CN110066944A - A kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy - Google Patents
A kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy Download PDFInfo
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- CN110066944A CN110066944A CN201910378473.8A CN201910378473A CN110066944A CN 110066944 A CN110066944 A CN 110066944A CN 201910378473 A CN201910378473 A CN 201910378473A CN 110066944 A CN110066944 A CN 110066944A
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/001—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by extrusion or drawing
-
- 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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
-
- 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
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/282—Zn as the principal constituent
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses the welding materials and its technique of a kind of middle aluminium content zinc-aluminium damping alloy.By weight percentage, composition of alloy are as follows: Cu:0.5-1.0wt.%, Ni:0.3-0.5wt.%, Mn:1.0-1.5wt.%, Ge:0.5-0.8wt.%, In:0.1-0.4wt.%, Sb:4.0-5.0wt.%, Bi:2.0-2.5wt.%, P:0.1-0.2wt.%, Al:30.0-32.0wt.%, surplus Zn.The zinc-aluminium damping alloy of aluminium content in two pieces can be diffused mechanical property and damping capacity of the welding without reducing connector by the welding material that this patent provides.The material also can obtain great social value and economic value by successful industrialization while solving industrial vibration and noise reducing demand due to simple to equipment requirement.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of allumen.
Background technique
In at the international level, mechanical oscillation and noise control have become the significant consideration in market competition.Meanwhile
From protection people physical and mental health and environmental quality for, vibration and noise be also countries in the world pressing issues urgently to be solved it
One.Damping alloy is a kind of novel structural material, can use internal in-fighting mechanism and is converted to the mechanical energy of vibration
Thermal energy and dissipate.With people's environmental consciousness, the enhancing of products quality consciousness, the application of damping alloy spread industry with
The every field of national defence.
For damping alloy as a kind of new material that structure and function is unified, prospect is that non-ordinary light is bright.Damping alloy is not
Only with the high intensity of structural material, nonmetallic high damping properties are also shown.The in-fighting mechanism of damping alloy for a long time with
It is preceding just to will be apparent from, but damping alloy is used for the thing of vibration and noise reducing really nearest decades.Meanwhile people are also in reality
A large amount of utility datas are had accumulated during the use of border, this has also promoted damp alloy material to be more widely applied to vibration damping
Noise reduction product design, the engineering fields such as environmental noise design and labour protection.
Zinc-aluminium base damping alloy is a kind of very important alloy species in damping alloy, and damper mechanism derives from crystal boundary
The VISCOUS FLOW generated in loading process.As structural material for aviation and boat can be efficiently used for after vibration and noise reducing
The raising of the electronic instrument and instrument equally accurate and service life in the fields such as it.At home and abroad have at present considerable degree of
It promotes and uses.
But very regrettably, vibration damping generally is prepared into using the method for casting for zinc-base damping alloy at present
Use component.It connects further, it is also possible to which the material is processed into all kinds of damping means by the way of riveting with vibration source.Using
The mode that screw bolt and nut is riveted is only suitable for smaller vibration-proof structure.Under the bigger occasion of shock absorber section, riveting
The performance advantage of damping alloy cannot have been given full play to.
Thus, develop a kind of material that can be welded aluminium zinc high damping alloy be current vibration and noise reducing field urgently
It solves the problems, such as.Countries in the world have put into a large amount of man power and material and have carried out difficult exploration, but up to the present do not have also
There is a kind of solution of maturation.Meanwhile the similar-type products not haveing excellent performance both at home and abroad at present.Develop simultaneously industrialization zinc
The welding material of aluminium base high damping alloy is the hot spot in domestic and international damping alloy field at present.Angle of this patent from materialogy
It sets out, proposes a kind of material for zinc-aluminium high damping alloy welding.From the mechanical property and microstructure of welding point
For structure, it can overcome the problems, such as that presently, there are and considerably increase the safety of structural member in the process of running completely.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of welding material of middle aluminium content zinc-aluminium damping alloy
Material and its technique.The material can be used for the welding for the zinc-aluminium damping alloy that aluminum content is 40-50wt.% or so, and gained connector
Region has satisfactory mechanical property and damping capacity.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy.By weight percentage, which is Cu:
0.5-1.0wt.%,Ni:0.3-0.5wt.%,Mn:1.0-1.5wt.%,Ge:0.5-0.8wt.%,In:0.1-0.4wt.%,Sb:
4.0-5.0wt.%, Bi:2.0-2.5wt.%, P:0.1-0.2wt.%, Al:30.0-32.0wt.%, surplus Zn.
The preparation and application of above-mentioned welding material including following processing and uses step :(a) according in formula
After weight alloy percentage composition ingredient, it is put into argon gas protection induction furnace and carries out induction melting, and use graphite crucible；?
Alloy melt is sufficiently stirred using electromagnetic agitation in 700-750 degree, is subsequently poured into cast iron die and casts；(b) by institute
It obtains ingot casting and carries out cold rolling, amount is 5-8% under rolling per pass, and to carry out an intermediate annealing, technique 100- after every two passage
150 degree 1.0-1.2 hours；Above step is repeated, until final foil is with a thickness of 30-50 microns；(c) in the heat of argon gas protection
It is diffused welding in treatment furnace, welding foil as obtained above will be placed among welded workpiece；Temperature is increased to 300-
It pressurizes after 350 degree and 3-5MPa and keeps the temperature 10-15 minutes；Then stop heating and taking out workpiece.
Compared with prior art, the invention has the following beneficial effects:
(1) zinc-aluminium high damping alloy can be divided into three types according to aluminium content difference: aluminum content is that 60-70wt.% or so is
High aluminium content allumen, aluminum content are that 40-50wt.% or so is middle aluminium content allumen, and aluminum content is 20-
30wt.% or so is low-aluminum-content allumen.It is Mitsubishi public affairs that middle aluminium content zinc-aluminium damping alloy is most representational
The Cosmal-Z alloy series of exploitation are taken charge of, wherein aluminium content is 40wt.% or so.Allumen is present such that welding by zinc
Process is extremely difficult, this is closely related with the material resources of zinc and chemical property.Kirsite is mainly reflected in be easier to aoxidize,
The oxide formed in welding process, which is easy to generate within a fitting, to be mingled with.The fusing point of zinc and boiling point are very low simultaneously, are easy welding
The particle of ZnO is formed when connecing and seriously affects the health of worker.Therefore kirsite is not easy using traditional arc welding side
Formula is welded.Meanwhile with the fast development of modern industry, vibration problem is more come and protrusion.Zinc-aluminium base damping alloy application
Range is more and more wider, but is all in many cases the riveting method using bolt and screw.By the way of traditional welding not
It can be effectively carried out the welding of aluminium zinc damping alloy, thus develop a kind of weldering that can be diffused welding under protection of argon gas
Connecing material is the materialogy solution to meet the market requirement.
(2) for the material working method as shown in Figure 1, wherein A is zinc-aluminium damping alloy to be welded, B is present patent application
The welding material of protection.B material is designed by materialogy so that the material is solid-liquid two-phase shape under the welding temperature of setting
State, and have the solid phase in prescribed limit and liquid phase ratio.Zinc-aluminium damping alloy solidus temperature to be welded is higher than diffusion welding (DW)
Operating temperature, thus be solid-state under the welding temperature.Initial time under welding temperature, B is due to being in solid-liquid two-phase shape
State and make liquid phase therein start to flow in gap, to be sufficient filling with gap therein.Meanwhile A material starts in B
Dissolve and change the ingredient of B.Last result is exactly that B produces solidification due to composition transfer, so that two blocks of A materials be welded
It is connected together.
(3) the welding material melting range of present patent application protection is 380-400 degree.In comparison, common middle aluminium contains
The fusing point for measuring zinc-aluminium damping alloy is 510-520 degree.(300-350 degree) at the working temperature, at present patent application protection materials
In liquid-solid two-phase section, and the content of liquid phase is 30-40vol.%.The liquid phase has very excellent mobility at the working temperature
Can, the hole that can be sufficient filling between two blocks of materials to be welded.In addition, the specific heat capacity of the welding material only has 0.4-0.5KJ/
Kg ﹒ K, for the thermal capacitance compared to traditional middle aluminium content allumen relatively low (0.5-0.6KJ/Kg ﹒ K).Under small hot-fluid,
The welding material can have big temperature to promote effect, and welding foil can be made to melt completion welding in a short period of time
Process.Thus, using the material carry out welding process in, 300-350 degree at a temperature of by 10-15 minutes can be complete
At the process of welding.
(4) welding material is measured other than fusing point and thermal capacitance that thermodynamic property determines, it is necessary to consider that the material is welding
Mechanical property (including intensity and damping capacity) after connecing.The yield strength of aluminium content zinc-aluminium damping alloy is 230- in tradition
250MPa, tensile strength 290-310MPa, elongation percentage 1.0-2.0%.It is formed using the welding material that present patent application is protected
Welding point, yield strength 240-260MPa, tensile strength 320-340MPa, elongation percentage maintains 2.0-3.0%.This
Outside, tradition in aluminium content allumen in-fighting Q-1(× 10-3) it is 2-3.The welding of the present patent application protection in-fighting of material
It can achieve Q-1(× 10-3)=5-8.Damping component after thus welding can satisfy the demand of industrial vibration and noise reducing completely.
Detailed description of the invention
Fig. 1: the figure is that the welding material of present patent application protection uses schematic diagram；Wherein A is aluminium in be welded two pieces
Content allumen, B are the welding material of present patent application protection.
Specific embodiment
Embodiment 1
A kind of welding material of middle aluminium content zinc-aluminium damping alloy.By weight percentage, composition of alloy are as follows: Cu:
0.5wt.%,Ni:0.3wt.%,Mn:1.0wt.%,Ge:0.5wt.%,In:0.1wt.%,Sb:4.0wt.%,Bi:2.0wt.%,P:
0.1wt.%, Al:30.0wt.%, surplus Zn.
The preparation and application of above-mentioned welding material including following processing and uses step :(a) according in formula
After weight alloy percentage composition ingredient, it is put into argon gas protection induction furnace and carries out induction melting, and use graphite crucible；?
Alloy melt is sufficiently stirred using electromagnetic agitation in 720 degree, is subsequently poured into cast iron die and casts；(b) gained is cast
Ingot carries out cold rolling, is 6% under rolling per pass, and an intermediate annealing is carried out after every two passage, technique is 120 degree 1.0 small
When；Above step is repeated, until final foil is with a thickness of 40 microns；(c) it is diffused in the heat-treatment furnace of argon gas protection
Welding will place welding foil as obtained above among welded workpiece；It pressurizes and 4MPa and keeps the temperature after temperature is increased to 310 degree
12 minutes；Then stop heating and taking out workpiece.
The material melting point is 385 degree.In comparison, the fusing point of common middle aluminium content zinc-aluminium damping alloy is 510-520
Degree.(310 degree) at the working temperature, which is in liquid-solid two-phase section, and the content of liquid phase is 35vol.%.The welding material
Specific heat capacity there was only 0.42KJ/Kg ﹒ K, compared to relatively low (0.5-0.6KJ/ for the thermal capacitance of traditional middle aluminium content allumen
Kg ﹒ K).Under small hot-fluid, which can have big temperature to promote effect, 310 degree at a temperature of by 12 points
Clock can complete the process of welding.The yield strength of aluminium content zinc-aluminium damping alloy is 230-250MPa in tradition, and tension is strong
Degree is 290-310MPa, elongation percentage 1.0-2.0%.The welding point formed using the welding material of present patent application protection, is bent
Intensity is taken as 250MPa, tensile strength 325MPa, elongation percentage maintains 2.4%.In addition, aluminium content allumen in tradition
In-fighting Q-1(× 10-3) it is 2-3.The in-fighting of the welding material of present patent application protection can achieve Q-1(× 10-3)=6.Thus
Damping component after welding can satisfy the demand of industrial vibration and noise reducing completely.
Embodiment 2
A kind of welding material of middle aluminium content zinc-aluminium damping alloy.By weight percentage, composition of alloy are as follows: Cu:
1.0wt.%,Ni:0.5wt.%,Mn:1.5wt.%,Ge:0.8wt.%,In:0.4wt.%,Sb:5.0wt.%,Bi:2.5wt.%,P:
0.2wt.%, Al:32.0wt.%, surplus Zn.
The preparation and application of above-mentioned welding material including following processing and uses step :(a) according in formula
After weight alloy percentage composition ingredient, it is put into argon gas protection induction furnace and carries out induction melting, and use graphite crucible；?
Alloy melt is sufficiently stirred using electromagnetic agitation in 740 degree, is subsequently poured into cast iron die and casts；(b) gained is cast
Ingot carries out cold rolling, is 8% under rolling per pass, and an intermediate annealing is carried out after every two passage, technique is 120 degree 1.2 small
When；Above step is repeated, until final foil is with a thickness of 30 microns；(c) it is diffused in the heat-treatment furnace of argon gas protection
Welding will place welding foil as obtained above among welded workpiece；It pressurizes and 4MPa and keeps the temperature after temperature is increased to 340 degree
15 minutes；Then stop heating and taking out workpiece.
The material melting point is 390 degree.In comparison, the fusing point of common middle aluminium content zinc-aluminium damping alloy is 510-520
Degree.(340 degree) at the working temperature, which is in liquid-solid two-phase section, and the content of liquid phase is 38vol.%.The welding material
Specific heat capacity there was only 0.45KJ/Kg ﹒ K, compared to relatively low (0.5-0.6KJ/ for the thermal capacitance of traditional middle aluminium content allumen
Kg ﹒ K).Under small hot-fluid, which can have big temperature to promote effect, 340 degree at a temperature of by 15 points
Clock can complete the process of welding.The yield strength of aluminium content zinc-aluminium damping alloy is 230-250MPa in tradition, and tension is strong
Degree is 290-310MPa, elongation percentage 1.0-2.0%.The welding point formed using the welding material of present patent application protection, is bent
Intensity is taken as 250MPa, tensile strength 332MPa, elongation percentage maintains 2.5%.In addition, aluminium content allumen in tradition
In-fighting Q-1(× 10-3) it is 2-3.The in-fighting of the welding material of present patent application protection can achieve Q-1(× 10-3)=5.Thus
Damping component after welding can satisfy the demand of industrial vibration and noise reducing completely.
Embodiment 3
A kind of welding material of middle aluminium content zinc-aluminium damping alloy.By weight percentage, composition of alloy are as follows: Cu:
0.8wt.%,Ni:0.3wt.%,Mn:1.2wt.%,Ge:0.6wt.%,In:0.2wt.%,Sb:4.8wt.%,Bi:2.1wt.%,P:
0.1wt.%, Al:30.5wt.%, surplus Zn.
The preparation and application of above-mentioned welding material including following processing and uses step :(a) according in formula
After weight alloy percentage composition ingredient, it is put into argon gas protection induction furnace and carries out induction melting, and use graphite crucible；?
Alloy melt is sufficiently stirred using electromagnetic agitation in 710 degree, is subsequently poured into cast iron die and casts；(b) gained is cast
Ingot carries out cold rolling, is 6% under rolling per pass, and an intermediate annealing is carried out after every two passage, technique is 140 degree 1.0 small
When；Above step is repeated, until final foil is with a thickness of 40 microns；(c) it is diffused in the heat-treatment furnace of argon gas protection
Welding will place welding foil as obtained above among welded workpiece；It pressurizes and 3MPa and keeps the temperature after temperature is increased to 320 degree
10 minutes；Then stop heating and taking out workpiece.
The material melting point is 385 degree.In comparison, the fusing point of common middle aluminium content zinc-aluminium damping alloy is 510-520
Degree.(320 degree) at the working temperature, which is in liquid-solid two-phase section, and the content of liquid phase is 38vol.%.The welding material
Specific heat capacity there was only 0.45KJ/Kg ﹒ K, compared to relatively low (0.5-0.6KJ/ for the thermal capacitance of traditional middle aluminium content allumen
Kg ﹒ K).Under small hot-fluid, which can have big temperature to promote effect, 320 degree at a temperature of by 10 points
Clock can complete the process of welding.The yield strength of aluminium content zinc-aluminium damping alloy is 230-250MPa in tradition, and tension is strong
Degree is 290-310MPa, elongation percentage 1.0-2.0%.The welding point formed using the welding material of present patent application protection, is bent
Intensity is taken as 250MPa, tensile strength 328MPa, elongation percentage maintains 2.5%.In addition, aluminium content allumen in tradition
In-fighting Q-1(× 10-3) it is 2-3.The in-fighting of the welding material of present patent application protection can achieve Q-1(× 10-3)=8.Thus
Damping component after welding can satisfy the demand of industrial vibration and noise reducing completely.
Claims (2)
1. a kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy；By weight percentage, the composition of alloy are as follows:
Cu:0.5-1.0wt.%,Ni:0.3-0.5wt.%,Mn:1.0-1.5wt.%,Ge:0.5-0.8wt.%,In:0.1-0.4wt.%,
Sb:4.0-5.0wt.%, Bi:2.0-2.5wt.%, P:0.1-0.2wt.%, Al:30.0-32.0wt.%, surplus Zn.
2. a kind of welding material of middle aluminium content zinc-aluminium damping alloy described in claim 1, it is characterised in that including processing as follows
With use step :(a) after the weight alloy percentage composition ingredient in formula, be put into argon gas protection induction furnace in felt
Melting is answered, and uses graphite crucible；Alloy melt is sufficiently stirred using electromagnetic agitation in 700-750 degree, is subsequently poured into casting
It casts in swage tool；(b) gained ingot casting is subjected to cold rolling, amount is 5-8% under rolling per pass, and will be into after every two passage
Intermediate annealing of row, technique are 100-150 degree 1.0-1.2 hours；Repeat above step, until final foil with a thickness of
30-50 microns；(c) it is diffused welding in the heat-treatment furnace of argon gas protection, it is as obtained above by being placed among welded workpiece
Soldering foil；Temperature is increased to after 300-350 degree and pressurizes 3-5MPa and keeps the temperature 10-15 minutes；Then stopping heats and will
Workpiece takes out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378473.8A CN110066944A (en) | 2019-05-08 | 2019-05-08 | A kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy |
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| CN201910378473.8A CN110066944A (en) | 2019-05-08 | 2019-05-08 | A kind of welding material and its technique of middle aluminium content zinc-aluminium damping alloy |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139673A (en) * | 2006-09-06 | 2008-03-12 | 中国科学院金属研究所 | Zn-Al-Zr-Si high-damping vibration alloy and preparation and heat treatment process |
| CN106399755A (en) * | 2016-12-12 | 2017-02-15 | 福州大学 | Environmental-friendly zinc-aluminum damping alloy and preparation method thereof |
| CN107974575A (en) * | 2017-12-09 | 2018-05-01 | 广州宇智科技有限公司 | The high heat conduction zinc lithium alloy of high-damping containing Li-Al-Sn |
-
2019
- 2019-05-08 CN CN201910378473.8A patent/CN110066944A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139673A (en) * | 2006-09-06 | 2008-03-12 | 中国科学院金属研究所 | Zn-Al-Zr-Si high-damping vibration alloy and preparation and heat treatment process |
| CN106399755A (en) * | 2016-12-12 | 2017-02-15 | 福州大学 | Environmental-friendly zinc-aluminum damping alloy and preparation method thereof |
| CN107974575A (en) * | 2017-12-09 | 2018-05-01 | 广州宇智科技有限公司 | The high heat conduction zinc lithium alloy of high-damping containing Li-Al-Sn |
Non-Patent Citations (1)
| Title |
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| 黄俊: "铝锌阻尼合金的组织和阻尼性能研究", 《工程科技I辑》 * |
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Application publication date: 20190730 |
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