CN106271029A - Utilize the method that agitating friction weldering connects metal material and polymer matrix composites - Google Patents
Utilize the method that agitating friction weldering connects metal material and polymer matrix composites Download PDFInfo
- Publication number
- CN106271029A CN106271029A CN201610808910.1A CN201610808910A CN106271029A CN 106271029 A CN106271029 A CN 106271029A CN 201610808910 A CN201610808910 A CN 201610808910A CN 106271029 A CN106271029 A CN 106271029A
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- China
- Prior art keywords
- metal material
- polymer matrix
- matrix composites
- agitating friction
- head
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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
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/127—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding friction stir welding involving a mechanical connection
-
- 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
- B23K20/24—Preliminary treatment
Abstract
The present invention provides a kind of method utilizing agitating friction weldering to connect metal material and polymer matrix composites.Its principle is to provide frictional heat and pressure by agitating friction welder, is directly realized by the connection of metal material and resin composite materials.Specifically, metal material sheet is superimposed on resin, is fixed by fixture；Then set the technological parameter of agitating friction welding, input operation instruction by Digit Control Machine Tool, be automatically performed the overlap welding of the shapes such as point, line, ring；It is sufficiently cooled after having welded, i.e. obtains the connector of metal material/resin material.The advantage of this technology: realize metal and resin material is directly connected to, fast in conjunction with speed, intensity is high, the automatization that can realize point, line, surface and 3D shape connects, and can be widely applied to the actual production process such as automobile, train, aircraft, it is achieved product lightweight and the purpose of energy-conserving and environment-protective.
Description
Technical field
The present invention relates to the method for attachment of metal material and polymer matrix composites, belong to the technology neck of material welding engineering
Territory.
Background technology
At present, China is CO in the world2The country that discharge capacity is maximum, 2014 annual emissions, more than 10,000,000,000 tons, are about U.S.
State, European Union and Japan's sum.How to reduce energy resource consumption, reduce CO2Discharge capacity, is global important topic.At present, China
Transportation account for about the 6% of total release, but be as the fast development of automobile industry, discharge expection will be substantially improved to
20～the level of 30% of developed country's automobile industry discharge capacity.For automobile, promote the technological development of fuel efficiency very
Important, and vehicle lightweight is one of effective way.Its core is exactly while ensureing automotive safety and performance, the most
Utilize light material, such as aluminium alloy, magnesium alloy and polymer composites (CFRP etc.), replace traditional ferrous materials.General
If the parts of logical family-sized car replace with light material, it is contemplated that can be with loss of weight 20～40%.
For realizing lightweight, need reliable combination technology to connect different materials, such as Al alloy and CFRP.Tradition
On, it is one of common method that machinery is concluded, but early stage Drilling operation is wasted time and energy, and easily produces stress concentration at conclusion.
Binding agent can also be used to connect metal and resin material, but quality of connection is the highest.Traditional welding technology temperature is higher, leads
The performance causing heterogenous material joint is the best, and weldment thermal deformation is big, therefore is not suitable for this occasion.
Agitating friction welding (FSW) is solid phase binding technology, connects temperature relatively low (0.7～0.9Tm), can avoid matrix
The deleterious situations such as material at high temperature undergoes phase transition, oxidation, and have that bond strength height, low cost, energy consumption be low, production efficiency
Advantages of higher.This technology is widely adopted in Al alloy connects with material, and current research topic is expanded to Al alloy and xenogenesis
Connection between material, but welding for polymer matrix composites and metal material, also do not have Patents to report.With same material
Connection procedure is different, when being combined with the different material comprising resin material, and the deterioration of low melting point side material, interfacial reaction layer
Growth and interfacial electrochemistry corrosion etc. still require study.
Summary of the invention
Technical problem: the present invention is directed to the application demand of metal material and polymer matrix composites and connect a difficult problem, it is provided that
A kind of method utilizing agitating friction weldering to connect metal material and polymer matrix composites, it is achieved metal material and resin base are combined
Direct, quick, high intensity connection between material.This technology can solve the problems that traditional method exists, such as adhesive strength
Low, the front processing that brings of riveting and stress is concentrated and power consumption and thermal deformation during welding.
Technical scheme: a kind of method utilizing agitating friction weldering to connect metal material and polymer matrix composites of the present invention
For:
1) metal material and polymer matrix composites surface ethanol or acetone are cleaned, then metal material is stacked in
On polymer matrix composites, fixture is utilized the two to be fixed on operation post；
2) the instrument stirring-head controlling high speed rotating inserts the surface of metal material and not contact pressure resin based composites,
Frictional heat and tool shoulder down force pressure that instrument stirring-head produces act on down jointly, it is achieved described metal material and resin base
Being directly connected between composite.
Wherein:
Described metal material is Al alloy or Mg alloy material, and described polymer matrix composites are fibre reinforced tree
Fat material C FRP or galss fiber reinforced resin material GFRP.
Described metal material and the thickness range of polymer matrix composites are 0.5mm～10.0mm.
The described instrument stirring-head range of speeds is 500rpm～4000rpm, speed of welding scope be 10mm/min～
1000mm/min, when instrument advances, inclination angle is-5 °～5 °；Stirring when friction stir spot welding retention time or agitating friction welding
Head inserts and stops preheating time after alloy sheet is 1 second～10 seconds.
Diameter 1.0mm～10.0mm of described instrument stirring-head；A diameter of 10.0mm～30.0mm of tool shoulder.
In described stir friction welding process, it is 150 DEG C～300 that metal material and polymer matrix composites connect temperature
DEG C, connecting pressure is 0.5kN～5kN.
Beneficial effect: the present invention has following advantage compared with conventional art:
One. without adding transition zone or preprocessing, the frictional heat provided by instrument stirring-head and tool shoulder are provided
Pressure, it is achieved being directly connected to of metal material and polymer matrix composites.
Two. stir friction welding process passes through Digit Control Machine Tool programme-control, and automaticity is high, and connection speed is fast, thus
Improve production efficiency；
Three. by changing welding condition, the key factor such as temperature and pressure of connecting portion can be adjusted, improve heat defeated
The utilization rate entered.
Four. combine the design of fixture and the programming of Digit Control Machine Tool, it is possible to achieve metal material and resin base composite wood
Between material, the automatization of point, line, surface and three dimensional structure connects.
Five. 1 technology of table compares with the pluses and minuses of conventional art
| Cost | Energy consumption | Production efficiency | Connector intensity | |
| FSW | ◎ | ◎ | ◎ | ◎ |
| Riveting | △ | ○ | △ | ◎ |
| Bonding | ◎ | ◎ | ○ | △ |
| Melting welding | ◎ | △ | ◎ | △ |
One, note: ◎ is good；Zero is medium；△ is poor.
Accompanying drawing explanation
Fig. 1 is the agitating friction weldering schematic diagram of metal material A and polymer matrix composites B.
Fig. 2 is the metal material A obtained according to embodiment two and polymer matrix composites B connector surface.
Detailed description of the invention
The present invention realizes the connection of metal material and polymer matrix composites by following experimental procedure:
Step one: clean metal material A and polymer matrix composites B surface, metal material A is stacked in resin base and is combined
On material B, fixture is then utilized the two to be fixed on operation post.
Step 2: according to the different systems of required connecting material, selects various sizes of instrument stirring-head and tool shoulder.
The instrument stirring-head C controlling high speed rotating inserts metal material A and not contact pressure resin based composites B, produces at instrument stirring-head C
Raw frictional heat and tool shoulder D downward pressure act on down jointly, it is achieved between metal material A and polymer matrix composites B
It is directly connected to.
Step 3: setting the technological parameter of agitating friction welding, the instrument range of speeds is 500rpm～4000rpm, welding
Velocity interval is 10mm/min～1000mm/min, and when instrument advances, the inclination angle of direction of advance is-5 °～5 °, and stirring-head inserts
Retention time is 1 second～10 seconds；Input operation instruction by Digit Control Machine Tool, be automatically performed the overlap welding of the shapes such as point, line, ring；
It is sufficiently cooled after having welded, i.e. obtains the connector of metal material/resin material.
Below in conjunction with example, the present invention is described in detail:
Embodiment one: combining Fig. 1 explanation, the present embodiment is through the following steps that complete:
Step one: with the metal material A that alcohol washes thickness is 2.0mm and polymer matrix composites B, by metal material A
It is stacked on polymer matrix composites B, then utilizes fixture the two to be fixed on operation post.
Step 2: the instrument stirring-head C controlling high speed rotating inserts metal material A and not contact pressure resin based composites B
Surface, the frictional heat produced at instrument stirring-head C and under tool shoulder D down force pressure acts on jointly, it is achieved metal material A with
Being directly connected between polymer matrix composites B.Wherein stirring-head diameter 2.0mm, a diameter of 20mm of tool shoulder.
Step 3: setting the technological parameter of agitating friction welding, instrument rotating speed is 1000rpm, inclination angle when instrument advances
Being 0 °, the stirring-head insertion retention time is 5 seconds；Input operation instruction by Digit Control Machine Tool, be automatically performed between bi-material
Overlap joint spot welding；It is sufficiently cooled after having welded, i.e. obtains the connector of metal material/resin material.
Embodiment two:
Setting means rotating speed is 2000rpm, and speed of welding is 100mm/min, and when instrument advances, inclination angle is 2 °, stirring-head
The insertion retention time is 5 seconds, and other are identical with embodiment one.Input operation instruction by Digit Control Machine Tool, be automatically performed two kinds
Linear overlap welding between material；It is sufficiently cooled after having welded, i.e. obtains the connection of metal material/resin material
Part.
Embodiment three:
Setting means rotating speed is 4000rpm, and speed of welding is 1000mm/min, and when instrument advances, inclination angle is 2 °, stirring
The head insertion retention time is 2 seconds, and other are identical with embodiment two.Input operation instruction by Digit Control Machine Tool, be automatically performed two
Plant the linear overlap welding between material；It is sufficiently cooled after having welded, i.e. obtains the connection of metal material/resin material
Part.
Embodiment four:
Setting means rotating speed is 2000rpm, and speed of welding is 100mm/min, and when instrument advances, inclination angle is 2 °, stirring-head
The insertion retention time is 5 seconds, and other are identical with embodiment two.Input operation instruction by Digit Control Machine Tool, be automatically performed two kinds
Ring-type overlap welding between material；It is sufficiently cooled after having welded, i.e. obtains the connection of metal material/resin material
Part.
Claims (6)
1. one kind utilizes the method that agitating friction weldering connects metal material and polymer matrix composites, it is characterised in that:
1) metal material (A) and polymer matrix composites (B) surface ethanol or acetone are cleaned, then by metal material (A)
It is stacked on polymer matrix composites (B), utilizes fixture the two to be fixed on operation post；
2) the instrument stirring-head (C) controlling high speed rotating inserts the table of metal material (A) and not contact pressure resin based composites (B)
Face, under the frictional heat produced at instrument stirring-head (C) and tool shoulder (D) down force pressure act on jointly, it is achieved described metal
Being directly connected between material (A) and polymer matrix composites (B).
The method utilizing agitating friction weldering to connect metal material and polymer matrix composites the most according to claim 1, its
The metal material being characterised by described is Al alloy or Mg alloy material, and described polymer matrix composites are fibre reinforced tree
Fat material C FRP or galss fiber reinforced resin material GFRP.
The method utilizing agitating friction weldering to connect metal material and polymer matrix composites the most according to claim 1, its
The thickness range being characterised by described metal material (A) and polymer matrix composites (B) is 0.5mm～10.0mm.
The method utilizing agitating friction weldering to connect metal material and polymer matrix composites the most according to claim 1, its
Instrument stirring-head (C) range of speeds being characterised by described is 500rpm～4000rpm, speed of welding scope be 10mm/min～
1000mm/min, when instrument advances, inclination angle is-5 °～5 °；Stirring when friction stir spot welding retention time or agitating friction welding
Head inserts and stops preheating time after alloy sheet is 1 second～10 seconds.
The method utilizing agitating friction weldering to connect metal material and polymer matrix composites the most according to claim 1, its
It is characterised by diameter 1.0mm～10.0mm of described instrument stirring-head (C)；A diameter of 10.0mm of tool shoulder (D)～
30.0mm。
The method utilizing agitating friction weldering to connect metal material and polymer matrix composites the most according to claim 1, its
Being characterised by described stir friction welding process, it is 150 that metal material (A) and polymer matrix composites (B) connect temperature
DEG C～300 DEG C, connect pressure be 0.5kN～5kN.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610808910.1A CN106271029A (en) | 2016-09-07 | 2016-09-07 | Utilize the method that agitating friction weldering connects metal material and polymer matrix composites |
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| CN201610808910.1A CN106271029A (en) | 2016-09-07 | 2016-09-07 | Utilize the method that agitating friction weldering connects metal material and polymer matrix composites |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910486A (en) * | 2017-10-25 | 2018-04-13 | 肇庆中特能科技投资有限公司 | The electrode plate grid and the application in chemical cell that carbon fiber is formed as the connection method of grid and lug, carbon fiber and lug |
| CN108581174A (en) * | 2017-12-22 | 2018-09-28 | 上海交通大学 | A kind of stirring-head and welding method for the welding of dissimilar material agitating friction |
| CN109604811A (en) * | 2019-01-16 | 2019-04-12 | 扬州大学 | Method for aluminium alloy and nylon dissimilar material Friction Stir Welding |
| CN109807460A (en) * | 2019-03-20 | 2019-05-28 | 上海交通大学 | A method of by detecting, lower pressure controls metal and macromolecule welds |
| CN109834383A (en) * | 2019-03-22 | 2019-06-04 | 上海交通大学 | For titanium alloy/ultra-high molecular weight polyethylene overlap joint friction spot welding method and apparatus |
| CN109967858A (en) * | 2019-03-22 | 2019-07-05 | 哈尔滨工业大学 | A kind of friction stir welding method suitable between metal and polymer |
| CN110065237A (en) * | 2019-04-24 | 2019-07-30 | 龙岩学院 | The hot assistant metal of laser/thermoplastic friction hot pressing connects device and method |
| CN110653479A (en) * | 2019-09-26 | 2020-01-07 | 沈阳航空航天大学 | Friction stir and ultrasonic composite welding method for light alloy and resin-based composite material |
| CN111906430A (en) * | 2019-05-10 | 2020-11-10 | 财团法人金属工业研究发展中心 | Friction stir welding tool and method for joining metal plate and thermoplastic composite plate |
| CN112296505A (en) * | 2020-10-19 | 2021-02-02 | 沈阳航空航天大学 | Alloy-composite material friction stir welding joint and preparation method thereof |
| CN113478067A (en) * | 2021-07-26 | 2021-10-08 | 大连交通大学 | Two-section type dissimilar material friction stir welding method |
| CN113770504A (en) * | 2021-09-16 | 2021-12-10 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
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- 2016-09-07 CN CN201610808910.1A patent/CN106271029A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910486A (en) * | 2017-10-25 | 2018-04-13 | 肇庆中特能科技投资有限公司 | The electrode plate grid and the application in chemical cell that carbon fiber is formed as the connection method of grid and lug, carbon fiber and lug |
| CN108581174A (en) * | 2017-12-22 | 2018-09-28 | 上海交通大学 | A kind of stirring-head and welding method for the welding of dissimilar material agitating friction |
| CN108581174B (en) * | 2017-12-22 | 2020-09-08 | 上海交通大学 | Welding method for friction stir welding of dissimilar materials |
| CN109604811A (en) * | 2019-01-16 | 2019-04-12 | 扬州大学 | Method for aluminium alloy and nylon dissimilar material Friction Stir Welding |
| CN109807460B (en) * | 2019-03-20 | 2020-08-25 | 上海交通大学 | Method for controlling metal and polymer welding by detecting down pressure |
| CN109807460A (en) * | 2019-03-20 | 2019-05-28 | 上海交通大学 | A method of by detecting, lower pressure controls metal and macromolecule welds |
| CN109834383A (en) * | 2019-03-22 | 2019-06-04 | 上海交通大学 | For titanium alloy/ultra-high molecular weight polyethylene overlap joint friction spot welding method and apparatus |
| CN109967858A (en) * | 2019-03-22 | 2019-07-05 | 哈尔滨工业大学 | A kind of friction stir welding method suitable between metal and polymer |
| CN109834383B (en) * | 2019-03-22 | 2020-11-10 | 上海交通大学 | Method and device for lap friction spot welding of titanium alloy/ultrahigh molecular weight polyethylene |
| CN109967858B (en) * | 2019-03-22 | 2021-03-12 | 哈尔滨工业大学 | Friction stir welding method suitable for metal and polymer |
| CN110065237A (en) * | 2019-04-24 | 2019-07-30 | 龙岩学院 | The hot assistant metal of laser/thermoplastic friction hot pressing connects device and method |
| CN111906430A (en) * | 2019-05-10 | 2020-11-10 | 财团法人金属工业研究发展中心 | Friction stir welding tool and method for joining metal plate and thermoplastic composite plate |
| CN110653479A (en) * | 2019-09-26 | 2020-01-07 | 沈阳航空航天大学 | Friction stir and ultrasonic composite welding method for light alloy and resin-based composite material |
| CN112296505A (en) * | 2020-10-19 | 2021-02-02 | 沈阳航空航天大学 | Alloy-composite material friction stir welding joint and preparation method thereof |
| CN113478067A (en) * | 2021-07-26 | 2021-10-08 | 大连交通大学 | Two-section type dissimilar material friction stir welding method |
| CN113770504A (en) * | 2021-09-16 | 2021-12-10 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
| CN113770504B (en) * | 2021-09-16 | 2022-10-14 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
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Application publication date: 20170104 |