 parts of waterglass；
The preparation method of the welding compound is：By epidesmine powder, fluorite powder, zinc bromide, silicone powder ball milling ratio be 10:1
Under conditions of ball milling 2.5 hours in batch mixer, then add in after the metal mixed material that iron content is 55% stirs evenly at 550 DEG C
Then high temperature sintering 35 minutes adds in waterglass and mixes 15 minutes, the gamma-radiation for being 150kGy with irradiation dose irradiates 10 points
Then clock obtains finished product through 340 DEG C of drying.
Wherein, the epidesmine powder is obtained by calcium nitrate modified zeolite powder；The iron content is 55% metal mixed material
In by weight, further include 4 parts of manganese, 8 parts of zirconiums, 2 parts of barium, 2 parts of cobalts, 2 parts of nickel；The modulus of water glass is 2.5, and water content is
23.5wt%；The granularity of the epidesmine powder is 80-100 mesh, and the granularity of fluorite powder is 200-240 mesh；Iron content is
The granularity of 55% metal mixed material is 50-70 mesh.
A kind of application method for the red copper welding compound that prolongs the service life, needs to be preheating to 350 to red copper component before welding
DEG C, it is 650 DEG C that temperature is then kept in contact component contact portion radiant heating beam, welding process, and welding compound is in welding rod table
The coating thickness in face is 300 μm, and slow cooling is kept the temperature to welding position after the completion of welding；Polishing welding seams after the completion of welding, with mechanical school
The welding deformation of active influence quality or appearance；The heating beam is provided by HL-2A devices, and heating power 1.3MW's, Shu Yuan leads
Stream coefficient is 2.0 μ P.
Embodiment 3
One kind prolongs the service life red copper welding compound, includes the raw material of following parts by weight：28 parts of fluorite powder, iron content are
45% metal mixed material, 17 parts of epidesmine powder, 4 parts of zinc bromide, 15 parts of silicone powder, 15 parts of waterglass；
The preparation method of the welding compound is：By epidesmine powder, fluorite powder, zinc bromide, silicone powder ball milling ratio be 10:1
Under conditions of ball milling 4 hours in batch mixer, then add in after the metal mixed material that iron content is 45-55% stirs evenly at 600 DEG C
Then high temperature sintering 40 minutes adds in waterglass and mixes 15 minutes, the gamma-radiation for being 200kGy with irradiation dose irradiates 5 minutes,
Then finished product is obtained through 280 DEG C of drying.
Wherein, the epidesmine powder is obtained by calcium nitrate modified zeolite powder；The iron content is 45% metal mixed material
In by weight, further include 10 parts of manganese, 2 parts of barium, 2 parts of tin, 1 part of tungsten, 1 part of titanium；The modulus of water glass is 2.6, water content
For 28wt%；The granularity of the epidesmine powder is 80-100 mesh, and the granularity of fluorite powder is 200-240 mesh；Iron content is
The granularity of 45% metal mixed material is 50-70 mesh.
A kind of application method for the red copper welding compound that prolongs the service life, needs to be preheating to 400 to red copper component before welding
DEG C, it is 750 DEG C that temperature is then kept in contact component contact portion radiant heating beam, welding process, and welding compound is in welding rod table
The coating thickness in face is 600 μm, and slow cooling is kept the temperature to welding position after the completion of welding；Polishing welding seams after the completion of welding, with mechanical school
The welding deformation of active influence quality or appearance；The heating beam is provided by HL-2A devices, and heating power 1.5MW's, Shu Yuan leads
Stream coefficient is 2.0 μ P.
Control group 1 is set, epidesmine powder in embodiment 1 is removed, remaining content is constant；Control group 2 is set, will be implemented
Fluorite powder removes in example 1, remaining content is constant；Control group 3 is set, zinc bromide in embodiment 1 is removed, remaining content is not
Become；Control group 4 is set, silicone powder in embodiment 1 is removed, remaining content is constant；Control group 5 is set, iron in embodiment 1 is contained
It measures and replaces with iron powder for the metal mixed material of 45-55%, remaining content is constant；Set control group 6, by embodiment 1 in contact site
Part contact portion radiant heating beam removes, remaining content is constant；To each group welding red copper crystallizer, after testing and observe, observation
Content include whether there are cracks, stomata, it is lack of penetration the defects of, whether there is Seepage through the 0.5MPa water pressure tests, to service life into
Row statistics, obtains following result：
Table 1
| Observation statistics | Crackle | Stomata | It is lack of penetration | Leakage | Service life |
| Embodiment 1 | Nothing | Nothing | Nothing | Nothing | 2176 |
| Embodiment 2 | Nothing | Nothing | Nothing | Nothing | 2158 |
| Embodiment 3 | Nothing | Nothing | Nothing | Nothing | 2164 |
| Control group 1 | Have | Nothing | Nothing | Have | 1437 |
| Control group 2 | Nothing | Have | Nothing | Have | 1735 |
| Control group 3 | Have | Nothing | Nothing | Have | 1439 |
| Control group 4 | Have | Nothing | Nothing | Have | 1428 |
| Control group 5 | Nothing | Have | Nothing | Have | 1675 |
| Control group 6 | Nothing | Nothing | Have | Have | 2023 |
Can be seen that by data in table 1 using preheating and hot light beam mating reaction, can prevent situation that is lack of penetration and deforming；
It is acted on using epidesmine powder and fluorite powder, refines the grain structure of commissure, equipment plasticity and toughness is made to have certain enhancing；
Iron content is that the use of the metal mixed material of 45-55% helps to reduce gas pore in weld metal；Zinc bromide, silicone powder and red copper are female
Material combines, and avoids the intermetallic compound of generation brittlement phase, and then reduce the generation of fire check.
Claims (8)
- The red copper welding compound 1. one kind prolongs the service life, which is characterized in that include the raw material of following parts by weight：Fluorite powder 22-28 parts, 4-7 parts of 12-17 parts of metal mixed material, epidesmine powder, zinc bromide, the silicone powder 8-15 that iron content is 45-55% Part, 15-18 parts of waterglass；The preparation method of the welding compound is：By epidesmine powder, fluorite powder, zinc bromide, silicone powder ball milling ratio be 10:1 Under conditions of ball milling 2.5-4 hours in batch mixer, then add in after the metal mixed material that iron content is 45-55% stirs evenly Then 550-600 DEG C of high temperature sintering 35-40 minutes adds in waterglass mixing 15-20 minutes, is 150-200kGy with irradiation dose Gamma-radiation irradiate 5-10 minutes, then obtain finished product through 280-340 DEG C of drying.
- The red copper welding compound 2. one kind as described in claim 1 prolongs the service life, which is characterized in that the epidesmine powder by Calcium nitrate modified zeolite powder obtains.
- The red copper welding compound 3. one kind as described in claim 1 prolongs the service life, which is characterized in that the iron content is 45- In 55% metal mixed material by weight, 4-10 parts of manganese, 0-8 parts of zirconiums, 0-5 parts of barium, 0-2 parts of tin, 0-2 parts of cobalts, 0- are further included 2 parts of nickel, 0-1 parts of tungsten, 0-1 parts of titaniums.
- The red copper welding compound 4. one kind as described in claim 1 prolongs the service life, which is characterized in that the modulus of water glass is 2.5-2.6, water content 23.5-28wt%.
- The red copper welding compound 5. one kind as described in claim 1 prolongs the service life, which is characterized in that the epidesmine powder Granularity is 80-100 mesh, and the granularity of fluorite powder is 200-240 mesh；Iron content is the particle of the metal mixed material of 45-55% It spends for 50-70 mesh.
- 6. a kind of application method for the red copper welding compound that prolongs the service life as described in claim 1, which is characterized in that before welding It needs to be preheating to 350-400 DEG C to red copper component, then be kept in contact component contact portion radiant heating beam, welding process Temperature is 650-750 DEG C, and welding compound is 300-600 μm in the coating thickness of electrode surface, and welding position is protected after the completion of welding Warm slow cooling.
- 7. a kind of application method for the red copper welding compound that prolongs the service life as claimed in claim 6, which is characterized in that welded Into rear polishing welding seams, the welding deformation of quality or appearance is influenced with mechanical checkout.
- 8. a kind of application method for the red copper welding compound that prolongs the service life as claimed in claim 6, which is characterized in that described to add Hot beam is provided by HL-2A devices, and the perveance of heating power 1.3-1.5MW, Shu Yuan are 2.0 μ P.
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Citations (8)
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|---|---|---|---|---|
| CN1247114A (en) * | 1998-09-04 | 2000-03-15 | 路万国 | Welding electrode for welding red copper |
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| CN1423848A (en) * | 2000-03-21 | 2003-06-11 | 奥托库姆普联合股份公司 | Method for making an electro conductive joint |
| CN101204762A (en) * | 2007-12-25 | 2008-06-25 | 昆山成利焊锡制造有限公司 | Al and Al alloy soft braze welding metal displaced type unleaded welding soldering flux |
| CN101767255A (en) * | 2009-12-23 | 2010-07-07 | 攀枝花新钢钒股份有限公司 | Red copper welding agent and red copper welding method |
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| CN104708180A (en) * | 2015-03-13 | 2015-06-17 | 南京宝泰特种材料股份有限公司 | Red copper crucible welding method |
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2017
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| CN1398212A (en) * | 1999-11-23 | 2003-02-19 | 挪威海德罗公开有限公司 | Aluminium product with excellent brazing characteristics |
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| EP2799164A1 (en) * | 2013-05-03 | 2014-11-05 | Heraeus Materials Technology GmbH & Co. KG | Improved sinter paste with partially oxidised metal particles |
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Application publication date: 20180706 |