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WO2019243390A1 - Procédé de fabrication d'une brame composite multicouche, procédé de fabrication d'un matériau composite ainsi qu'ensemble de soudage - Google Patents

Procédé de fabrication d'une brame composite multicouche, procédé de fabrication d'un matériau composite ainsi qu'ensemble de soudage Download PDF

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Publication number
WO2019243390A1
WO2019243390A1 PCT/EP2019/066128 EP2019066128W WO2019243390A1 WO 2019243390 A1 WO2019243390 A1 WO 2019243390A1 EP 2019066128 W EP2019066128 W EP 2019066128W WO 2019243390 A1 WO2019243390 A1 WO 2019243390A1
Authority
WO
WIPO (PCT)
Prior art keywords
welding
bead
heat introduction
introduction device
welding device
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.)
Ceased
Application number
PCT/EP2019/066128
Other languages
German (de)
English (en)
Inventor
Stefan Myslowicki
Peter Ohse
Maik Wittstock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Steel Europe AG, ThyssenKrupp AG filed Critical ThyssenKrupp Steel Europe AG
Publication of WO2019243390A1 publication Critical patent/WO2019243390A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/0206—Seam welding; Backing means; Inserts of horizontal seams in assembling vertical plates, a welding unit being adapted to travel along the upper horizontal edge of the plates
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/0216—Seam profiling, e.g. weaving, multilayer
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B23K9/1735—Arc welding or cutting making use of shielding gas and of a consumable electrode making use of several electrodes

Definitions

  • the present invention relates to a method for producing a multilayer composite slab from at least two pre-components, the method comprising the following steps:
  • the pre-components are provided,
  • a weld seam is formed between the pre-components using a welding arrangement. Furthermore, the present invention relates to a method for producing a composite material and a welding arrangement for producing a weld seam between precomponents.
  • the property profiles of materials often represent a compromise between various requirements resulting from the manufacture and use of components.
  • components that are subject to wear and tear require high hardness or strength with regard to a maximum service life , while this must often be limited from a manufacturing perspective in the production of such components, so that the service life is also limited.
  • opposing properties such as strength and formability (ductility)
  • Achieving an increase in opposing properties in a construction material is almost impossible with a monolithic material. For this reason, multilayer steel composite materials are often used in this context.
  • Such material composites are produced in particular by hot roll cladding, from multi-layer starting blocks, also referred to as composite slabs, which are rolled into hot strip of the material composite.
  • the production of such composite slabs represents an additional manufacturing step that must be compared on the cost side with the achievable additional technical benefits. In order to be able to produce an economically advantageous product, it is therefore advantageous to optimize all partial production steps with regard to their economic viability.
  • One possibility for producing a composite slab is described, for example, in DE 10 2005 006 606 B3, in which at least two essentially cuboid plates, with their surface-treated surfaces, are placed one on top of the other and welded together to form a composite slab. The composite slab is then heated to a hot rolling starting temperature and hot-rolled to form a coil-capable hot-rolled strip.
  • the welding is typically different from the PA layer.
  • the lack of geometric fixation of the weld pool and the auxiliary means severely limits the applicability of processes with a high melting rate, such as submerged arc welding (submerged arc welding).
  • Metal shielding gas welding (MSG welding) can also result in binding errors if the weld pool is too large and deep penetration notches if the arc is too powerful.
  • MSG welding Metal shielding gas welding
  • the heat input is too high, there is a risk of the melt pool overheating, which can manifest itself, for example, in the formation of pores.
  • the object is achieved by a method for producing a multilayer composite slab from at least two pre-components, the method comprising the following steps:
  • the pre-components are provided,
  • a weld seam is formed between the pre-components with the aid of a welding arrangement, characterized in that the welding arrangement has a welding device and a heat introduction device comprising, with the aid of the welding device, a welding bead of the weld seam being formed, the welding device and the heat introduction device executing a relative movement in a welding direction relative to the preliminary components, the welding device and the heat introduction device being arranged at a distance from one another in the welding direction , the distance between the welding device and the heat introduction device being selected such that the welding bead is heated with the aid of the heat introduction device after the welding bead has solidified, at least one of the precomponents being slab-shaped.
  • the invention further relates to a method for producing a multilayer composite slab from at least two pre-components, the method comprising the following steps:
  • the pre-components are provided,
  • a weld seam is formed between the pre-components with the aid of a welding arrangement, characterized in that the welding arrangement comprises a welding device and a heat input device, a welding bead of the weld seam being formed using the welding device, wherein in the second step, the welding device and the heat introduction device execute a relative movement relative to the precomponents in a welding direction, the welding device and the heat introduction device being arranged at a distance from one another in the welding direction, the distance between the welding device and the heat introduction device being selected such that the The welding bead is heated using the heat introduction device after the welding bead has solidified.
  • the welding bead is locally heated in an area with the aid of the heat introduction device after the welding bead has already solidified in this area. It is conceivable that a continuous welding process is provided. Another advantage results from the fact that the welding device and the heating device are arranged at a distance. This creates a spatial separation of the two points at which heat is introduced into the material. In this respect, the point of heat input by the welding device and the point of heat input by the heat input device are separated, as a result of which the degree of cooling in the seam area can be set.
  • the relative movement which the welding device and the heat introduction device execute in the second step relative to the precomponents in the welding direction can be achieved, for example, by moving the precomponents past a stationary welding arrangement, and also by the welding device and the heat introduction device acting on immovably arranged precomponents or the weld seam to be produced are moved along.
  • a combination of both, that is to say from a movement of both the welding arrangement and the preliminary components, is also conceivable.
  • the precomponents it is preferably possible for the precomponents to be welded in full.
  • the multilayer composite slab is manufactured from more than two pre-components, for example from three or more components.
  • the preliminary components are steel preliminary components, the multilayer composite slab being a steel starting block.
  • the basic aim is to create a permanent connection between two parts / components that can withstand the demands placed on them, for example the mechanical resilience.
  • the procedure and the welding process chosen depend on the geometry of the connection, the chemical composition and the structure of the base materials, accessibility and economy.
  • the intention here is to produce the welded joint with the greatest possible economy and process reliability.
  • the highest possible melting rate is beneficial to economy. This results in a high seam volume in a short time Time.
  • Known high-performance welding processes such as submerged arc welding (submerged arc welding) or MSG multi-wire welding, however, have various disadvantages that make their use cumbersome, expensive or even impossible in many situations.
  • the advantages according to the invention result in particular over the use of known submerged arc welding processes.
  • the applicability of submerged arc welding is generally very limited, particularly in constrained situations such as PC, since the powder required for the process must be kept at the location of the process with complex technical aids and not, as is the case with the process that is usually used for this process - layer PA, can be easily filled up.
  • a high melt pool volume is also typical for the UP process.
  • this can often not be achieved or can only be achieved to a limited extent, for example in constrained positions such as a PC, since the support effect provided by the workpiece is significantly less than in the PA position and the weld pool can therefore “run away” from the seam.
  • the customary introduction of diffusible hydrogen particularly with materials with a high carbon equivalent CET and large sheet thicknesses, can have a negative impact on cold crack resistance.
  • MSG multi-wire welding processes such as, for example, tandem or double-wire welding.
  • MSG multi-wire welding processes several welding wires melt in a common and thus large weld pool.
  • MSG multi-wire welding is usually used to achieve high welding speeds.
  • MSG multi-wire welding is therefore suitable for increasing the deposition rate per unit of time, but the maximum weld cross-section that can be achieved in one position does not differ significantly from known MSG single-wire welding processes.
  • the heat input corresponds to the melting rate.
  • due to the high welding speed despite the high melting rate, there is no clear difference between single-wire and multi-wire technology.
  • the second step in particular the formation of the weld seam, is carried out in a constrained position, preferably in PC, ie horizontal welding on a vertical wall. hereby it is in particular possible to take into account the dimensions of the pre-components or the composite slab to be created. There are particularly advantageous application possibilities for producing composite slabs, which would not be achievable, for example, with known UP welding processes or MSG multi-wire welding processes with only one weld pool.
  • T 0 700 CET + 160 tanh (d / 35) + 62 (HD) A (0.35) + (53 CET - 32) Q - 330.
  • sheets with a thickness> 90 mm are usually used as at least one of the precomponents, which in principle requires a higher preheating temperature than that described in SEW088 for the sheet thickness of 90 mm. changed.
  • minimizing HD and maximizing Q can help to reduce the minimum preheating temperature and thus improve efficiency and process reliability.
  • HD can be reduced by the choice of the process and compliance with certain boundary conditions, such as keeping the joining partners dry.
  • MSG welding is particularly preferable to submerged arc welding.
  • Q can be increased by increasing the electrical power and reducing the welding speed.
  • the distance between the welding device and the heat introduction device is selected in such a way that the welding bead is heated with the aid of the heat introduction device before the welding bead has cooled to or below 800 ° C., in particular the heat introduction for the welding bead is increased by the heat introduction device in such a way that a t 8/5 time of the welding bead is increased, in particular in comparison to an embodiment of the welding bead without heating using the heat introduction device.
  • the hardness of the structure can advantageously be reduced and a cost-efficient process can nevertheless be provided.
  • the heat introduction device is arranged directly behind the welding device, in particular in such a way that the heat introduction device heats the welding bead immediately after its (local) solidification (in particular (clearly) above 800 ° C.) , Accordingly, it is possible that the cooling time t 8/5 is increased and a comparatively small weld pool is nevertheless present.
  • the distance between the welding device and the heat introduction device is selected in such a way that the welding bead passes through the temperature twice between 800 ° C. and 500 ° C. when the welding bead cools down.
  • This makes it possible to extend the cooling time of the welding bead, which, compared to the use of only one welding device without an additional heat introduction device, brings about a reduction in the hardness in the area of the welding bead.
  • the heating of the welding bead With the aid of the heat introduction device, this preferably takes place after the welding bead has cooled to a temperature above 500 ° C., for example to a temperature between 500 ° C. and 600 ° C.
  • the distance between the welding device and the heat introduction device is selected such that the welding bead is heated with the aid of the heat introduction device after the welding bead has cooled to a temperature below 500 ° C., wherein the welding bead is preferably heated to a temperature at or above a tempering temperature with the aid of the heat introduction device.
  • the welding bead is heated to a temperature at or above a tempering temperature using the heat introduction device.
  • the cooling time t 8/5 of the welding bead can be measured in accordance with SEW088.
  • individual parameters in particular the optimal distance between the welding device and the heat introduction device, can be determined particularly advantageously in such a way that the desired temperature profile of the welding bead is obtained.
  • such a temperature measurement can be made possible by means of the thermocouple piercing method in the area of the root, that is to say the welding bead, through an introduced bore.
  • the thermal effect of both the welding device and the heat introduction device can be detected.
  • such a parameter determination can be carried out by carrying out a temperature measurement on the surface of the welding bead. In this case, however, only the cooling of the welding bead after passing the welding device would be recorded. However, the desired point in time of passing the heat introduction device can then be based on this measurement. If, for example, the desired temperature of the welding bead is 600 ° C when the heat introduction device acts on it, the procedure can be as follows. The cooling time of the welding bead to the desired temperature is determined (especially by measuring the temperature on the surface of the welding bead). The distance between the welding device and the heat introduction device (or its respective heat introduction center) is then taken into account, taking into account the welding speed, using the relationship:
  • the following parameters / boundary conditions are possible, for example:
  • At least one, in particular all, of the precomponents is slab-shaped.
  • the heat introduction device comprises a further welding device, wherein a further welding bead of the weld seam is formed with the aid of the further welding device, the further welding device being in particular a metal shielding gas welding device, MSG welding device ,
  • MSG welding device metal shielding gas welding device
  • the further welding device forms, in particular, a further welding layer on a welding layer, in particular a welding bead, which is formed with the aid of the welding device.
  • the thermal energy supplied by the further welding device can thus heat the welding bead at the same time when the further welding bead is formed.
  • the distance between the welding device and the further welding device is advantageously selected such that the welding bead is heated with the aid of the further welding device after the welding bead has solidified in this area.
  • one weld pool of the weld bead is separate from another weld pool of the others Welding bead is formed. This makes it possible for the welding device and the further welding device not to form a common and therefore large weld pool. Accordingly, the risk of formation of binding errors and pores can be reduced.
  • the heat introduction device heats the welding bead by burning gases, using electric arcs, using induction and / or using particle or optical radiation.
  • the welding device comprises a metal shielding gas welding device, MSG welding device.
  • MSG welding device MSG welding device.
  • one or more austenitic and / or one or more ferritic filler materials are used to form the weld bead and / or to form the further weld bead. It is conceivable to carry out the formation of the welding bead and / or the formation of the further welding bead using a combination of filler materials, the use of austenitic filler materials being particularly recommended in order to avoid cold cracks in the area of the weld bead, in particular the root position.
  • Another object of the present invention is a method for producing a composite material, in particular a composite steel material, on the basis of a composite slab produced according to an embodiment of the present invention, the composite slab being rolled into hot strip of the composite material in a third step, after the second step ,
  • Another object of the present invention is a welding arrangement for producing a weld between pre-components, characterized in that the welding arrangement comprises a welding device and a heat introduction device, the welding device and the heat introduction device for executing a relative movement relative to the pre-components in a welding direction are carried out, the welding device and the heat introduction device being arranged at a distance from one another in the welding direction, the welding device being configured to form a welding bead, the distance between the welding device and the heat insertion device is selected such that the welding bead can be heated using the heat insertion device after the welding bead has solidified, at least one of the precomponents being slab-shaped
  • the present invention furthermore relates to a welding arrangement for producing a weld seam between precomponents, the welding arrangement comprising a welding device and a heat introduction device, the welding device and the heat introduction device being designed to carry out a relative movement relative to the precomponents in a welding direction, the welding device and the heat introduction device being arranged at a distance from one another in the welding direction, the welding device being configured to form a weld, the distance between the welding device and the heat introduction device being selected such that the weld can be heated using the heat introduction device, after the sweat has set.
  • FIG. 1 shows a schematic representation of a welding arrangement for producing a weld seam between precomponents or a method for producing a multilayer composite slab according to an embodiment of the present invention.
  • FIG. 2 shows a first temperature profile of a welding bead according to a first exemplary embodiment of a method according to the invention in comparison to a second temperature profile according to the prior art.
  • Figure 3 shows a third temperature profile of a welding bead according to a second embodiment of a method according to the invention.
  • FIG. 4 shows a fourth temperature profile of a welding bead according to a third exemplary embodiment of a method according to the invention.
  • FIG. 5 shows a temperature measurement according to an exemplary embodiment of the present invention, in particular for determining the desired distance between the welding device and the further welding device.
  • FIG. 1 shows a schematic representation of a welding arrangement 10 for producing a weld seam 20 between preliminary components 2, 3 or a method for producing a multilayer composite slab 1 during a second step in accordance with an embodiment of the present invention.
  • the two precomponents 2, 3 were previously arranged one above the other and adjacent to one another in a first step.
  • the welding arrangement 10 comprises a welding device 11 and a heat introduction device 12 which has a further welding device 14. Both the welding device 11 and the further welding device 14 are designed as MSG welding devices.
  • the welding device 11 and the further welding device 14 move in a second step relative to the pre-components 2, 3 in a welding direction 100 (represented by the arrow 100).
  • the two welding devices 11, 14 are arranged at a distance 13 from one another in the welding direction 100, the welding device 11 being arranged in the welding direction 100 in front of the further welding device 14.
  • the welding device 1 1 generates a welding bead 21 in the form of a root position
  • the further welding device 14 forms a further weld bead 22. Due to the distance 13, the weld pool 23 of the weld bead 21 is already locally solidified below or next to the further welding device 14, so that the further
  • Welding device 14 forms its own further weld pool 24.
  • the welding device 11 and the further welding device 14 thus do not produce a common melting bath, but separate melting baths 23, 24.
  • the further welding device 14 re-heats and extends the area of the melt bead 21 which has already solidified there and under it thus the cooling time of the melt bead 21.
  • the formation of the weld seam 10 takes place in particular in a forced position, particularly preferably in a PC.
  • FIG. 2 shows a first temperature profile 41 of a welding bead 21 according to a first exemplary embodiment of a method according to the invention in comparison to a second temperature profile 42 according to the prior art for a fixed local point of a welding bead 21.
  • a temperature axis "T” is shown in “Celsius (° C) and a time axis" t "in seconds (s).
  • the second temperature profile 42 known from the prior art corresponds to the temperature profile of a welding bead which was generated with a single torch using an MSG welding method.
  • the first temperature profile 41 describes the temperature profile of a welding bead 21 according to a first exemplary embodiment of the present invention, a welding device 11 (in particular a torch) and additionally one from the welding device 11 at a distance 13 (in the welding direction 100) offset heat transfer device 12 is used.
  • the heat introduction device 12 comprises a further welding device 14, which is arranged at a distance 13 from the welding device 11.
  • Both the welding device 11 and the further welding device 14 are designed as MSG welding devices.
  • the welding device 11 produces the welding bead 21 or welding layer.
  • the further welding device 14 applies a further welding bead 22 or a further welding layer.
  • the first temperature profile 41 is shown for a case in which the further welding device 14 is arranged behind the welding device 11 in such a way that the welding bead 21 immediately after solidification (and before the welding bead 21 cools below 800 ° C.) is) is heated by the further welding device 14.
  • FIG. 3 shows a third temperature profile 43 of a welding bead 21 according to a second exemplary embodiment of a method according to the invention.
  • the second temperature curve 42 known from the prior art is shown as a dashed line.
  • a welding device 11 in particular a torch
  • a further welding device 14 of a heat introduction device 12 arranged at a distance 13 from the welding device 11 (offset in the welding direction 100) are used. Both the welding device 11 and the further welding device 14 are designed as MSG welding devices.
  • the welding device 11 produces the welding bead 21.
  • the further welding device 14 applies a further welding bead 22 or a further welding layer and locally heats the welding bead 21.
  • the further welding device 14 is arranged in the welding direction 100 behind the welding device 11 (or the distance 13 is selected such that the welding bead 21 has cooled to a temperature between 500 ° C. and 800 ° C. before the welding bead 21 is heated with the aid of the further welding device 14.
  • the welding bead 21 is then heated to a temperature at or below 800 ° C. (and above 500 ° C.) by the further welding device 14. In this way, a section of the temperature range between 800 ° C. and 500 ° C.
  • the welding bead 21 is run through twice when the welding bead 21 cools, as can be seen from the third temperature profile 43.
  • the welding bead 21 therefore only cooled to 500 ° C. at time t5.
  • the time required to run through the temperature range 800 ° C. to 500 ° C. can thus be calculated by the fifth point in time t5 and the first point in time t1 by t5-11.
  • the time required for the temperature range 800 ° C. to 500 ° C. to pass through for the second temperature profile 42 known from the prior art is given by t3-11 and is therefore less than in the second exemplary embodiment.
  • FIG. 4 shows a fourth temperature profile 44 of a welding bead 21 according to a third exemplary embodiment of a method according to the invention.
  • a temperature axis "T” in “Celsius (° C)” and a time axis "t” in seconds are shown.
  • a welding device 11 and, in addition, a further welding device 14 of a heat introduction device 12 arranged at a distance 13 from the welding device 11 (offset in the welding direction 100) are used. Both the welding device 11 and the further welding device 14 are designed as MSG welding devices.
  • the welding device 11 generates the welding bead 21.
  • the further welding device 14 applies a further welding bead 22 or a further welding layer and thereby locally heats the welding bead 21.
  • the further welding device 14 in the welding direction 100 is behind the Welding device 11 is arranged (or the distance 13 is selected in such a way) that the welding bead 21 is heated with the aid of the heat introduction device 12 after the welding bead 21 has locally cooled to a temperature below 500 ° C. (and for example below the tempering temperature 50) is.
  • the weld bead first cools to a temperature of 800 ° C. in a first point in time t1, to a temperature of 500 ° C. in a third point in time t3 and then cools down below 500 ° C. before (again) ) is heated.
  • the heating then takes place to a temperature above the tempering temperature 50.
  • a reduction in hardness in the area of the weld bead 21 can thus be achieved before it has cooled to a temperature which is necessary or responsible for the formation of cold cracks.
  • the weld bead then cools down further.
  • the generation of the welding bead 21 and the further welding bead 22 is preferably carried out in a forced position, in particular in a PC, that is to say deviating from the tub position PA.
  • the distance 13 between the welding device 11 and the further welding device 14 is selected in each case in the illustrated exemplary embodiments of the present invention in such a way that the welding bead 21 is (re) heated with the aid of the further welding device 14 (and thus with the aid of the heat introduction device 12) the welding bead 21 has solidified. It is thus possible for the welding device 11 to form the welding bead 21 when it is being produced
  • Melt pool 23 is formed separately from the further weld pool 24 of the further weld bead 22.
  • austenitic and ferritic filler materials are used. It is also possible to carry out the process using a combination of filler materials, the use of austenitic filler materials being particularly recommended in order to avoid cold cracks in the area of the weld bead 21 (or root position).
  • FIG. 5 shows a temperature measurement according to an exemplary embodiment of the present invention, in particular for determining the desired distance 13 between the welding device 11 and the further welding device 14.
  • a temperature measuring device 31 is introduced into the area of the welding bead 21 with the aid of a bore 31 ′ formed in the further pre-component 3.
  • a further temperature measuring device 32 is also a further temperature measuring device 32 in the region of the further welding bead 22.
  • the temperature profile of the welding bead 21 can be determined in one or more test measurements. Taking into account the welding speed, the distance 13 between the welding device 11 and the further welding device 14 can then be selected such that the further welding device 14 passes the welding bead 21 after or during the cooling of the welding bead 21 to the desired temperature and thus re-heats the welding bead 21 , According to this embodiment, the thermal effect of both devices (ie the welding device 11 and the further welding device 14) can be recorded.
  • Such (trial) measurements can thus be used to arrange a welding device 11 and a heat introduction device 12 in the welding direction 100 at a distance 13 from one another, the distance 13 between the welding device 11 and the heat introduction device 12 being selected such that the welding bead 21 is heated with the aid of the heat introduction device 12 after the weld bead 21 has solidified (and in particular has cooled to a desired temperature).

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  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
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  • Arc Welding In General (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'une brame composite multicouche à partir d'au moins deux constituants de départ, le procédé comprenant les étapes suivantes consistant à: - fournir les constituants de départ au cours d'une première étape ; après la première étape, former un cordon de soudure entre les constituants de départ à l'aide d'un ensemble de soudage, le procédé étant caractérisé en ce que l'ensemble de soudage comprend un dispositif de soudage et un dispositif d'apport de chaleur, une chenille de soudure du cordon de soudure étant formée à l'aide du dispositif de soudage, le dispositif de soudage et le dispositif d'apport de chaleur mettant en œuvre, au cours de la seconde étape, un mouvement relatif dans une direction de soudage par rapport aux constituants préalables, le dispositif de soudage et le dispositif d'apport de chaleur étant agencés à une certaine distance l'un de l'autre dans la direction de soudage, la distance entre le dispositif de soudage et le dispositif d'apport de chaleur étant choisie de sorte que la chenille de soudure soit chauffée à l'aide du dispositif d'apport de chaleur, après solidification de la chenille de soudure, au moins l'un des constituants de départ (2, 3) étant en forme de brame.
PCT/EP2019/066128 2018-06-20 2019-06-19 Procédé de fabrication d'une brame composite multicouche, procédé de fabrication d'un matériau composite ainsi qu'ensemble de soudage Ceased WO2019243390A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018210018.7A DE102018210018A1 (de) 2018-06-20 2018-06-20 Verfahren zur Herstellung einer mehrlagigen Verbundbramme, Verfahren zur Herstellung eines Werkstoffverbunds sowie Schweißanordnung
DE102018210018.7 2018-06-20

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WO2019243390A1 true WO2019243390A1 (fr) 2019-12-26

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