EP1748865B1 - Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung - Google Patents

Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung Download PDF

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Publication number
EP1748865B1
EP1748865B1 EP05743375A EP05743375A EP1748865B1 EP 1748865 B1 EP1748865 B1 EP 1748865B1 EP 05743375 A EP05743375 A EP 05743375A EP 05743375 A EP05743375 A EP 05743375A EP 1748865 B1 EP1748865 B1 EP 1748865B1
Authority
EP
European Patent Office
Prior art keywords
filler
metal
cored wire
graphite
powder
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.)
Expired - Lifetime
Application number
EP05743375A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1748865A1 (de
Inventor
Gerhard Posch
Johann Ziegerhofer
Susanne Baumgartner
Wilhelm Klagges
Herbert Felberbauer
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.)
Voestalpine Boehler Welding Austria GmbH
Original Assignee
Voestalpine Boehler Welding Austria GmbH
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 Voestalpine Boehler Welding Austria GmbH filed Critical Voestalpine Boehler Welding Austria GmbH
Priority to PL05743375T priority Critical patent/PL1748865T3/pl
Priority to AT05743375T priority patent/ATE435716T1/de
Publication of EP1748865A1 publication Critical patent/EP1748865A1/de
Application granted granted Critical
Publication of EP1748865B1 publication Critical patent/EP1748865B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12222—Shaped configuration for melting [e.g., package, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2951—Metal with weld modifying or stabilizing coating [e.g., flux, slag, producer, etc.]

Definitions

  • the invention relates to an additional material for a thermal production of a joint connection or a metal support metallically connected to the base material of or on objects made of light metal and / or zinc alloys with a thermal conductivity of higher 110 W / mK,
  • the invention comprises a method for producing a filler material for bonding or application of, or on objects made of light metal and / or zinc or an alloy of these metals having a thermal conductivity of higher 110 W / mK with means for providing on site and / or Storage of the same.
  • the invention relates to the use of filler material, formed as a filler wire for a thermal production of a joint connection.
  • a joining is according to DIN 8593 a permanent bringing together of workpieces, the invention has a joining by welding or by soldering to the content.
  • Fitting by welding in accordance with DIN 1910 of the subject invention relates to fusion welding with filler metal and brazing according to DIN 8505 relates to a hard joint brazing.
  • the materials or their properties are of great importance. In other words, not all materials or metals have sufficiently good welding or soldering properties.
  • the quality of a welded joint can be highly adversely affected by a high thermal conductivity and / or a high oxygen activity of the material and / or a surface tension of the liquid metal and / or the vapor pressure of a phase or the like.
  • Flux cored electrodes with a cladding of aluminum and a core of metal compound or alloy powder disclosed EP 1 197 288 The core material may contain some of the elements Si, Cu, Mg, Mn, Ba, Ti, Fe, Cr, Al, where Ba and / or manganese nitride should eliminate or reduce pore formation by hydrogen in the weld seam.
  • the invention seeks to eliminate the deficiencies in the prior art in a thermal production of a joint or connected to the base material material support of or on objects made of light metal and / or Zinkleglerept with a thermal conductivity of higher 110 W / mK and sets itself the goal to provide a filler which has improved suitability for welding and brazing of the above materials.
  • the invention aims to indicate a particular use of a new, improved filler material.
  • the object of the invention is achieved in that the filler material as a rewindable cored wire, constructed of a sheath made of aluminum and / or magnesium and / or zinc or a deformable alloy of these metals with a thermal conductivity of higher 110 W / mK and a core of compacted Is formed, wherein the core material of a metal powder and / or a powder of at least one metal compound and / or a non-metal compound and / or a gas at elevated temperature emitting agent and / or at least one slag-forming component, and in that the outer surface of the filler wire a Layer which is formed from polymers, preferably organic polymers, in particular polytetrafluoroethylene (PTFE) and graphite.
  • PTFE polytetrafluoroethylene
  • the advantages achieved by the invention are essentially in the structure of the filler material and in the vote of the same with the base material or with the material properties.
  • the outer surface of the filler wire has a layer which consists of polymers, preferably organic polymers,
  • PTFE polytetrafluoroethylene
  • graphite is formed, whereby a protective gas cover of the liquid metal improves and a current transfer are substantially improved in the cored wire.
  • the favorable effect of a graphite additive can be optimized if the volumetric proportion of graphite in the layer is 15% to 45%.
  • a distribution of energy or heat input is essentially dependent on the continuous metallic sheathing of the cored wire and can thus be adjusted.
  • the filler wire has a filling level with core material of 5% to 52% in parts by weight, this can be advantageous, in particular, for use in joining light metals.
  • a filler wire according to the invention especially if the core material comprises polymers, preferably organic polymers, in particular polytetrafluoroethylene (PTFE), substantially reduces the porosity of the weld metal and / or reduces the pore size.
  • PTFE polytetrafluoroethylene
  • the cored material of the cored wire comprises alkali metal compounds, for example, sodium and / or potassium compounds, especially fluorides and / or chlorides of alkali metals, a flux or capping agent, such as slag, which acts favorably on a metal compound can be created even if the individual compounds are not pre-melted.
  • alkali metal compounds for example, sodium and / or potassium compounds, especially fluorides and / or chlorides of alkali metals
  • a flux or capping agent such as slag
  • the quality of a joining connection between aluminum and aluminum alloys can be optimized if the cored wire used for this purpose has a core material with a content of 8% by weight to 24% by weight, formed from metal powder and fluoride (e), and the jacket has a surface layer of polymer (s) and graphite.
  • the flux-cored wire has proved to be particularly suitable as a welding additive for the production of a fusion weld for the abovementioned materials, because protection and / or reaction gases can advantageously be formed by the core material in the arc, and a desired alloy composition of the weld metal is melt-metallurgically formed by adding metal powder can be.
  • this agent has the advantage of a central introduction of Löt Anlagensubstanzen directly into the parting line and can thereby significantly promote the formation of a material connection of the parts.
  • the shell material of the filler wire has a lower target temperature than the (the) base material (s).
  • the further object of the invention in a method of the type mentioned is achieved when a metal strip of aluminum and / or magnesium and / or zinc or a ductile alloy each of these metals in a conventional manner bent in the longitudinal direction to a groove, charged with filler, formed into a tube and this to a diameter of more than 0.5 mm, however less than 3.5 mm, after which, after bending the filler-loaded channel to a tube, this tube is externally coated with a mixture of polymers, preferably organic polymers, in particular polytetrafluoroethylene (PTFE) and graphite, and subsequently to a smaller one Diameter of less than 2mm is further deformed, the cored wire produced in such a way wound on a bobbin and the wound coil (s) provided with a moisture protection stored and / or provided on site (will).
  • PTFE polytetrafluoroethylene
  • the cored wire is produced from a sheath material with a non-ferrous base alloy with low strength, achieving a desired core density and a ready-to-feed form for supply to the welding or soldering device as far as the heat energy input region be created and during a possibly long-term storage substantially no changes in the often hygroscopic flux-cored wire components, which influence the use parameters or the quality of the joint connection done.
  • the filled pipe is brought to a diameter of less than 2.0 mm.
  • the filler or components thereof at least partially pretreated prior to introduction into the metal channel and / or homogeneously mixed as a powder (be ).
  • polymers preferably organic polymers, in particular polytetrafluoroethylene (PTFE)
  • PTFE polytetrafluoroethylene
  • the filler is incorporated as component (s) powder of metal and / or metal compounds and / or non-metal compounds.
  • the filler wire is produced under conditions with respect to the air atmosphere reduced oxygen and / or reduced moisture content.
  • the cored wire with a mass of 2 to 10 kg wound on a bobbin and one or more coil (s) in films or in containers airtight, optionally at reduced pressure can be packed even with a longer Storage and larger stocking the quality of the filler material for a joint connection and the high quality of the cohesive connection itself remain.
  • this tube is externally coated with a mixture of polymers, preferably organic polymers, in particular polytetrafluoroethylene (PTFE) and graphite, and subsequently further deformed to a smaller diameter of less than 2 mm ,
  • polymers preferably organic polymers, in particular polytetrafluoroethylene (PTFE) and graphite
  • a targeted and simple in the production process afutur the layer can take place when the outer coating of the tube by means of the same carried out by a mixture of polymer (s) and graphite.
  • the layer prior to winding the filler wire onto a bobbin, the layer is stack-wise surface-buffed, a desired layer thickness for welding or brazing can be created over the entire generation length of the wire with high accuracy.
  • filler material as a cored wire, with a formed from polymer (s) and graphite surface layer, composed of a sheath of aluminum and / or magnesium and / or zinc or deformable alloy of these metals having a thermal conductivity of higher than 110 W / mK and a core of compacted powder
  • the core material consisting of a metal powder and / or a powder of at least one metal compound and / or a non-metal compound and / or a gas at elevated temperature and / or at least one slag forming component consists, for a thermal production of a joint or a metallically associated with the base metal material support of or on objects made of light metal and / or zinc alloys with a sauceleitsolideit higher 110 W / mK met.
  • filler material as filler wire, with a surface layer formed of polymer (s) and graphite, composed of a sheathing of aluminum and / or magnesium and / or zinc or deformable alloy of these metals with one nickelleltgro of higher 110 W / mK and a core of compacted powder of at least one metal compound and / or a non-metal compound and / or a gas at elevated temperature emitting agent and / or at least one slag-forming component, for a thermal production of a joint of Parts of ceramic materials or parts of ceramic materials with metallic objects, in particular steel.
  • Fig. 1 is a Sch thoroughlygutauflage 1, made with a currently commercially available electrode on a base material 2, can be seen.
  • An application smelting was carried out with a low electric current strength, whereby at a low level of shaving depth 11 in the base material 2 clear binding errors 21, 21 'are given between this and the material 1 for welding.
  • Fig. 2 shows a Sch whogutholzlage 1 produced with an increased current strength, but otherwise similar. At a significantly increased melting or melting 11 of the weld 1 in the base material 2 by an increased energy input still binding error 21,21 'are given at the edges of the weld metal.
  • Bindefehier 21.21 Result between material to be welded 1 and base material. Due to an increased heat input, the Einschmeiztiefe are formed enlarged and increases the number and size of the pores 3. This is according to a professional opinion on a Outgassing of the liquid metal during solidification of the weld 1 due.
  • Out Fig. 4 is a welding layer 1, manufactured with inventive filler wire, see. Despite low electrical energy supply no binding errors are given in the outer binding area.
  • Fig. 5 shows an enlarged Einschmelziefe 11 of the welding pad 1 at error-free bond between this and the base material 2 achieved.
  • Out Fig. 6 is a very high bondtationiertransport melting depth 11 of the weld 1 in the base material 2 refer.
  • a welding layer 1 with pores 3 is shown.
  • the pores were formed during the solidification of the liquid welding filler due to the solubility jump for gases therein.
  • Fig. 8 can be removed, can be created with a core material according to the invention, which PTFE, or with a similar outside application, a cored wire, which results in a significant reduction in the proportion of pores 3 in the weld metal.
  • Fig. 9 shows welded parts 2,4, whose connection was made in the course of development work.
  • a preparation of the two welding layers 1,1 '(A35, A36) was carried out with Medwraht electrodes according to the invention, but with different geometrical and procedural parameters. Clearly the image can be taken from a two-sided defect-free fusion weld joint become.
  • Fig. 10 shows the cross-section of a cored wire with a lap-sheath.
  • Fig. 11 illustrates a flux cored wire with a substantially end-to-end shock of the sheath.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Powder Metallurgy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP05743375A 2004-05-27 2005-05-25 Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung Expired - Lifetime EP1748865B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05743375T PL1748865T3 (pl) 2004-05-27 2005-05-25 Materiał dodatkowy do spoin i sposób jego wytwarzania
AT05743375T ATE435716T1 (de) 2004-05-27 2005-05-25 Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0092704A AT500494B1 (de) 2004-05-27 2004-05-27 Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung
PCT/AT2005/000182 WO2005115680A1 (de) 2004-05-27 2005-05-25 Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung

Publications (2)

Publication Number Publication Date
EP1748865A1 EP1748865A1 (de) 2007-02-07
EP1748865B1 true EP1748865B1 (de) 2009-07-08

Family

ID=34967933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05743375A Expired - Lifetime EP1748865B1 (de) 2004-05-27 2005-05-25 Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung

Country Status (8)

Country Link
US (1) US8704136B2 (pl)
EP (1) EP1748865B1 (pl)
JP (1) JP2008500186A (pl)
AT (2) AT500494B1 (pl)
DE (1) DE502005007660D1 (pl)
ES (1) ES2330236T3 (pl)
PL (1) PL1748865T3 (pl)
WO (1) WO2005115680A1 (pl)

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AT500494B1 (de) 2004-05-27 2006-12-15 Boehler Schweisstechnik Zusatzwerkstoff für fügeverbindungen und verfahren zu dessen herstellung
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Also Published As

Publication number Publication date
PL1748865T3 (pl) 2009-12-31
ES2330236T3 (es) 2009-12-07
JP2008500186A (ja) 2008-01-10
DE502005007660D1 (de) 2009-08-20
EP1748865A1 (de) 2007-02-07
ATE435716T1 (de) 2009-07-15
AT500494A1 (de) 2006-01-15
US20080014458A1 (en) 2008-01-17
AT500494B1 (de) 2006-12-15
WO2005115680A1 (de) 2005-12-08
US8704136B2 (en) 2014-04-22

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